diff --git a/test/built-ins/RegExp/property-escapes/generated/ASCII.js b/test/built-ins/RegExp/property-escapes/generated/ASCII.js
index 9dda525585..d8c46b79b4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/ASCII.js
+++ b/test/built-ins/RegExp/property-escapes/generated/ASCII.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `ASCII`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/ASCII_Hex_Digit.js b/test/built-ins/RegExp/property-escapes/generated/ASCII_Hex_Digit.js
index 804e3dce30..d26ad173c9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/ASCII_Hex_Digit.js
+++ b/test/built-ins/RegExp/property-escapes/generated/ASCII_Hex_Digit.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `ASCII_Hex_Digit`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Alphabetic.js b/test/built-ins/RegExp/property-escapes/generated/Alphabetic.js
index c336632cb1..26773f7d14 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Alphabetic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Alphabetic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Alphabetic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -46,23 +46,19 @@ const matchSymbols = buildString({
     0x000DD6,
     0x000E4D,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6,
     0x000ECD,
     0x000F00,
     0x001038,
-    0x00108E,
     0x0010C7,
     0x0010CD,
     0x001258,
     0x0012C0,
-    0x00135F,
     0x0017D7,
     0x0017DC,
     0x001AA7,
+    0x001CFA,
     0x001F59,
     0x001F5B,
     0x001F5D,
@@ -83,7 +79,6 @@ const matchSymbols = buildString({
     0x00A8C5,
     0x00A8FB,
     0x00A9CF,
-    0x00AA7A,
     0x00AAC0,
     0x00AAC2,
     0x00FB3E,
@@ -98,20 +93,26 @@ const matchSymbols = buildString({
     0x011288,
     0x011350,
     0x011357,
+    0x01145F,
     0x0114C7,
     0x011640,
     0x011644,
+    0x0116B8,
     0x0118FF,
+    0x0119E1,
     0x011A9D,
     0x011C40,
     0x011D3A,
     0x011D43,
     0x011D98,
+    0x016FE3,
     0x01BC9E,
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E14E,
     0x01E947,
+    0x01E94B,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -282,12 +283,9 @@ const matchSymbols = buildString({
     [0x000E01, 0x000E3A],
     [0x000E40, 0x000E46],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EB9],
     [0x000EBB, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EDC, 0x000EDF],
@@ -298,10 +296,8 @@ const matchSymbols = buildString({
     [0x000F99, 0x000FBC],
     [0x001000, 0x001036],
     [0x00103B, 0x00103F],
-    [0x001050, 0x001062],
-    [0x001065, 0x001068],
-    [0x00106E, 0x001086],
-    [0x00109C, 0x00109D],
+    [0x001050, 0x00108F],
+    [0x00109A, 0x00109D],
     [0x0010A0, 0x0010C5],
     [0x0010D0, 0x0010FA],
     [0x0010FC, 0x001248],
@@ -355,7 +351,7 @@ const matchSymbols = buildString({
     [0x001BAC, 0x001BAF],
     [0x001BBA, 0x001BE5],
     [0x001BE7, 0x001BF1],
-    [0x001C00, 0x001C35],
+    [0x001C00, 0x001C36],
     [0x001C4D, 0x001C4F],
     [0x001C5A, 0x001C7D],
     [0x001C80, 0x001C88],
@@ -431,27 +427,25 @@ const matchSymbols = buildString({
     [0x00A67F, 0x00A6EF],
     [0x00A717, 0x00A71F],
     [0x00A722, 0x00A788],
-    [0x00A78B, 0x00A7B9],
-    [0x00A7F7, 0x00A801],
-    [0x00A803, 0x00A805],
-    [0x00A807, 0x00A80A],
-    [0x00A80C, 0x00A827],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
+    [0x00A7F7, 0x00A805],
+    [0x00A807, 0x00A827],
     [0x00A840, 0x00A873],
     [0x00A880, 0x00A8C3],
     [0x00A8F2, 0x00A8F7],
-    [0x00A8FD, 0x00A8FE],
+    [0x00A8FD, 0x00A8FF],
     [0x00A90A, 0x00A92A],
     [0x00A930, 0x00A952],
     [0x00A960, 0x00A97C],
     [0x00A980, 0x00A9B2],
     [0x00A9B4, 0x00A9BF],
-    [0x00A9E0, 0x00A9E4],
-    [0x00A9E6, 0x00A9EF],
+    [0x00A9E0, 0x00A9EF],
     [0x00A9FA, 0x00A9FE],
     [0x00AA00, 0x00AA36],
     [0x00AA40, 0x00AA4D],
     [0x00AA60, 0x00AA76],
-    [0x00AA7E, 0x00AABE],
+    [0x00AA7A, 0x00AABE],
     [0x00AADB, 0x00AADD],
     [0x00AAE0, 0x00AAEF],
     [0x00AAF2, 0x00AAF5],
@@ -461,7 +455,7 @@ const matchSymbols = buildString({
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABEA],
     [0x00AC00, 0x00D7A3],
     [0x00D7B0, 0x00D7C6],
@@ -545,6 +539,7 @@ const matchSymbols = buildString({
     [0x010D00, 0x010D27],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F45],
+    [0x010FE0, 0x010FF6],
     [0x011000, 0x011045],
     [0x011082, 0x0110B8],
     [0x0110D0, 0x0110E8],
@@ -585,10 +580,13 @@ const matchSymbols = buildString({
     [0x01171D, 0x01172A],
     [0x011800, 0x011838],
     [0x0118A0, 0x0118DF],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119DF],
+    [0x0119E3, 0x0119E4],
     [0x011A00, 0x011A32],
     [0x011A35, 0x011A3E],
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011A97],
+    [0x011A50, 0x011A97],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C36],
@@ -616,18 +614,20 @@ const matchSymbols = buildString({
     [0x016800, 0x016A38],
     [0x016A40, 0x016A5E],
     [0x016AD0, 0x016AED],
-    [0x016B00, 0x016B36],
+    [0x016B00, 0x016B2F],
     [0x016B40, 0x016B43],
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E7F],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
-    [0x016F93, 0x016F9F],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
+    [0x016F8F, 0x016F9F],
     [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -665,6 +665,9 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E100, 0x01E12C],
+    [0x01E137, 0x01E13D],
+    [0x01E2C0, 0x01E2EB],
     [0x01E800, 0x01E8C4],
     [0x01E900, 0x01E943],
     [0x01EE00, 0x01EE03],
@@ -784,12 +787,10 @@ const nonMatchSymbols = buildString({
     0x000DD5,
     0x000DD7,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
     0x000EBA,
     0x000EC5,
     0x000F48,
@@ -843,13 +844,10 @@ const nonMatchSymbols = buildString({
     0x0030A0,
     0x0030FB,
     0x003130,
-    0x00A802,
     0x00A806,
-    0x00A80B,
     0x00A8C4,
     0x00A8FC,
     0x00A9B3,
-    0x00A9E5,
     0x00A9FF,
     0x00AABF,
     0x00AAC1,
@@ -890,6 +888,8 @@ const nonMatchSymbols = buildString({
     0x011446,
     0x0114C6,
     0x01163F,
+    0x0119E0,
+    0x0119E2,
     0x011C09,
     0x011C37,
     0x011C3F,
@@ -904,6 +904,7 @@ const nonMatchSymbols = buildString({
     0x011D8F,
     0x011D92,
     0x011D97,
+    0x016FE2,
     0x01D455,
     0x01D49D,
     0x01D4AD,
@@ -1066,10 +1067,6 @@ const nonMatchSymbols = buildString({
     [0x000E3B, 0x000E3F],
     [0x000E47, 0x000E4C],
     [0x000E4E, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000EC7, 0x000ECC],
     [0x000ECE, 0x000EDB],
@@ -1080,10 +1077,7 @@ const nonMatchSymbols = buildString({
     [0x000FBD, 0x000FFF],
     [0x001039, 0x00103A],
     [0x001040, 0x00104F],
-    [0x001063, 0x001064],
-    [0x001069, 0x00106D],
-    [0x001087, 0x00108D],
-    [0x00108F, 0x00109B],
+    [0x001090, 0x001099],
     [0x00109E, 0x00109F],
     [0x0010C8, 0x0010CC],
     [0x0010CE, 0x0010CF],
@@ -1093,8 +1087,7 @@ const nonMatchSymbols = buildString({
     [0x0012B6, 0x0012B7],
     [0x0012C6, 0x0012C7],
     [0x001316, 0x001317],
-    [0x00135B, 0x00135E],
-    [0x001360, 0x00137F],
+    [0x00135B, 0x00137F],
     [0x001390, 0x00139F],
     [0x0013F6, 0x0013F7],
     [0x0013FE, 0x001400],
@@ -1127,13 +1120,14 @@ const nonMatchSymbols = buildString({
     [0x001BAA, 0x001BAB],
     [0x001BB0, 0x001BB9],
     [0x001BF2, 0x001BFF],
-    [0x001C36, 0x001C4C],
+    [0x001C37, 0x001C4C],
     [0x001C50, 0x001C59],
     [0x001C7E, 0x001C7F],
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001CE8],
-    [0x001CF7, 0x001CFF],
+    [0x001CF7, 0x001CF9],
+    [0x001CFB, 0x001CFF],
     [0x001DC0, 0x001DE6],
     [0x001DF5, 0x001DFF],
     [0x001F16, 0x001F17],
@@ -1191,12 +1185,13 @@ const nonMatchSymbols = buildString({
     [0x00A6F0, 0x00A716],
     [0x00A720, 0x00A721],
     [0x00A789, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A828, 0x00A83F],
     [0x00A874, 0x00A87F],
     [0x00A8C6, 0x00A8F1],
     [0x00A8F8, 0x00A8FA],
-    [0x00A8FF, 0x00A909],
+    [0x00A900, 0x00A909],
     [0x00A92B, 0x00A92F],
     [0x00A953, 0x00A95F],
     [0x00A97D, 0x00A97F],
@@ -1206,7 +1201,6 @@ const nonMatchSymbols = buildString({
     [0x00AA37, 0x00AA3F],
     [0x00AA4E, 0x00AA5F],
     [0x00AA77, 0x00AA79],
-    [0x00AA7B, 0x00AA7D],
     [0x00AAC3, 0x00AADA],
     [0x00AADE, 0x00AADF],
     [0x00AAF0, 0x00AAF1],
@@ -1214,7 +1208,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABEB, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
     [0x00D7C7, 0x00D7CA],
@@ -1283,7 +1277,8 @@ const nonMatchSymbols = buildString({
     [0x010D28, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F46, 0x010FFF],
+    [0x010F46, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x011046, 0x011081],
     [0x0110B9, 0x0110CF],
     [0x0110E9, 0x0110FF],
@@ -1307,7 +1302,8 @@ const nonMatchSymbols = buildString({
     [0x011351, 0x011356],
     [0x011358, 0x01135C],
     [0x011364, 0x0113FF],
-    [0x01144B, 0x01147F],
+    [0x01144B, 0x01145E],
+    [0x011460, 0x01147F],
     [0x0114C2, 0x0114C3],
     [0x0114C8, 0x01157F],
     [0x0115B6, 0x0115B7],
@@ -1315,15 +1311,18 @@ const nonMatchSymbols = buildString({
     [0x0115DE, 0x0115FF],
     [0x011641, 0x011643],
     [0x011645, 0x01167F],
-    [0x0116B6, 0x0116FF],
+    [0x0116B6, 0x0116B7],
+    [0x0116B9, 0x0116FF],
     [0x01171B, 0x01171C],
     [0x01172B, 0x0117FF],
     [0x011839, 0x01189F],
     [0x0118E0, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x0119FF],
     [0x011A33, 0x011A34],
     [0x011A3F, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011A98, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -1343,18 +1342,20 @@ const nonMatchSymbols = buildString({
     [0x016A39, 0x016A3F],
     [0x016A5F, 0x016ACF],
     [0x016AEE, 0x016AFF],
-    [0x016B37, 0x016B3F],
+    [0x016B30, 0x016B3F],
     [0x016B44, 0x016B62],
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E80, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F92],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1369,10 +1370,15 @@ const nonMatchSymbols = buildString({
     [0x01D6A6, 0x01D6A7],
     [0x01D7CC, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E7FF],
+    [0x01E02B, 0x01E0FF],
+    [0x01E12D, 0x01E136],
+    [0x01E13E, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2EC, 0x01E7FF],
     [0x01E8C5, 0x01E8FF],
     [0x01E944, 0x01E946],
-    [0x01E948, 0x01EDFF],
+    [0x01E948, 0x01E94A],
+    [0x01E94C, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Any.js b/test/built-ins/RegExp/property-escapes/generated/Any.js
index 94a733b65a..8dfd3309e4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Any.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Any.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Any`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Assigned.js b/test/built-ins/RegExp/property-escapes/generated/Assigned.js
index c5608af018..f0d66e90d4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Assigned.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Assigned.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Assigned`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -31,10 +31,7 @@ const matchSymbols = buildString({
     0x000DCA,
     0x000DD6,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6,
     0x0010C7,
     0x0010CD,
@@ -63,6 +60,7 @@ const matchSymbols = buildString({
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E2FF,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -79,7 +77,6 @@ const matchSymbols = buildString({
     0x01EE5F,
     0x01EE64,
     0x01EE7E,
-    0x01F97A,
     0x0E0001
   ],
   ranges: [
@@ -182,7 +179,7 @@ const matchSymbols = buildString({
     [0x000C58, 0x000C5A],
     [0x000C60, 0x000C63],
     [0x000C66, 0x000C6F],
-    [0x000C78, 0x000C8C],
+    [0x000C77, 0x000C8C],
     [0x000C8E, 0x000C90],
     [0x000C92, 0x000CA8],
     [0x000CAA, 0x000CB3],
@@ -214,13 +211,9 @@ const matchSymbols = buildString({
     [0x000E01, 0x000E3A],
     [0x000E3F, 0x000E5B],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -290,7 +283,7 @@ const matchSymbols = buildString({
     [0x001C4D, 0x001C88],
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CC7],
-    [0x001CD0, 0x001CF9],
+    [0x001CD0, 0x001CFA],
     [0x001D00, 0x001DF9],
     [0x001DFB, 0x001F15],
     [0x001F18, 0x001F1D],
@@ -316,9 +309,7 @@ const matchSymbols = buildString({
     [0x002440, 0x00244A],
     [0x002460, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
-    [0x002C00, 0x002C2E],
+    [0x002B98, 0x002C2E],
     [0x002C30, 0x002C5E],
     [0x002C60, 0x002CF3],
     [0x002CF9, 0x002D25],
@@ -333,7 +324,7 @@ const matchSymbols = buildString({
     [0x002DC8, 0x002DCE],
     [0x002DD0, 0x002DD6],
     [0x002DD8, 0x002DDE],
-    [0x002DE0, 0x002E4E],
+    [0x002DE0, 0x002E4F],
     [0x002E80, 0x002E99],
     [0x002E9B, 0x002EF3],
     [0x002F00, 0x002FD5],
@@ -353,7 +344,8 @@ const matchSymbols = buildString({
     [0x00A490, 0x00A4C6],
     [0x00A4D0, 0x00A62B],
     [0x00A640, 0x00A6F7],
-    [0x00A700, 0x00A7B9],
+    [0x00A700, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A82B],
     [0x00A830, 0x00A839],
     [0x00A840, 0x00A877],
@@ -374,7 +366,7 @@ const matchSymbols = buildString({
     [0x00AB11, 0x00AB16],
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
-    [0x00AB30, 0x00AB65],
+    [0x00AB30, 0x00AB67],
     [0x00AB70, 0x00ABED],
     [0x00ABF0, 0x00ABF9],
     [0x00AC00, 0x00D7A3],
@@ -475,6 +467,7 @@ const matchSymbols = buildString({
     [0x010E60, 0x010E7E],
     [0x010F00, 0x010F27],
     [0x010F30, 0x010F59],
+    [0x010FE0, 0x010FF6],
     [0x011000, 0x01104D],
     [0x011052, 0x01106F],
     [0x01107F, 0x0110C1],
@@ -508,7 +501,7 @@ const matchSymbols = buildString({
     [0x011366, 0x01136C],
     [0x011370, 0x011374],
     [0x011400, 0x011459],
-    [0x01145D, 0x01145E],
+    [0x01145D, 0x01145F],
     [0x011480, 0x0114C7],
     [0x0114D0, 0x0114D9],
     [0x011580, 0x0115B5],
@@ -516,16 +509,18 @@ const matchSymbols = buildString({
     [0x011600, 0x011644],
     [0x011650, 0x011659],
     [0x011660, 0x01166C],
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9],
     [0x011700, 0x01171A],
     [0x01171D, 0x01172B],
     [0x011730, 0x01173F],
     [0x011800, 0x01183B],
     [0x0118A0, 0x0118F2],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E4],
     [0x011A00, 0x011A47],
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011AA2],
+    [0x011A50, 0x011AA2],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C36],
@@ -547,11 +542,13 @@ const matchSymbols = buildString({
     [0x011D93, 0x011D98],
     [0x011DA0, 0x011DA9],
     [0x011EE0, 0x011EF8],
-    [0x012000, 0x012399],
+    [0x011FC0, 0x011FF1],
+    [0x011FFF, 0x012399],
     [0x012400, 0x01246E],
     [0x012470, 0x012474],
     [0x012480, 0x012543],
     [0x013000, 0x01342E],
+    [0x013430, 0x013438],
     [0x014400, 0x014646],
     [0x016800, 0x016A38],
     [0x016A40, 0x016A5E],
@@ -565,13 +562,15 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E9A],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F],
-    [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x016FE0, 0x016FE3],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -610,12 +609,18 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E14E, 0x01E14F],
+    [0x01E2C0, 0x01E2F9],
     [0x01E800, 0x01E8C4],
     [0x01E8C7, 0x01E8D6],
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01E95E, 0x01E95F],
     [0x01EC71, 0x01ECB4],
+    [0x01ED01, 0x01ED3D],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
     [0x01EE21, 0x01EE22],
@@ -641,32 +646,36 @@ const matchSymbols = buildString({
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
     [0x01F100, 0x01F10C],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
     [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95],
     [0x020000, 0x02A6D6],
     [0x02A700, 0x02B734],
     [0x02B740, 0x02B81D],
@@ -752,13 +761,10 @@ const nonMatchSymbols = buildString({
     0x000DD5,
     0x000DD7,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7,
     0x000F48,
@@ -793,8 +799,6 @@ const nonMatchSymbols = buildString({
     0x001FFF,
     0x002065,
     0x00208F,
-    0x002BC9,
-    0x002BFF,
     0x002C2F,
     0x002C5F,
     0x002D26,
@@ -865,6 +869,7 @@ const nonMatchSymbols = buildString({
     0x011D8F,
     0x011D92,
     0x01246F,
+    0x01342F,
     0x016A5F,
     0x016B5A,
     0x016B62,
@@ -913,8 +918,8 @@ const nonMatchSymbols = buildString({
     0x01EEAA,
     0x01F0C0,
     0x01F0D0,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x000378, 0x000379],
@@ -979,7 +984,7 @@ const nonMatchSymbols = buildString({
     [0x000C4E, 0x000C54],
     [0x000C5B, 0x000C5F],
     [0x000C64, 0x000C65],
-    [0x000C70, 0x000C77],
+    [0x000C70, 0x000C76],
     [0x000CBA, 0x000CBB],
     [0x000CCE, 0x000CD4],
     [0x000CD7, 0x000CDD],
@@ -997,10 +1002,6 @@ const nonMatchSymbols = buildString({
     [0x000DF5, 0x000E00],
     [0x000E3B, 0x000E3E],
     [0x000E5C, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
@@ -1055,7 +1056,7 @@ const nonMatchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC8, 0x001CCF],
-    [0x001CFA, 0x001CFF],
+    [0x001CFB, 0x001CFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
     [0x001F46, 0x001F47],
@@ -1078,7 +1079,7 @@ const nonMatchSymbols = buildString({
     [0x002D68, 0x002D6E],
     [0x002D71, 0x002D7E],
     [0x002D97, 0x002D9F],
-    [0x002E4F, 0x002E7F],
+    [0x002E50, 0x002E7F],
     [0x002EF4, 0x002EFF],
     [0x002FD6, 0x002FEF],
     [0x002FFC, 0x002FFF],
@@ -1092,7 +1093,8 @@ const nonMatchSymbols = buildString({
     [0x00A4C7, 0x00A4CF],
     [0x00A62C, 0x00A63F],
     [0x00A6F8, 0x00A6FF],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A82C, 0x00A82F],
     [0x00A83A, 0x00A83F],
     [0x00A878, 0x00A87F],
@@ -1109,7 +1111,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABEE, 0x00ABEF],
     [0x00ABFA, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
@@ -1192,7 +1194,8 @@ const nonMatchSymbols = buildString({
     [0x010D3A, 0x010E5F],
     [0x010E7F, 0x010EFF],
     [0x010F28, 0x010F2F],
-    [0x010F5A, 0x010FFF],
+    [0x010F5A, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x01104E, 0x011051],
     [0x011070, 0x01107E],
     [0x0110C2, 0x0110CC],
@@ -1217,7 +1220,7 @@ const nonMatchSymbols = buildString({
     [0x011364, 0x011365],
     [0x01136D, 0x01136F],
     [0x011375, 0x0113FF],
-    [0x01145F, 0x01147F],
+    [0x011460, 0x01147F],
     [0x0114C8, 0x0114CF],
     [0x0114DA, 0x01157F],
     [0x0115B6, 0x0115B7],
@@ -1225,16 +1228,18 @@ const nonMatchSymbols = buildString({
     [0x011645, 0x01164F],
     [0x01165A, 0x01165F],
     [0x01166D, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x0116FF],
     [0x01171B, 0x01171C],
     [0x01172C, 0x01172F],
     [0x011740, 0x0117FF],
     [0x01183C, 0x01189F],
     [0x0118F3, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x0119FF],
     [0x011A48, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011AA3, 0x011ABF],
     [0x011AF9, 0x011BFF],
     [0x011C46, 0x011C4F],
@@ -1246,11 +1251,12 @@ const nonMatchSymbols = buildString({
     [0x011D5A, 0x011D5F],
     [0x011D99, 0x011D9F],
     [0x011DAA, 0x011EDF],
-    [0x011EF9, 0x011FFF],
+    [0x011EF9, 0x011FBF],
+    [0x011FF2, 0x011FFE],
     [0x01239A, 0x0123FF],
     [0x012475, 0x01247F],
     [0x012544, 0x012FFF],
-    [0x01342F, 0x0143FF],
+    [0x013439, 0x0143FF],
     [0x014647, 0x0167FF],
     [0x016A39, 0x016A3F],
     [0x016A6A, 0x016A6D],
@@ -1261,13 +1267,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E9B, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1291,13 +1299,20 @@ const nonMatchSymbols = buildString({
     [0x01DA8C, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E7FF],
+    [0x01E02B, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E150, 0x01E2BF],
+    [0x01E2FA, 0x01E2FE],
+    [0x01E300, 0x01E7FF],
     [0x01E8C5, 0x01E8C6],
     [0x01E8D7, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01E95D],
     [0x01E960, 0x01EC70],
-    [0x01ECB5, 0x01EDFF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
@@ -1311,31 +1326,34 @@ const nonMatchSymbols = buildString({
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F0FF],
     [0x01F10D, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F24F],
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x01FFFF],
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x01FFFF],
     [0x02A6D7, 0x02A6FF],
     [0x02B735, 0x02B73F],
     [0x02B81E, 0x02B81F],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Bidi_Control.js b/test/built-ins/RegExp/property-escapes/generated/Bidi_Control.js
index 8c11833ef8..d7423dfd00 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Bidi_Control.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Bidi_Control.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Bidi_Control`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Bidi_Mirrored.js b/test/built-ins/RegExp/property-escapes/generated/Bidi_Mirrored.js
index 0b75a9be8b..159467100e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Bidi_Mirrored.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Bidi_Mirrored.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Bidi_Mirrored`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Case_Ignorable.js b/test/built-ins/RegExp/property-escapes/generated/Case_Ignorable.js
index 3de83c2346..05ff5fbc05 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Case_Ignorable.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Case_Ignorable.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Case_Ignorable`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -117,7 +117,6 @@ const matchSymbols = buildString({
     0x00A80B,
     0x00A8FF,
     0x00A9B3,
-    0x00A9BC,
     0x00A9CF,
     0x00AA43,
     0x00AA4C,
@@ -160,12 +159,15 @@ const matchSymbols = buildString({
     0x0116AB,
     0x0116AD,
     0x0116B7,
+    0x0119E0,
     0x011A47,
     0x011C3F,
     0x011D3A,
     0x011D47,
     0x011D95,
     0x011D97,
+    0x016F4F,
+    0x016FE3,
     0x01DA75,
     0x01DA84,
     0x0E0001
@@ -222,8 +224,7 @@ const matchSymbols = buildString({
     [0x000DD2, 0x000DD4],
     [0x000E34, 0x000E3A],
     [0x000E46, 0x000E4E],
-    [0x000EB4, 0x000EB9],
-    [0x000EBB, 0x000EBC],
+    [0x000EB4, 0x000EBC],
     [0x000EC8, 0x000ECD],
     [0x000F18, 0x000F19],
     [0x000F71, 0x000F7E],
@@ -310,6 +311,7 @@ const matchSymbols = buildString({
     [0x00A947, 0x00A951],
     [0x00A980, 0x00A982],
     [0x00A9B6, 0x00A9B9],
+    [0x00A9BC, 0x00A9BD],
     [0x00A9E5, 0x00A9E6],
     [0x00AA29, 0x00AA2E],
     [0x00AA31, 0x00AA32],
@@ -367,6 +369,8 @@ const matchSymbols = buildString({
     [0x011727, 0x01172B],
     [0x01182F, 0x011837],
     [0x011839, 0x01183A],
+    [0x0119D4, 0x0119D7],
+    [0x0119DA, 0x0119DB],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A38],
     [0x011A3B, 0x011A3E],
@@ -385,6 +389,7 @@ const matchSymbols = buildString({
     [0x011D3F, 0x011D45],
     [0x011D90, 0x011D91],
     [0x011EF3, 0x011EF4],
+    [0x013430, 0x013438],
     [0x016AF0, 0x016AF4],
     [0x016B30, 0x016B36],
     [0x016B40, 0x016B43],
@@ -406,8 +411,10 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E130, 0x01E13D],
+    [0x01E2EC, 0x01E2EF],
     [0x01E8D0, 0x01E8D6],
-    [0x01E944, 0x01E94A],
+    [0x01E944, 0x01E94B],
     [0x01F3FB, 0x01F3FF],
     [0x0E0020, 0x0E007F],
     [0x0E0100, 0x0E01EF]
@@ -443,7 +450,6 @@ const nonMatchSymbols = buildString({
     0x000B40,
     0x000C49,
     0x000DD5,
-    0x000EBA,
     0x000EC7,
     0x000F36,
     0x000F38,
@@ -494,6 +500,7 @@ const nonMatchSymbols = buildString({
     0x011D3E,
     0x011D46,
     0x011D96,
+    0x016FE2,
     0x01BC9F,
     0x01DAA0,
     0x01E007,
@@ -701,7 +708,7 @@ const nonMatchSymbols = buildString({
     [0x00A983, 0x00A9B2],
     [0x00A9B4, 0x00A9B5],
     [0x00A9BA, 0x00A9BB],
-    [0x00A9BD, 0x00A9CE],
+    [0x00A9BE, 0x00A9CE],
     [0x00A9D0, 0x00A9E4],
     [0x00A9E7, 0x00AA28],
     [0x00AA2F, 0x00AA30],
@@ -785,7 +792,10 @@ const nonMatchSymbols = buildString({
     [0x0116B8, 0x01171C],
     [0x011720, 0x011721],
     [0x01172C, 0x01182E],
-    [0x01183B, 0x011A00],
+    [0x01183B, 0x0119D3],
+    [0x0119D8, 0x0119D9],
+    [0x0119DC, 0x0119DF],
+    [0x0119E1, 0x011A00],
     [0x011A0B, 0x011A32],
     [0x011A39, 0x011A3A],
     [0x011A3F, 0x011A46],
@@ -800,12 +810,14 @@ const nonMatchSymbols = buildString({
     [0x011D48, 0x011D8F],
     [0x011D92, 0x011D94],
     [0x011D98, 0x011EF2],
-    [0x011EF5, 0x016AEF],
+    [0x011EF5, 0x01342F],
+    [0x013439, 0x016AEF],
     [0x016AF5, 0x016B2F],
     [0x016B37, 0x016B3F],
-    [0x016B44, 0x016F8E],
+    [0x016B44, 0x016F4E],
+    [0x016F50, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x01BC9C],
+    [0x016FE4, 0x01BC9C],
     [0x01BCA4, 0x01D166],
     [0x01D16A, 0x01D172],
     [0x01D183, 0x01D184],
@@ -818,9 +830,11 @@ const nonMatchSymbols = buildString({
     [0x01DA85, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E8CF],
+    [0x01E02B, 0x01E12F],
+    [0x01E13E, 0x01E2EB],
+    [0x01E2F0, 0x01E8CF],
     [0x01E8D7, 0x01E943],
-    [0x01E94B, 0x01F3FA],
+    [0x01E94C, 0x01F3FA],
     [0x01F400, 0x0E0000],
     [0x0E0002, 0x0E001F],
     [0x0E0080, 0x0E00FF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Cased.js b/test/built-ins/RegExp/property-escapes/generated/Cased.js
index 915f70d384..4fc54c7578 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Cased.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Cased.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Cased`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -109,10 +109,11 @@ const matchSymbols = buildString({
     [0x00A680, 0x00A69D],
     [0x00A722, 0x00A787],
     [0x00A78B, 0x00A78E],
-    [0x00A790, 0x00A7B9],
+    [0x00A790, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F8, 0x00A7FA],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -283,9 +284,10 @@ const nonMatchSymbols = buildString({
     [0x00A66E, 0x00A67F],
     [0x00A69E, 0x00A721],
     [0x00A788, 0x00A78A],
-    [0x00A7BA, 0x00A7F7],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F7],
     [0x00A7FB, 0x00AB2F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FB12],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casefolded.js b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casefolded.js
index bb338a6552..5c1acb1ab1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casefolded.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casefolded.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Changes_When_Casefolded`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -543,7 +543,11 @@ const matchSymbols = buildString({
     0x00A7A6,
     0x00A7A8,
     0x00A7B6,
-    0x00A7B8
+    0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
+    0x00A7C2
   ],
   ranges: [
     [0x000041, 0x00005A],
@@ -614,6 +618,7 @@ const matchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
+    [0x00A7C4, 0x00A7C6],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -1160,7 +1165,11 @@ const nonMatchSymbols = buildString({
     0x00A7A9,
     0x00A7AF,
     0x00A7B5,
-    0x00A7B7
+    0x00A7B7,
+    0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7C3
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -1239,7 +1248,8 @@ const nonMatchSymbols = buildString({
     [0x00A787, 0x00A78A],
     [0x00A78E, 0x00A78F],
     [0x00A793, 0x00A795],
-    [0x00A7B9, 0x00AB6F],
+    [0x00A7BF, 0x00A7C1],
+    [0x00A7C7, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FB12],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casemapped.js b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casemapped.js
index d77b4b8332..87496eb70c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casemapped.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Casemapped.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Changes_When_Casemapped`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -23,7 +23,6 @@ const matchSymbols = buildString({
     0x000275,
     0x00027D,
     0x000280,
-    0x000283,
     0x000292,
     0x000345,
     0x00037F,
@@ -33,6 +32,7 @@ const matchSymbols = buildString({
     0x0010CD,
     0x001D79,
     0x001D7D,
+    0x001D8E,
     0x001E9E,
     0x001F59,
     0x001F5B,
@@ -65,6 +65,7 @@ const matchSymbols = buildString({
     [0x000265, 0x000266],
     [0x000268, 0x00026C],
     [0x000271, 0x000272],
+    [0x000282, 0x000283],
     [0x000287, 0x00028C],
     [0x00029D, 0x00029E],
     [0x000370, 0x000373],
@@ -122,9 +123,10 @@ const matchSymbols = buildString({
     [0x00A732, 0x00A76F],
     [0x00A779, 0x00A787],
     [0x00A78B, 0x00A78D],
-    [0x00A790, 0x00A793],
+    [0x00A790, 0x00A794],
     [0x00A796, 0x00A7AE],
-    [0x00A7B0, 0x00A7B9],
+    [0x00A7B0, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -167,6 +169,7 @@ const nonMatchSymbols = buildString({
     0x000264,
     0x000267,
     0x000270,
+    0x000281,
     0x00037E,
     0x000387,
     0x00038B,
@@ -190,6 +193,7 @@ const nonMatchSymbols = buildString({
     0x002C71,
     0x002C74,
     0x002D26,
+    0x00A795,
     0x00A7AF
   ],
   ranges: [
@@ -207,7 +211,6 @@ const nonMatchSymbols = buildString({
     [0x000273, 0x000274],
     [0x000276, 0x00027C],
     [0x00027E, 0x00027F],
-    [0x000281, 0x000282],
     [0x000284, 0x000286],
     [0x00028D, 0x000291],
     [0x000293, 0x00029C],
@@ -230,7 +233,8 @@ const nonMatchSymbols = buildString({
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001D78],
     [0x001D7A, 0x001D7C],
-    [0x001D7E, 0x001DFF],
+    [0x001D7E, 0x001D8D],
+    [0x001D8F, 0x001DFF],
     [0x001E9C, 0x001E9D],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
@@ -262,8 +266,8 @@ const nonMatchSymbols = buildString({
     [0x00A770, 0x00A778],
     [0x00A788, 0x00A78A],
     [0x00A78E, 0x00A78F],
-    [0x00A794, 0x00A795],
-    [0x00A7BA, 0x00AB52],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00AB52],
     [0x00AB54, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Lowercased.js b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Lowercased.js
index c234dbc6c7..a68718c1f7 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Lowercased.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Lowercased.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Changes_When_Lowercased`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -541,7 +541,11 @@ const matchSymbols = buildString({
     0x00A7A6,
     0x00A7A8,
     0x00A7B6,
-    0x00A7B8
+    0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
+    0x00A7C2
   ],
   ranges: [
     [0x000041, 0x00005A],
@@ -604,6 +608,7 @@ const matchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
+    [0x00A7C4, 0x00A7C6],
     [0x00FF21, 0x00FF3A],
     [0x010400, 0x010427],
     [0x0104B0, 0x0104D3],
@@ -1141,7 +1146,11 @@ const nonMatchSymbols = buildString({
     0x00A7A9,
     0x00A7AF,
     0x00A7B5,
-    0x00A7B7
+    0x00A7B7,
+    0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7C3
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -1216,7 +1225,8 @@ const nonMatchSymbols = buildString({
     [0x00A787, 0x00A78A],
     [0x00A78E, 0x00A78F],
     [0x00A793, 0x00A795],
-    [0x00A7B9, 0x00DBFF],
+    [0x00A7BF, 0x00A7C1],
+    [0x00A7C7, 0x00DBFF],
     [0x00E000, 0x00FF20],
     [0x00FF3B, 0x0103FF],
     [0x010428, 0x0104AF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Changes_When_NFKC_Casefolded.js b/test/built-ins/RegExp/property-escapes/generated/Changes_When_NFKC_Casefolded.js
index 38ac4c7214..fdb0ab124d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Changes_When_NFKC_Casefolded.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Changes_When_NFKC_Casefolded.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Changes_When_NFKC_Casefolded`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -593,6 +593,10 @@ const matchSymbols = buildString({
     0x00A7A8,
     0x00A7B6,
     0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
+    0x00A7C2,
     0x00FA10,
     0x00FA12,
     0x00FA20,
@@ -747,6 +751,7 @@ const matchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
+    [0x00A7C4, 0x00A7C6],
     [0x00A7F8, 0x00A7F9],
     [0x00AB5C, 0x00AB5F],
     [0x00AB70, 0x00ABBF],
@@ -829,7 +834,7 @@ const matchSymbols = buildString({
     [0x01F100, 0x01F10A],
     [0x01F110, 0x01F12E],
     [0x01F130, 0x01F14F],
-    [0x01F16A, 0x01F16B],
+    [0x01F16A, 0x01F16C],
     [0x01F200, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
@@ -1408,6 +1413,10 @@ const nonMatchSymbols = buildString({
     0x00A7AF,
     0x00A7B5,
     0x00A7B7,
+    0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7C3,
     0x00FA11,
     0x00FA1F,
     0x00FA21,
@@ -1612,7 +1621,8 @@ const nonMatchSymbols = buildString({
     [0x00A787, 0x00A78A],
     [0x00A78E, 0x00A78F],
     [0x00A793, 0x00A795],
-    [0x00A7B9, 0x00A7F7],
+    [0x00A7BF, 0x00A7C1],
+    [0x00A7C7, 0x00A7F7],
     [0x00A7FA, 0x00AB5B],
     [0x00AB60, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
@@ -1667,7 +1677,7 @@ const nonMatchSymbols = buildString({
     [0x01EEBC, 0x01F0FF],
     [0x01F10B, 0x01F10F],
     [0x01F150, 0x01F169],
-    [0x01F16C, 0x01F18F],
+    [0x01F16D, 0x01F18F],
     [0x01F191, 0x01F1FF],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Titlecased.js b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Titlecased.js
index 8a282ebfd1..3791983a7a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Titlecased.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Titlecased.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Changes_When_Titlecased`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -154,7 +154,6 @@ const matchSymbols = buildString({
     0x000275,
     0x00027D,
     0x000280,
-    0x000283,
     0x000292,
     0x000345,
     0x000371,
@@ -275,6 +274,7 @@ const matchSymbols = buildString({
     0x00052F,
     0x001D79,
     0x001D7D,
+    0x001D8E,
     0x001E01,
     0x001E03,
     0x001E05,
@@ -544,7 +544,6 @@ const matchSymbols = buildString({
     0x00A787,
     0x00A78C,
     0x00A791,
-    0x00A793,
     0x00A797,
     0x00A799,
     0x00A79B,
@@ -558,6 +557,10 @@ const matchSymbols = buildString({
     0x00A7B5,
     0x00A7B7,
     0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7BF,
+    0x00A7C3,
     0x00AB53
   ],
   ranges: [
@@ -579,6 +582,7 @@ const matchSymbols = buildString({
     [0x000265, 0x000266],
     [0x000268, 0x00026C],
     [0x000271, 0x000272],
+    [0x000282, 0x000283],
     [0x000287, 0x00028C],
     [0x00029D, 0x00029E],
     [0x00037B, 0x00037D],
@@ -617,6 +621,7 @@ const matchSymbols = buildString({
     [0x002C30, 0x002C5E],
     [0x002C65, 0x002C66],
     [0x002D00, 0x002D25],
+    [0x00A793, 0x00A794],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -769,6 +774,7 @@ const nonMatchSymbols = buildString({
     0x000264,
     0x000267,
     0x000270,
+    0x000281,
     0x000372,
     0x0003CF,
     0x0003D8,
@@ -1146,7 +1152,10 @@ const nonMatchSymbols = buildString({
     0x00A7A6,
     0x00A7A8,
     0x00A7B6,
-    0x00A7B8
+    0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -1180,7 +1189,6 @@ const nonMatchSymbols = buildString({
     [0x000273, 0x000274],
     [0x000276, 0x00027C],
     [0x00027E, 0x00027F],
-    [0x000281, 0x000282],
     [0x000284, 0x000286],
     [0x00028D, 0x000291],
     [0x000293, 0x00029C],
@@ -1201,7 +1209,8 @@ const nonMatchSymbols = buildString({
     [0x0013FE, 0x001C7F],
     [0x001C89, 0x001D78],
     [0x001D7A, 0x001D7C],
-    [0x001D7E, 0x001E00],
+    [0x001D7E, 0x001D8D],
+    [0x001D8F, 0x001E00],
     [0x001E9C, 0x001EA0],
     [0x001F08, 0x001F0F],
     [0x001F16, 0x001F1F],
@@ -1242,9 +1251,10 @@ const nonMatchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A788, 0x00A78B],
     [0x00A78D, 0x00A790],
-    [0x00A794, 0x00A796],
+    [0x00A795, 0x00A796],
     [0x00A7AA, 0x00A7B4],
-    [0x00A7BA, 0x00AB52],
+    [0x00A7C0, 0x00A7C2],
+    [0x00A7C4, 0x00AB52],
     [0x00AB54, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Uppercased.js b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Uppercased.js
index 0d0692634e..9765985884 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Changes_When_Uppercased.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Changes_When_Uppercased.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Changes_When_Uppercased`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -151,7 +151,6 @@ const matchSymbols = buildString({
     0x000275,
     0x00027D,
     0x000280,
-    0x000283,
     0x000292,
     0x000345,
     0x000371,
@@ -272,6 +271,7 @@ const matchSymbols = buildString({
     0x00052F,
     0x001D79,
     0x001D7D,
+    0x001D8E,
     0x001E01,
     0x001E03,
     0x001E05,
@@ -544,7 +544,6 @@ const matchSymbols = buildString({
     0x00A787,
     0x00A78C,
     0x00A791,
-    0x00A793,
     0x00A797,
     0x00A799,
     0x00A79B,
@@ -558,6 +557,10 @@ const matchSymbols = buildString({
     0x00A7B5,
     0x00A7B7,
     0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7BF,
+    0x00A7C3,
     0x00AB53
   ],
   ranges: [
@@ -581,6 +584,7 @@ const matchSymbols = buildString({
     [0x000265, 0x000266],
     [0x000268, 0x00026C],
     [0x000271, 0x000272],
+    [0x000282, 0x000283],
     [0x000287, 0x00028C],
     [0x00029D, 0x00029E],
     [0x00037B, 0x00037D],
@@ -618,6 +622,7 @@ const matchSymbols = buildString({
     [0x002C30, 0x002C5E],
     [0x002C65, 0x002C66],
     [0x002D00, 0x002D25],
+    [0x00A793, 0x00A794],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -769,6 +774,7 @@ const nonMatchSymbols = buildString({
     0x000264,
     0x000267,
     0x000270,
+    0x000281,
     0x000372,
     0x0003CF,
     0x0003D8,
@@ -1147,7 +1153,10 @@ const nonMatchSymbols = buildString({
     0x00A7A6,
     0x00A7A8,
     0x00A7B6,
-    0x00A7B8
+    0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -1181,7 +1190,6 @@ const nonMatchSymbols = buildString({
     [0x000273, 0x000274],
     [0x000276, 0x00027C],
     [0x00027E, 0x00027F],
-    [0x000281, 0x000282],
     [0x000284, 0x000286],
     [0x00028D, 0x000291],
     [0x000293, 0x00029C],
@@ -1204,7 +1212,8 @@ const nonMatchSymbols = buildString({
     [0x0013FE, 0x001C7F],
     [0x001C89, 0x001D78],
     [0x001D7A, 0x001D7C],
-    [0x001D7E, 0x001E00],
+    [0x001D7E, 0x001D8D],
+    [0x001D8F, 0x001E00],
     [0x001E9C, 0x001EA0],
     [0x001F08, 0x001F0F],
     [0x001F16, 0x001F1F],
@@ -1244,9 +1253,10 @@ const nonMatchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A788, 0x00A78B],
     [0x00A78D, 0x00A790],
-    [0x00A794, 0x00A796],
+    [0x00A795, 0x00A796],
     [0x00A7AA, 0x00A7B4],
-    [0x00A7BA, 0x00AB52],
+    [0x00A7C0, 0x00A7C2],
+    [0x00A7C4, 0x00AB52],
     [0x00AB54, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Dash.js b/test/built-ins/RegExp/property-escapes/generated/Dash.js
index 1524e6240c..29c36f8a48 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Dash.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Dash.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Dash`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Default_Ignorable_Code_Point.js b/test/built-ins/RegExp/property-escapes/generated/Default_Ignorable_Code_Point.js
index b1892dd676..7d0dd5faca 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Default_Ignorable_Code_Point.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Default_Ignorable_Code_Point.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Default_Ignorable_Code_Point`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Deprecated.js b/test/built-ins/RegExp/property-escapes/generated/Deprecated.js
index 485a6ceded..5f3ea07081 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Deprecated.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Deprecated.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Deprecated`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Diacritic.js b/test/built-ins/RegExp/property-escapes/generated/Diacritic.js
index ff84869839..aa72f8628d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Diacritic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Diacritic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Diacritic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -42,6 +42,7 @@ const matchSymbols = buildString({
     0x000D4D,
     0x000DCA,
     0x000E4E,
+    0x000EBA,
     0x000F35,
     0x000F37,
     0x000F39,
@@ -59,7 +60,6 @@ const matchSymbols = buildString({
     0x0030FC,
     0x00A66F,
     0x00A67F,
-    0x00A788,
     0x00A8C4,
     0x00A953,
     0x00A9B3,
@@ -80,6 +80,7 @@ const matchSymbols = buildString({
     0x011446,
     0x01163F,
     0x01172B,
+    0x0119E0,
     0x011A34,
     0x011A47,
     0x011A99,
@@ -118,8 +119,11 @@ const matchSymbols = buildString({
     [0x000F82, 0x000F84],
     [0x000F86, 0x000F87],
     [0x001039, 0x00103A],
+    [0x001063, 0x001064],
+    [0x001069, 0x00106D],
     [0x001087, 0x00108D],
     [0x00109A, 0x00109B],
+    [0x00135D, 0x00135F],
     [0x0017C9, 0x0017D3],
     [0x001939, 0x00193B],
     [0x001A75, 0x001A7C],
@@ -145,7 +149,8 @@ const matchSymbols = buildString({
     [0x00A67C, 0x00A67D],
     [0x00A69C, 0x00A69D],
     [0x00A6F0, 0x00A6F1],
-    [0x00A717, 0x00A721],
+    [0x00A700, 0x00A721],
+    [0x00A788, 0x00A78A],
     [0x00A7F8, 0x00A7F9],
     [0x00A8E0, 0x00A8F1],
     [0x00A92B, 0x00A92E],
@@ -171,12 +176,15 @@ const matchSymbols = buildString({
     [0x011839, 0x01183A],
     [0x011D44, 0x011D45],
     [0x016AF0, 0x016AF4],
+    [0x016B30, 0x016B36],
     [0x016F8F, 0x016F9F],
     [0x01D167, 0x01D169],
     [0x01D16D, 0x01D172],
     [0x01D17B, 0x01D182],
     [0x01D185, 0x01D18B],
     [0x01D1AA, 0x01D1AD],
+    [0x01E130, 0x01E136],
+    [0x01E2EC, 0x01E2EF],
     [0x01E8D0, 0x01E8D6],
     [0x01E944, 0x01E946],
     [0x01E948, 0x01E94A]
@@ -259,16 +267,20 @@ const nonMatchSymbols = buildString({
     [0x000D3D, 0x000D4C],
     [0x000D4E, 0x000DC9],
     [0x000DCB, 0x000E46],
-    [0x000E4F, 0x000EC7],
+    [0x000E4F, 0x000EB9],
+    [0x000EBB, 0x000EC7],
     [0x000ECD, 0x000F17],
     [0x000F1A, 0x000F34],
     [0x000F3A, 0x000F3D],
     [0x000F40, 0x000F81],
     [0x000F88, 0x000FC5],
     [0x000FC7, 0x001036],
-    [0x00103B, 0x001086],
+    [0x00103B, 0x001062],
+    [0x001065, 0x001068],
+    [0x00106E, 0x001086],
     [0x001090, 0x001099],
-    [0x00109C, 0x0017C8],
+    [0x00109C, 0x00135C],
+    [0x001360, 0x0017C8],
     [0x0017D4, 0x0017DC],
     [0x0017DE, 0x001938],
     [0x00193C, 0x001A74],
@@ -302,9 +314,9 @@ const nonMatchSymbols = buildString({
     [0x00A670, 0x00A67B],
     [0x00A680, 0x00A69B],
     [0x00A69E, 0x00A6EF],
-    [0x00A6F2, 0x00A716],
+    [0x00A6F2, 0x00A6FF],
     [0x00A722, 0x00A787],
-    [0x00A789, 0x00A7F7],
+    [0x00A78B, 0x00A7F7],
     [0x00A7FA, 0x00A8C3],
     [0x00A8C5, 0x00A8DF],
     [0x00A8F2, 0x00A92A],
@@ -347,20 +359,24 @@ const nonMatchSymbols = buildString({
     [0x011640, 0x0116B5],
     [0x0116B8, 0x01172A],
     [0x01172C, 0x011838],
-    [0x01183B, 0x011A33],
+    [0x01183B, 0x0119DF],
+    [0x0119E1, 0x011A33],
     [0x011A35, 0x011A46],
     [0x011A48, 0x011A98],
     [0x011A9A, 0x011C3E],
     [0x011C40, 0x011D41],
     [0x011D46, 0x011D96],
     [0x011D98, 0x016AEF],
-    [0x016AF5, 0x016F8E],
+    [0x016AF5, 0x016B2F],
+    [0x016B37, 0x016F8E],
     [0x016FA0, 0x01D166],
     [0x01D16A, 0x01D16C],
     [0x01D173, 0x01D17A],
     [0x01D183, 0x01D184],
     [0x01D18C, 0x01D1A9],
-    [0x01D1AE, 0x01E8CF],
+    [0x01D1AE, 0x01E12F],
+    [0x01E137, 0x01E2EB],
+    [0x01E2F0, 0x01E8CF],
     [0x01E8D7, 0x01E943],
     [0x01E94B, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Emoji.js b/test/built-ins/RegExp/property-escapes/generated/Emoji.js
index d47d486531..aa03746c12 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Emoji.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Emoji.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Emoji`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -81,9 +81,9 @@ const matchSymbols = buildString({
     0x01F5E8,
     0x01F5EF,
     0x01F5F3,
+    0x01F6D5,
     0x01F6E9,
-    0x01F6F0,
-    0x01F97A
+    0x01F6F0
   ],
   ranges: [
     [0x000030, 0x000039],
@@ -154,16 +154,20 @@ const matchSymbols = buildString({
     [0x01F6CB, 0x01F6D2],
     [0x01F6E0, 0x01F6E5],
     [0x01F6EB, 0x01F6EC],
-    [0x01F6F3, 0x01F6F9],
-    [0x01F910, 0x01F93A],
-    [0x01F93C, 0x01F93E],
-    [0x01F940, 0x01F945],
-    [0x01F947, 0x01F970],
+    [0x01F6F3, 0x01F6FA],
+    [0x01F7E0, 0x01F7EB],
+    [0x01F90D, 0x01F93A],
+    [0x01F93C, 0x01F945],
+    [0x01F947, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF]
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01F9FF],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95]
   ]
 });
 testPropertyEscapes(
@@ -198,9 +202,8 @@ const nonMatchSymbols = buildString({
     0x01F5E2,
     0x01F6EA,
     0x01F93B,
-    0x01F93F,
     0x01F946,
-    0x01F97B
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -315,17 +318,22 @@ const nonMatchSymbols = buildString({
     [0x01F5F4, 0x01F5F9],
     [0x01F650, 0x01F67F],
     [0x01F6C6, 0x01F6CA],
-    [0x01F6D3, 0x01F6DF],
+    [0x01F6D3, 0x01F6D4],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6E6, 0x01F6E8],
     [0x01F6ED, 0x01F6EF],
     [0x01F6F1, 0x01F6F2],
-    [0x01F6FA, 0x01F90F],
-    [0x01F971, 0x01F972],
+    [0x01F6FB, 0x01F7DF],
+    [0x01F7EC, 0x01F90C],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x10FFFF]
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA00, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Emoji_Component.js b/test/built-ins/RegExp/property-escapes/generated/Emoji_Component.js
index 5443443581..0f5b90498b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Emoji_Component.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Emoji_Component.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Emoji_Component`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier.js b/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier.js
index cd3d972862..eb82e2cf43 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Emoji_Modifier`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier_Base.js b/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier_Base.js
index abf1d7ab2f..06c12e4c8f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier_Base.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Emoji_Modifier_Base.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Emoji_Modifier_Base`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -19,15 +19,18 @@ const matchSymbols = buildString({
     0x0026F9,
     0x01F385,
     0x01F3C7,
-    0x01F46E,
     0x01F47C,
+    0x01F48F,
+    0x01F491,
     0x01F4AA,
     0x01F57A,
     0x01F590,
     0x01F6A3,
     0x01F6C0,
     0x01F6CC,
-    0x01F926
+    0x01F90F,
+    0x01F926,
+    0x01F9BB
   ],
   ranges: [
     [0x00270A, 0x00270D],
@@ -35,8 +38,7 @@ const matchSymbols = buildString({
     [0x01F3CA, 0x01F3CC],
     [0x01F442, 0x01F443],
     [0x01F446, 0x01F450],
-    [0x01F466, 0x01F469],
-    [0x01F470, 0x01F478],
+    [0x01F466, 0x01F478],
     [0x01F481, 0x01F483],
     [0x01F485, 0x01F487],
     [0x01F574, 0x01F575],
@@ -44,12 +46,12 @@ const matchSymbols = buildString({
     [0x01F645, 0x01F647],
     [0x01F64B, 0x01F64F],
     [0x01F6B4, 0x01F6B6],
-    [0x01F918, 0x01F91C],
-    [0x01F91E, 0x01F91F],
+    [0x01F918, 0x01F91F],
     [0x01F930, 0x01F939],
-    [0x01F93D, 0x01F93E],
+    [0x01F93C, 0x01F93E],
     [0x01F9B5, 0x01F9B6],
     [0x01F9B8, 0x01F9B9],
+    [0x01F9CD, 0x01F9CF],
     [0x01F9D1, 0x01F9DD]
   ]
 });
@@ -61,10 +63,11 @@ testPropertyEscapes(
 
 const nonMatchSymbols = buildString({
   loneCodePoints: [
-    0x01F46F,
     0x01F484,
-    0x01F91D,
-    0x01F9B7
+    0x01F490,
+    0x01F9B7,
+    0x01F9BA,
+    0x01F9D0
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -79,10 +82,10 @@ const nonMatchSymbols = buildString({
     [0x01F3CD, 0x01F441],
     [0x01F444, 0x01F445],
     [0x01F451, 0x01F465],
-    [0x01F46A, 0x01F46D],
     [0x01F479, 0x01F47B],
     [0x01F47D, 0x01F480],
-    [0x01F488, 0x01F4A9],
+    [0x01F488, 0x01F48E],
+    [0x01F492, 0x01F4A9],
     [0x01F4AB, 0x01F573],
     [0x01F576, 0x01F579],
     [0x01F57B, 0x01F58F],
@@ -93,12 +96,13 @@ const nonMatchSymbols = buildString({
     [0x01F6A4, 0x01F6B3],
     [0x01F6B7, 0x01F6BF],
     [0x01F6C1, 0x01F6CB],
-    [0x01F6CD, 0x01F917],
+    [0x01F6CD, 0x01F90E],
+    [0x01F910, 0x01F917],
     [0x01F920, 0x01F925],
     [0x01F927, 0x01F92F],
-    [0x01F93A, 0x01F93C],
+    [0x01F93A, 0x01F93B],
     [0x01F93F, 0x01F9B4],
-    [0x01F9BA, 0x01F9D0],
+    [0x01F9BC, 0x01F9CC],
     [0x01F9DE, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Emoji_Presentation.js b/test/built-ins/RegExp/property-escapes/generated/Emoji_Presentation.js
index b7b73f2a87..d561333979 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Emoji_Presentation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Emoji_Presentation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Emoji_Presentation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -46,7 +46,7 @@ const matchSymbols = buildString({
     0x01F57A,
     0x01F5A4,
     0x01F6CC,
-    0x01F97A
+    0x01F6D5
   ],
   ranges: [
     [0x00231A, 0x00231B],
@@ -84,16 +84,20 @@ const matchSymbols = buildString({
     [0x01F680, 0x01F6C5],
     [0x01F6D0, 0x01F6D2],
     [0x01F6EB, 0x01F6EC],
-    [0x01F6F4, 0x01F6F9],
-    [0x01F910, 0x01F93A],
-    [0x01F93C, 0x01F93E],
-    [0x01F940, 0x01F945],
-    [0x01F947, 0x01F970],
+    [0x01F6F4, 0x01F6FA],
+    [0x01F7E0, 0x01F7EB],
+    [0x01F90D, 0x01F93A],
+    [0x01F93C, 0x01F945],
+    [0x01F947, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF]
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01F9FF],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95]
   ]
 });
 testPropertyEscapes(
@@ -115,9 +119,8 @@ const nonMatchSymbols = buildString({
     0x01F441,
     0x01F54F,
     0x01F93B,
-    0x01F93F,
     0x01F946,
-    0x01F97B
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -177,15 +180,20 @@ const nonMatchSymbols = buildString({
     [0x01F650, 0x01F67F],
     [0x01F6C6, 0x01F6CB],
     [0x01F6CD, 0x01F6CF],
-    [0x01F6D3, 0x01F6EA],
+    [0x01F6D3, 0x01F6D4],
+    [0x01F6D6, 0x01F6EA],
     [0x01F6ED, 0x01F6F3],
-    [0x01F6FA, 0x01F90F],
-    [0x01F971, 0x01F972],
+    [0x01F6FB, 0x01F7DF],
+    [0x01F7EC, 0x01F90C],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x10FFFF]
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA00, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Extended_Pictographic.js b/test/built-ins/RegExp/property-escapes/generated/Extended_Pictographic.js
index 5011b8ae62..42a108b42e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Extended_Pictographic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Extended_Pictographic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Extended_Pictographic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Extender.js b/test/built-ins/RegExp/property-escapes/generated/Extender.js
index 5debe317d3..fa5effa12a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Extender.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Extender.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Extender`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -34,7 +34,8 @@ const matchSymbols = buildString({
     0x00AADD,
     0x00FF70,
     0x01135D,
-    0x011A98
+    0x011A98,
+    0x016FE3
   ],
   ranges: [
     [0x0002D0, 0x0002D1],
@@ -45,6 +46,7 @@ const matchSymbols = buildString({
     [0x0115C6, 0x0115C8],
     [0x016B42, 0x016B43],
     [0x016FE0, 0x016FE1],
+    [0x01E13C, 0x01E13D],
     [0x01E944, 0x01E946]
   ]
 });
@@ -60,7 +62,9 @@ testPropertyEscapes(
 );
 
 const nonMatchSymbols = buildString({
-  loneCodePoints: [],
+  loneCodePoints: [
+    0x016FE2
+  ],
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x0000B6],
@@ -92,7 +96,8 @@ const nonMatchSymbols = buildString({
     [0x0115C9, 0x011A97],
     [0x011A99, 0x016B41],
     [0x016B44, 0x016FDF],
-    [0x016FE2, 0x01E943],
+    [0x016FE4, 0x01E13B],
+    [0x01E13E, 0x01E943],
     [0x01E947, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Cased_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Cased_Letter.js
index 1f086ce29a..bf981be409 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Cased_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Cased_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Cased_Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -104,9 +104,10 @@ const matchSymbols = buildString({
     [0x00A722, 0x00A76F],
     [0x00A771, 0x00A787],
     [0x00A78B, 0x00A78E],
-    [0x00A790, 0x00A7B9],
+    [0x00A790, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00AB30, 0x00AB5A],
-    [0x00AB60, 0x00AB65],
+    [0x00AB60, 0x00AB67],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -292,10 +293,11 @@ const nonMatchSymbols = buildString({
     [0x00A66E, 0x00A67F],
     [0x00A69C, 0x00A721],
     [0x00A788, 0x00A78A],
-    [0x00A7BA, 0x00A7F9],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F9],
     [0x00A7FB, 0x00AB2F],
     [0x00AB5B, 0x00AB5F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FB12],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Close_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Close_Punctuation.js
index dd5fa861bf..0242e70075 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Close_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Close_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Close_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Connector_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Connector_Punctuation.js
index 7a72977df8..ec19604fc9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Connector_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Connector_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Connector_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Control.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Control.js
index e659be29a5..be635c9e43 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Control.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Control.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Control`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Currency_Symbol.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Currency_Symbol.js
index 96478c7370..1c24820c83 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Currency_Symbol.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Currency_Symbol.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Currency_Symbol`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -27,6 +27,7 @@ const matchSymbols = buildString({
     0x00FDFC,
     0x00FE69,
     0x00FF04,
+    0x01E2FF,
     0x01ECB0
   ],
   ranges: [
@@ -35,7 +36,8 @@ const matchSymbols = buildString({
     [0x0009F2, 0x0009F3],
     [0x0020A0, 0x0020BF],
     [0x00FFE0, 0x00FFE1],
-    [0x00FFE5, 0x00FFE6]
+    [0x00FFE5, 0x00FFE6],
+    [0x011FDD, 0x011FE0]
   ]
 });
 testPropertyEscapes(
@@ -92,7 +94,9 @@ const nonMatchSymbols = buildString({
     [0x00FE6A, 0x00FF03],
     [0x00FF05, 0x00FFDF],
     [0x00FFE2, 0x00FFE4],
-    [0x00FFE7, 0x01ECAF],
+    [0x00FFE7, 0x011FDC],
+    [0x011FE1, 0x01E2FE],
+    [0x01E300, 0x01ECAF],
     [0x01ECB1, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Dash_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Dash_Punctuation.js
index b6894fd78c..2766ae7a2e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Dash_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Dash_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Dash_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Decimal_Number.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Decimal_Number.js
index 57e85a543e..9c8e36ad08 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Decimal_Number.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Decimal_Number.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Decimal_Number`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -72,6 +72,8 @@ const matchSymbols = buildString({
     [0x016A60, 0x016A69],
     [0x016B50, 0x016B59],
     [0x01D7CE, 0x01D7FF],
+    [0x01E140, 0x01E149],
+    [0x01E2F0, 0x01E2F9],
     [0x01E950, 0x01E959]
   ]
 });
@@ -182,7 +184,9 @@ const nonMatchSymbols = buildString({
     [0x011DAA, 0x016A5F],
     [0x016A6A, 0x016B4F],
     [0x016B5A, 0x01D7CD],
-    [0x01D800, 0x01E94F],
+    [0x01D800, 0x01E13F],
+    [0x01E14A, 0x01E2EF],
+    [0x01E2FA, 0x01E94F],
     [0x01E95A, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Enclosing_Mark.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Enclosing_Mark.js
index b65739e4fc..2fa3b6601f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Enclosing_Mark.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Enclosing_Mark.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Enclosing_Mark`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Final_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Final_Punctuation.js
index 4d98808d88..cadda752c4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Final_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Final_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Final_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Format.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Format.js
index a27c0799ab..144b02e807 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Format.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Format.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Format`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -33,6 +33,7 @@ const matchSymbols = buildString({
     [0x002060, 0x002064],
     [0x002066, 0x00206F],
     [0x00FFF9, 0x00FFFB],
+    [0x013430, 0x013438],
     [0x01BCA0, 0x01BCA3],
     [0x01D173, 0x01D17A],
     [0x0E0020, 0x0E007F]
@@ -90,7 +91,8 @@ const nonMatchSymbols = buildString({
     [0x00FF00, 0x00FFF8],
     [0x00FFFC, 0x0110BC],
     [0x0110BE, 0x0110CC],
-    [0x0110CE, 0x01BC9F],
+    [0x0110CE, 0x01342F],
+    [0x013439, 0x01BC9F],
     [0x01BCA4, 0x01D172],
     [0x01D17B, 0x0E0000],
     [0x0E0002, 0x0E001F],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Initial_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Initial_Punctuation.js
index b3a06855b7..cbc94f6787 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Initial_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Initial_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Initial_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter.js
index c4ed08765d..7504c77fca 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -55,10 +55,7 @@ const matchSymbols = buildString({
     0x000D4E,
     0x000DBD,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EBD,
     0x000EC6,
     0x000F00,
@@ -73,6 +70,7 @@ const matchSymbols = buildString({
     0x0017DC,
     0x0018AA,
     0x001AA7,
+    0x001CFA,
     0x001F59,
     0x001F5B,
     0x001F5D,
@@ -109,9 +107,13 @@ const matchSymbols = buildString({
     0x011288,
     0x01133D,
     0x011350,
+    0x01145F,
     0x0114C7,
     0x011644,
+    0x0116B8,
     0x0118FF,
+    0x0119E1,
+    0x0119E3,
     0x011A00,
     0x011A3A,
     0x011A50,
@@ -120,9 +122,12 @@ const matchSymbols = buildString({
     0x011D46,
     0x011D98,
     0x016F50,
+    0x016FE3,
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E14E,
+    0x01E94B,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -245,12 +250,9 @@ const matchSymbols = buildString({
     [0x000E32, 0x000E33],
     [0x000E40, 0x000E46],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB0],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EB0],
     [0x000EB2, 0x000EB3],
     [0x000EC0, 0x000EC4],
     [0x000EDC, 0x000EDF],
@@ -317,7 +319,7 @@ const matchSymbols = buildString({
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CBF],
     [0x001CE9, 0x001CEC],
-    [0x001CEE, 0x001CF1],
+    [0x001CEE, 0x001CF3],
     [0x001CF5, 0x001CF6],
     [0x001D00, 0x001DBF],
     [0x001E00, 0x001F15],
@@ -382,7 +384,8 @@ const matchSymbols = buildString({
     [0x00A6A0, 0x00A6E5],
     [0x00A717, 0x00A71F],
     [0x00A722, 0x00A788],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A801],
     [0x00A803, 0x00A805],
     [0x00A807, 0x00A80A],
@@ -414,7 +417,7 @@ const matchSymbols = buildString({
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABE2],
     [0x00AC00, 0x00D7A3],
     [0x00D7B0, 0x00D7C6],
@@ -495,6 +498,7 @@ const matchSymbols = buildString({
     [0x010D00, 0x010D23],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F45],
+    [0x010FE0, 0x010FF6],
     [0x011003, 0x011037],
     [0x011083, 0x0110AF],
     [0x0110D0, 0x0110E8],
@@ -527,9 +531,10 @@ const matchSymbols = buildString({
     [0x011700, 0x01171A],
     [0x011800, 0x01182B],
     [0x0118A0, 0x0118DF],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D0],
     [0x011A0B, 0x011A32],
-    [0x011A5C, 0x011A83],
-    [0x011A86, 0x011A89],
+    [0x011A5C, 0x011A89],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C2E],
@@ -553,12 +558,14 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E7F],
-    [0x016F00, 0x016F44],
+    [0x016F00, 0x016F4A],
     [0x016F93, 0x016F9F],
     [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -591,6 +598,9 @@ const matchSymbols = buildString({
     [0x01D78A, 0x01D7A8],
     [0x01D7AA, 0x01D7C2],
     [0x01D7C4, 0x01D7CB],
+    [0x01E100, 0x01E12C],
+    [0x01E137, 0x01E13D],
+    [0x01E2C0, 0x01E2EB],
     [0x01E800, 0x01E8C4],
     [0x01E900, 0x01E943],
     [0x01EE00, 0x01EE03],
@@ -701,12 +711,10 @@ const nonMatchSymbols = buildString({
     0x000DBC,
     0x000E31,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
     0x000EB1,
     0x000EC5,
     0x000F48,
@@ -726,6 +734,7 @@ const nonMatchSymbols = buildString({
     0x00176D,
     0x0018A9,
     0x001CED,
+    0x001CF4,
     0x001F58,
     0x001F5A,
     0x001F5C,
@@ -793,11 +802,13 @@ const nonMatchSymbols = buildString({
     0x011331,
     0x011334,
     0x0114C6,
+    0x0119E2,
     0x011C09,
     0x011D07,
     0x011D0A,
     0x011D66,
     0x011D69,
+    0x016FE2,
     0x01D455,
     0x01D49D,
     0x01D4AD,
@@ -944,10 +955,6 @@ const nonMatchSymbols = buildString({
     [0x000DC7, 0x000E00],
     [0x000E34, 0x000E3F],
     [0x000E47, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EB4, 0x000EBC],
     [0x000EBE, 0x000EBF],
     [0x000EC7, 0x000EDB],
@@ -1010,8 +1017,8 @@ const nonMatchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001CE8],
-    [0x001CF2, 0x001CF4],
-    [0x001CF7, 0x001CFF],
+    [0x001CF7, 0x001CF9],
+    [0x001CFB, 0x001CFF],
     [0x001DC0, 0x001DFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
@@ -1066,7 +1073,8 @@ const nonMatchSymbols = buildString({
     [0x00A6E6, 0x00A716],
     [0x00A720, 0x00A721],
     [0x00A789, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A823, 0x00A83F],
     [0x00A874, 0x00A881],
     [0x00A8B4, 0x00A8F1],
@@ -1092,7 +1100,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABE3, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
     [0x00D7C7, 0x00D7CA],
@@ -1160,7 +1168,8 @@ const nonMatchSymbols = buildString({
     [0x010D24, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F46, 0x011002],
+    [0x010F46, 0x010FDF],
+    [0x010FF7, 0x011002],
     [0x011038, 0x011082],
     [0x0110B0, 0x0110CF],
     [0x0110E9, 0x011102],
@@ -1181,23 +1190,27 @@ const nonMatchSymbols = buildString({
     [0x011351, 0x01135C],
     [0x011362, 0x0113FF],
     [0x011435, 0x011446],
-    [0x01144B, 0x01147F],
+    [0x01144B, 0x01145E],
+    [0x011460, 0x01147F],
     [0x0114B0, 0x0114C3],
     [0x0114C8, 0x01157F],
     [0x0115AF, 0x0115D7],
     [0x0115DC, 0x0115FF],
     [0x011630, 0x011643],
     [0x011645, 0x01167F],
-    [0x0116AB, 0x0116FF],
+    [0x0116AB, 0x0116B7],
+    [0x0116B9, 0x0116FF],
     [0x01171B, 0x0117FF],
     [0x01182C, 0x01189F],
     [0x0118E0, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D1, 0x0119E0],
+    [0x0119E4, 0x0119FF],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A39],
     [0x011A3B, 0x011A4F],
     [0x011A51, 0x011A5B],
-    [0x011A84, 0x011A85],
     [0x011A8A, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -1221,13 +1234,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E80, 0x016EFF],
-    [0x016F45, 0x016F4F],
+    [0x016F4B, 0x016F4F],
     [0x016F51, 0x016F92],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1239,9 +1254,14 @@ const nonMatchSymbols = buildString({
     [0x01D50B, 0x01D50C],
     [0x01D547, 0x01D549],
     [0x01D6A6, 0x01D6A7],
-    [0x01D7CC, 0x01E7FF],
+    [0x01D7CC, 0x01E0FF],
+    [0x01E12D, 0x01E136],
+    [0x01E13E, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2EC, 0x01E7FF],
     [0x01E8C5, 0x01E8FF],
-    [0x01E944, 0x01EDFF],
+    [0x01E944, 0x01E94A],
+    [0x01E94C, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter_Number.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter_Number.js
index 27ed07928f..d7f80b795e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter_Number.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Letter_Number.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Letter_Number`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Line_Separator.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Line_Separator.js
index 6f41a9a4c0..9c2a60f303 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Line_Separator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Line_Separator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Line_Separator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Lowercase_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Lowercase_Letter.js
index 05b8ee4a41..374249c83f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Lowercase_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Lowercase_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Lowercase_Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -546,6 +546,10 @@ const matchSymbols = buildString({
     0x00A7B5,
     0x00A7B7,
     0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7BF,
+    0x00A7C3,
     0x00A7FA,
     0x01D4BB,
     0x01D7CB
@@ -618,7 +622,7 @@ const matchSymbols = buildString({
     [0x00A771, 0x00A778],
     [0x00A793, 0x00A795],
     [0x00AB30, 0x00AB5A],
-    [0x00AB60, 0x00AB65],
+    [0x00AB60, 0x00AB67],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -1199,6 +1203,9 @@ const nonMatchSymbols = buildString({
     0x00A7A8,
     0x00A7B6,
     0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
     0x01D455,
     0x01D4BA,
     0x01D4BC,
@@ -1300,10 +1307,11 @@ const nonMatchSymbols = buildString({
     [0x00A78F, 0x00A790],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
-    [0x00A7BA, 0x00A7F9],
+    [0x00A7C0, 0x00A7C2],
+    [0x00A7C4, 0x00A7F9],
     [0x00A7FB, 0x00AB2F],
     [0x00AB5B, 0x00AB5F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FB12],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Mark.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Mark.js
index ea19506fbe..518e4b0625 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Mark.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Mark.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Mark`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -45,6 +45,7 @@ const matchSymbols = buildString({
     0x0018A9,
     0x001A7F,
     0x001CED,
+    0x001CF4,
     0x002D7F,
     0x00A802,
     0x00A806,
@@ -62,9 +63,11 @@ const matchSymbols = buildString({
     0x01123E,
     0x011357,
     0x01145E,
+    0x0119E4,
     0x011A47,
     0x011D3A,
     0x011D47,
+    0x016F4F,
     0x01DA75,
     0x01DA84
   ],
@@ -143,8 +146,7 @@ const matchSymbols = buildString({
     [0x000DF2, 0x000DF3],
     [0x000E34, 0x000E3A],
     [0x000E47, 0x000E4E],
-    [0x000EB4, 0x000EB9],
-    [0x000EBB, 0x000EBC],
+    [0x000EB4, 0x000EBC],
     [0x000EC8, 0x000ECD],
     [0x000F18, 0x000F19],
     [0x000F3E, 0x000F3F],
@@ -183,7 +185,6 @@ const matchSymbols = buildString({
     [0x001C24, 0x001C37],
     [0x001CD0, 0x001CD2],
     [0x001CD4, 0x001CE8],
-    [0x001CF2, 0x001CF4],
     [0x001CF7, 0x001CF9],
     [0x001DC0, 0x001DF9],
     [0x001DFB, 0x001DFF],
@@ -253,6 +254,8 @@ const matchSymbols = buildString({
     [0x0116AB, 0x0116B7],
     [0x01171D, 0x01172B],
     [0x01182C, 0x01183A],
+    [0x0119D1, 0x0119D7],
+    [0x0119DA, 0x0119E0],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A39],
     [0x011A3B, 0x011A3E],
@@ -271,7 +274,7 @@ const matchSymbols = buildString({
     [0x011EF3, 0x011EF6],
     [0x016AF0, 0x016AF4],
     [0x016B30, 0x016B36],
-    [0x016F51, 0x016F7E],
+    [0x016F51, 0x016F87],
     [0x016F8F, 0x016F92],
     [0x01BC9D, 0x01BC9E],
     [0x01D165, 0x01D169],
@@ -289,6 +292,8 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E130, 0x01E136],
+    [0x01E2EC, 0x01E2EF],
     [0x01E8D0, 0x01E8D6],
     [0x01E944, 0x01E94A],
     [0x0E0100, 0x0E01EF]
@@ -371,7 +376,6 @@ const nonMatchSymbols = buildString({
     0x000D49,
     0x000DD5,
     0x000DD7,
-    0x000EBA,
     0x000F36,
     0x000F38,
     0x000F85,
@@ -395,6 +399,7 @@ const nonMatchSymbols = buildString({
     0x011D46,
     0x011D8F,
     0x011D92,
+    0x016F50,
     0x01DAA0,
     0x01E007,
     0x01E022,
@@ -508,7 +513,7 @@ const nonMatchSymbols = buildString({
     [0x001BF4, 0x001C23],
     [0x001C38, 0x001CCF],
     [0x001CE9, 0x001CEC],
-    [0x001CEE, 0x001CF1],
+    [0x001CEE, 0x001CF3],
     [0x001CF5, 0x001CF6],
     [0x001CFA, 0x001DBF],
     [0x001E00, 0x0020CF],
@@ -589,7 +594,10 @@ const nonMatchSymbols = buildString({
     [0x011641, 0x0116AA],
     [0x0116B8, 0x01171C],
     [0x01172C, 0x01182B],
-    [0x01183B, 0x011A00],
+    [0x01183B, 0x0119D0],
+    [0x0119D8, 0x0119D9],
+    [0x0119E1, 0x0119E3],
+    [0x0119E5, 0x011A00],
     [0x011A0B, 0x011A32],
     [0x011A3F, 0x011A46],
     [0x011A48, 0x011A50],
@@ -602,8 +610,8 @@ const nonMatchSymbols = buildString({
     [0x011D98, 0x011EF2],
     [0x011EF7, 0x016AEF],
     [0x016AF5, 0x016B2F],
-    [0x016B37, 0x016F50],
-    [0x016F7F, 0x016F8E],
+    [0x016B37, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016F93, 0x01BC9C],
     [0x01BC9F, 0x01D164],
     [0x01D16A, 0x01D16C],
@@ -618,7 +626,9 @@ const nonMatchSymbols = buildString({
     [0x01DA85, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E8CF],
+    [0x01E02B, 0x01E12F],
+    [0x01E137, 0x01E2EB],
+    [0x01E2F0, 0x01E8CF],
     [0x01E8D7, 0x01E943],
     [0x01E94B, 0x0E00FF],
     [0x0E01F0, 0x10FFFF]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Math_Symbol.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Math_Symbol.js
index ab56d24b23..f6a368ae2c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Math_Symbol.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Math_Symbol.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Math_Symbol`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Letter.js
index 48453a0022..23a506a08e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Modifier_Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -48,7 +48,9 @@ const matchSymbols = buildString({
     0x00A9E6,
     0x00AA70,
     0x00AADD,
-    0x00FF70
+    0x00FF70,
+    0x016FE3,
+    0x01E94B
   ],
   ranges: [
     [0x0002B0, 0x0002C1],
@@ -73,7 +75,8 @@ const matchSymbols = buildString({
     [0x00FF9E, 0x00FF9F],
     [0x016B40, 0x016B43],
     [0x016F93, 0x016F9F],
-    [0x016FE0, 0x016FE1]
+    [0x016FE0, 0x016FE1],
+    [0x01E137, 0x01E13D]
   ]
 });
 testPropertyEscapes(
@@ -109,7 +112,8 @@ testPropertyEscapes(
 
 const nonMatchSymbols = buildString({
   loneCodePoints: [
-    0x0002ED
+    0x0002ED,
+    0x016FE2
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -170,7 +174,9 @@ const nonMatchSymbols = buildString({
     [0x00FFA0, 0x016B3F],
     [0x016B44, 0x016F92],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x10FFFF]
+    [0x016FE4, 0x01E136],
+    [0x01E13E, 0x01E94A],
+    [0x01E94C, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Symbol.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Symbol.js
index d9e09d067d..8a022695b9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Symbol.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Modifier_Symbol.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Modifier_Symbol`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Nonspacing_Mark.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Nonspacing_Mark.js
index 713faefdb7..2c6149e34b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Nonspacing_Mark.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Nonspacing_Mark.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Nonspacing_Mark`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -82,7 +82,6 @@ const matchSymbols = buildString({
     0x00A80B,
     0x00A8FF,
     0x00A9B3,
-    0x00A9BC,
     0x00A9E5,
     0x00AA43,
     0x00AA4C,
@@ -110,12 +109,14 @@ const matchSymbols = buildString({
     0x0116AB,
     0x0116AD,
     0x0116B7,
+    0x0119E0,
     0x011A47,
     0x011C3F,
     0x011D3A,
     0x011D47,
     0x011D95,
     0x011D97,
+    0x016F4F,
     0x01DA75,
     0x01DA84
   ],
@@ -172,8 +173,7 @@ const matchSymbols = buildString({
     [0x000DD2, 0x000DD4],
     [0x000E34, 0x000E3A],
     [0x000E47, 0x000E4E],
-    [0x000EB4, 0x000EB9],
-    [0x000EBB, 0x000EBC],
+    [0x000EB4, 0x000EBC],
     [0x000EC8, 0x000ECD],
     [0x000F18, 0x000F19],
     [0x000F71, 0x000F7E],
@@ -240,6 +240,7 @@ const matchSymbols = buildString({
     [0x00A947, 0x00A951],
     [0x00A980, 0x00A982],
     [0x00A9B6, 0x00A9B9],
+    [0x00A9BC, 0x00A9BD],
     [0x00AA29, 0x00AA2E],
     [0x00AA31, 0x00AA32],
     [0x00AA35, 0x00AA36],
@@ -291,6 +292,8 @@ const matchSymbols = buildString({
     [0x011727, 0x01172B],
     [0x01182F, 0x011837],
     [0x011839, 0x01183A],
+    [0x0119D4, 0x0119D7],
+    [0x0119DA, 0x0119DB],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A38],
     [0x011A3B, 0x011A3E],
@@ -327,6 +330,8 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E130, 0x01E136],
+    [0x01E2EC, 0x01E2EF],
     [0x01E8D0, 0x01E8D6],
     [0x01E944, 0x01E94A],
     [0x0E0100, 0x0E01EF]
@@ -380,7 +385,6 @@ const nonMatchSymbols = buildString({
     0x000B40,
     0x000C49,
     0x000DD5,
-    0x000EBA,
     0x000F36,
     0x000F38,
     0x000F7F,
@@ -583,7 +587,7 @@ const nonMatchSymbols = buildString({
     [0x00A983, 0x00A9B2],
     [0x00A9B4, 0x00A9B5],
     [0x00A9BA, 0x00A9BB],
-    [0x00A9BD, 0x00A9E4],
+    [0x00A9BE, 0x00A9E4],
     [0x00A9E6, 0x00AA28],
     [0x00AA2F, 0x00AA30],
     [0x00AA33, 0x00AA34],
@@ -648,7 +652,10 @@ const nonMatchSymbols = buildString({
     [0x0116B8, 0x01171C],
     [0x011720, 0x011721],
     [0x01172C, 0x01182E],
-    [0x01183B, 0x011A00],
+    [0x01183B, 0x0119D3],
+    [0x0119D8, 0x0119D9],
+    [0x0119DC, 0x0119DF],
+    [0x0119E1, 0x011A00],
     [0x011A0B, 0x011A32],
     [0x011A39, 0x011A3A],
     [0x011A3F, 0x011A46],
@@ -665,7 +672,8 @@ const nonMatchSymbols = buildString({
     [0x011D98, 0x011EF2],
     [0x011EF5, 0x016AEF],
     [0x016AF5, 0x016B2F],
-    [0x016B37, 0x016F8E],
+    [0x016B37, 0x016F4E],
+    [0x016F50, 0x016F8E],
     [0x016F93, 0x01BC9C],
     [0x01BC9F, 0x01D166],
     [0x01D16A, 0x01D17A],
@@ -679,7 +687,9 @@ const nonMatchSymbols = buildString({
     [0x01DA85, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E8CF],
+    [0x01E02B, 0x01E12F],
+    [0x01E137, 0x01E2EB],
+    [0x01E2F0, 0x01E8CF],
     [0x01E8D7, 0x01E943],
     [0x01E94B, 0x0E00FF],
     [0x0E01F0, 0x10FFFF]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Number.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Number.js
index a5e2ab748b..3f0b1c8e33 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Number.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Number.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Number`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -128,6 +128,7 @@ const matchSymbols = buildString({
     [0x011C50, 0x011C6C],
     [0x011D50, 0x011D59],
     [0x011DA0, 0x011DA9],
+    [0x011FC0, 0x011FD4],
     [0x012400, 0x01246E],
     [0x016A60, 0x016A69],
     [0x016B50, 0x016B59],
@@ -136,11 +137,15 @@ const matchSymbols = buildString({
     [0x01D2E0, 0x01D2F3],
     [0x01D360, 0x01D378],
     [0x01D7CE, 0x01D7FF],
+    [0x01E140, 0x01E149],
+    [0x01E2F0, 0x01E2F9],
     [0x01E8C7, 0x01E8CF],
     [0x01E950, 0x01E959],
     [0x01EC71, 0x01ECAB],
     [0x01ECAD, 0x01ECAF],
     [0x01ECB1, 0x01ECB4],
+    [0x01ED01, 0x01ED2D],
+    [0x01ED2F, 0x01ED3D],
     [0x01F100, 0x01F10C]
   ]
 });
@@ -180,7 +185,8 @@ const nonMatchSymbols = buildString({
     0x003250,
     0x016B5A,
     0x01ECAC,
-    0x01ECB0
+    0x01ECB0,
+    0x01ED2E
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -295,17 +301,21 @@ const nonMatchSymbols = buildString({
     [0x0118F3, 0x011C4F],
     [0x011C6D, 0x011D4F],
     [0x011D5A, 0x011D9F],
-    [0x011DAA, 0x0123FF],
+    [0x011DAA, 0x011FBF],
+    [0x011FD5, 0x0123FF],
     [0x01246F, 0x016A5F],
     [0x016A6A, 0x016B4F],
     [0x016B62, 0x016E7F],
     [0x016E97, 0x01D2DF],
     [0x01D2F4, 0x01D35F],
     [0x01D379, 0x01D7CD],
-    [0x01D800, 0x01E8C6],
+    [0x01D800, 0x01E13F],
+    [0x01E14A, 0x01E2EF],
+    [0x01E2FA, 0x01E8C6],
     [0x01E8D0, 0x01E94F],
     [0x01E95A, 0x01EC70],
-    [0x01ECB5, 0x01F0FF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01F0FF],
     [0x01F10D, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Open_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Open_Punctuation.js
index 6aa24d20a7..faaa924dc4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Open_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Open_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Open_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other.js
index 224c47924d..f36020adf8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Other`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -81,13 +81,10 @@ const matchSymbols = buildString({
     0x000DD5,
     0x000DD7,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7,
     0x000F48,
@@ -120,8 +117,6 @@ const matchSymbols = buildString({
     0x001FF5,
     0x001FFF,
     0x00208F,
-    0x002BC9,
-    0x002BFF,
     0x002C2F,
     0x002C5F,
     0x002D26,
@@ -240,8 +235,8 @@ const matchSymbols = buildString({
     0x01EEAA,
     0x01F0C0,
     0x01F0D0,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -311,7 +306,7 @@ const matchSymbols = buildString({
     [0x000C4E, 0x000C54],
     [0x000C5B, 0x000C5F],
     [0x000C64, 0x000C65],
-    [0x000C70, 0x000C77],
+    [0x000C70, 0x000C76],
     [0x000CBA, 0x000CBB],
     [0x000CCE, 0x000CD4],
     [0x000CD7, 0x000CDD],
@@ -329,10 +324,6 @@ const matchSymbols = buildString({
     [0x000DF5, 0x000E00],
     [0x000E3B, 0x000E3E],
     [0x000E5C, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
@@ -388,7 +379,7 @@ const matchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC8, 0x001CCF],
-    [0x001CFA, 0x001CFF],
+    [0x001CFB, 0x001CFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
     [0x001F46, 0x001F47],
@@ -414,7 +405,7 @@ const matchSymbols = buildString({
     [0x002D68, 0x002D6E],
     [0x002D71, 0x002D7E],
     [0x002D97, 0x002D9F],
-    [0x002E4F, 0x002E7F],
+    [0x002E50, 0x002E7F],
     [0x002EF4, 0x002EFF],
     [0x002FD6, 0x002FEF],
     [0x002FFC, 0x002FFF],
@@ -428,7 +419,8 @@ const matchSymbols = buildString({
     [0x00A4C7, 0x00A4CF],
     [0x00A62C, 0x00A63F],
     [0x00A6F8, 0x00A6FF],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A82C, 0x00A82F],
     [0x00A83A, 0x00A83F],
     [0x00A878, 0x00A87F],
@@ -445,7 +437,7 @@ const matchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABEE, 0x00ABEF],
     [0x00ABFA, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
@@ -529,7 +521,8 @@ const matchSymbols = buildString({
     [0x010D3A, 0x010E5F],
     [0x010E7F, 0x010EFF],
     [0x010F28, 0x010F2F],
-    [0x010F5A, 0x010FFF],
+    [0x010F5A, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x01104E, 0x011051],
     [0x011070, 0x01107E],
     [0x0110C2, 0x0110CF],
@@ -553,7 +546,7 @@ const matchSymbols = buildString({
     [0x011364, 0x011365],
     [0x01136D, 0x01136F],
     [0x011375, 0x0113FF],
-    [0x01145F, 0x01147F],
+    [0x011460, 0x01147F],
     [0x0114C8, 0x0114CF],
     [0x0114DA, 0x01157F],
     [0x0115B6, 0x0115B7],
@@ -561,16 +554,18 @@ const matchSymbols = buildString({
     [0x011645, 0x01164F],
     [0x01165A, 0x01165F],
     [0x01166D, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x0116FF],
     [0x01171B, 0x01171C],
     [0x01172C, 0x01172F],
     [0x011740, 0x0117FF],
     [0x01183C, 0x01189F],
     [0x0118F3, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x0119FF],
     [0x011A48, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011AA3, 0x011ABF],
     [0x011AF9, 0x011BFF],
     [0x011C46, 0x011C4F],
@@ -582,7 +577,8 @@ const matchSymbols = buildString({
     [0x011D5A, 0x011D5F],
     [0x011D99, 0x011D9F],
     [0x011DAA, 0x011EDF],
-    [0x011EF9, 0x011FFF],
+    [0x011EF9, 0x011FBF],
+    [0x011FF2, 0x011FFE],
     [0x01239A, 0x0123FF],
     [0x012475, 0x01247F],
     [0x012544, 0x012FFF],
@@ -597,13 +593,15 @@ const matchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E9B, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -628,13 +626,20 @@ const matchSymbols = buildString({
     [0x01DA8C, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E7FF],
+    [0x01E02B, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E150, 0x01E2BF],
+    [0x01E2FA, 0x01E2FE],
+    [0x01E300, 0x01E7FF],
     [0x01E8C5, 0x01E8C6],
     [0x01E8D7, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01E95D],
     [0x01E960, 0x01EC70],
-    [0x01ECB5, 0x01EDFF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
@@ -648,31 +653,34 @@ const matchSymbols = buildString({
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F0FF],
     [0x01F10D, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F24F],
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x01FFFF],
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x01FFFF],
     [0x02A6D7, 0x02A6FF],
     [0x02B735, 0x02B73F],
     [0x02B81E, 0x02B81F],
@@ -731,10 +739,7 @@ const nonMatchSymbols = buildString({
     0x000DCA,
     0x000DD6,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6,
     0x0010C7,
     0x0010CD,
@@ -761,6 +766,7 @@ const nonMatchSymbols = buildString({
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E2FF,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -776,8 +782,7 @@ const nonMatchSymbols = buildString({
     0x01EE5D,
     0x01EE5F,
     0x01EE64,
-    0x01EE7E,
-    0x01F97A
+    0x01EE7E
   ],
   ranges: [
     [0x000020, 0x00007E],
@@ -882,7 +887,7 @@ const nonMatchSymbols = buildString({
     [0x000C58, 0x000C5A],
     [0x000C60, 0x000C63],
     [0x000C66, 0x000C6F],
-    [0x000C78, 0x000C8C],
+    [0x000C77, 0x000C8C],
     [0x000C8E, 0x000C90],
     [0x000C92, 0x000CA8],
     [0x000CAA, 0x000CB3],
@@ -914,13 +919,9 @@ const nonMatchSymbols = buildString({
     [0x000E01, 0x000E3A],
     [0x000E3F, 0x000E5B],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -990,7 +991,7 @@ const nonMatchSymbols = buildString({
     [0x001C4D, 0x001C88],
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CC7],
-    [0x001CD0, 0x001CF9],
+    [0x001CD0, 0x001CFA],
     [0x001D00, 0x001DF9],
     [0x001DFB, 0x001F15],
     [0x001F18, 0x001F1D],
@@ -1018,9 +1019,7 @@ const nonMatchSymbols = buildString({
     [0x002440, 0x00244A],
     [0x002460, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
-    [0x002C00, 0x002C2E],
+    [0x002B98, 0x002C2E],
     [0x002C30, 0x002C5E],
     [0x002C60, 0x002CF3],
     [0x002CF9, 0x002D25],
@@ -1035,7 +1034,7 @@ const nonMatchSymbols = buildString({
     [0x002DC8, 0x002DCE],
     [0x002DD0, 0x002DD6],
     [0x002DD8, 0x002DDE],
-    [0x002DE0, 0x002E4E],
+    [0x002DE0, 0x002E4F],
     [0x002E80, 0x002E99],
     [0x002E9B, 0x002EF3],
     [0x002F00, 0x002FD5],
@@ -1055,7 +1054,8 @@ const nonMatchSymbols = buildString({
     [0x00A490, 0x00A4C6],
     [0x00A4D0, 0x00A62B],
     [0x00A640, 0x00A6F7],
-    [0x00A700, 0x00A7B9],
+    [0x00A700, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A82B],
     [0x00A830, 0x00A839],
     [0x00A840, 0x00A877],
@@ -1076,7 +1076,7 @@ const nonMatchSymbols = buildString({
     [0x00AB11, 0x00AB16],
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
-    [0x00AB30, 0x00AB65],
+    [0x00AB30, 0x00AB67],
     [0x00AB70, 0x00ABED],
     [0x00ABF0, 0x00ABF9],
     [0x00AC00, 0x00D7A3],
@@ -1176,6 +1176,7 @@ const nonMatchSymbols = buildString({
     [0x010E60, 0x010E7E],
     [0x010F00, 0x010F27],
     [0x010F30, 0x010F59],
+    [0x010FE0, 0x010FF6],
     [0x011000, 0x01104D],
     [0x011052, 0x01106F],
     [0x01107F, 0x0110BC],
@@ -1210,7 +1211,7 @@ const nonMatchSymbols = buildString({
     [0x011366, 0x01136C],
     [0x011370, 0x011374],
     [0x011400, 0x011459],
-    [0x01145D, 0x01145E],
+    [0x01145D, 0x01145F],
     [0x011480, 0x0114C7],
     [0x0114D0, 0x0114D9],
     [0x011580, 0x0115B5],
@@ -1218,16 +1219,18 @@ const nonMatchSymbols = buildString({
     [0x011600, 0x011644],
     [0x011650, 0x011659],
     [0x011660, 0x01166C],
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9],
     [0x011700, 0x01171A],
     [0x01171D, 0x01172B],
     [0x011730, 0x01173F],
     [0x011800, 0x01183B],
     [0x0118A0, 0x0118F2],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E4],
     [0x011A00, 0x011A47],
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011AA2],
+    [0x011A50, 0x011AA2],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C36],
@@ -1249,7 +1252,8 @@ const nonMatchSymbols = buildString({
     [0x011D93, 0x011D98],
     [0x011DA0, 0x011DA9],
     [0x011EE0, 0x011EF8],
-    [0x012000, 0x012399],
+    [0x011FC0, 0x011FF1],
+    [0x011FFF, 0x012399],
     [0x012400, 0x01246E],
     [0x012470, 0x012474],
     [0x012480, 0x012543],
@@ -1267,13 +1271,15 @@ const nonMatchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E9A],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F],
-    [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x016FE0, 0x016FE3],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -1313,12 +1319,18 @@ const nonMatchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E14E, 0x01E14F],
+    [0x01E2C0, 0x01E2F9],
     [0x01E800, 0x01E8C4],
     [0x01E8C7, 0x01E8D6],
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01E95E, 0x01E95F],
     [0x01EC71, 0x01ECB4],
+    [0x01ED01, 0x01ED3D],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
     [0x01EE21, 0x01EE22],
@@ -1344,32 +1356,36 @@ const nonMatchSymbols = buildString({
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
     [0x01F100, 0x01F10C],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
     [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95],
     [0x020000, 0x02A6D6],
     [0x02A700, 0x02B734],
     [0x02B740, 0x02B81D],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Letter.js
index 5208847515..f737b532c6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Other_Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -46,10 +46,7 @@ const matchSymbols = buildString({
     0x000D4E,
     0x000DBD,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EBD,
     0x000F00,
     0x00103F,
@@ -59,6 +56,7 @@ const matchSymbols = buildString({
     0x0012C0,
     0x0017DC,
     0x0018AA,
+    0x001CFA,
     0x003006,
     0x00303C,
     0x00309F,
@@ -85,9 +83,13 @@ const matchSymbols = buildString({
     0x011288,
     0x01133D,
     0x011350,
+    0x01145F,
     0x0114C7,
     0x011644,
+    0x0116B8,
     0x0118FF,
+    0x0119E1,
+    0x0119E3,
     0x011A00,
     0x011A3A,
     0x011A50,
@@ -96,6 +98,7 @@ const matchSymbols = buildString({
     0x011D46,
     0x011D98,
     0x016F50,
+    0x01E14E,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -201,12 +204,9 @@ const matchSymbols = buildString({
     [0x000E32, 0x000E33],
     [0x000E40, 0x000E45],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB0],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EB0],
     [0x000EB2, 0x000EB3],
     [0x000EC0, 0x000EC4],
     [0x000EDC, 0x000EDF],
@@ -267,7 +267,7 @@ const matchSymbols = buildString({
     [0x001C4D, 0x001C4F],
     [0x001C5A, 0x001C77],
     [0x001CE9, 0x001CEC],
-    [0x001CEE, 0x001CF1],
+    [0x001CEE, 0x001CF3],
     [0x001CF5, 0x001CF6],
     [0x002135, 0x002138],
     [0x002D30, 0x002D67],
@@ -399,6 +399,7 @@ const matchSymbols = buildString({
     [0x010D00, 0x010D23],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F45],
+    [0x010FE0, 0x010FF6],
     [0x011003, 0x011037],
     [0x011083, 0x0110AF],
     [0x0110D0, 0x0110E8],
@@ -430,9 +431,10 @@ const matchSymbols = buildString({
     [0x011680, 0x0116AA],
     [0x011700, 0x01171A],
     [0x011800, 0x01182B],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D0],
     [0x011A0B, 0x011A32],
-    [0x011A5C, 0x011A83],
-    [0x011A86, 0x011A89],
+    [0x011A5C, 0x011A89],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C2E],
@@ -454,15 +456,19 @@ const matchSymbols = buildString({
     [0x016B00, 0x016B2F],
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
-    [0x016F00, 0x016F44],
-    [0x017000, 0x0187F1],
+    [0x016F00, 0x016F4A],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
     [0x01BC80, 0x01BC88],
     [0x01BC90, 0x01BC99],
+    [0x01E100, 0x01E12C],
+    [0x01E2C0, 0x01E2EB],
     [0x01E800, 0x01E8C4],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
@@ -562,12 +568,10 @@ const nonMatchSymbols = buildString({
     0x000DBC,
     0x000E31,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
     0x000EB1,
     0x000F48,
     0x001249,
@@ -585,6 +589,7 @@ const nonMatchSymbols = buildString({
     0x001843,
     0x0018A9,
     0x001CED,
+    0x001CF4,
     0x002DA7,
     0x002DAF,
     0x002DB7,
@@ -635,6 +640,7 @@ const nonMatchSymbols = buildString({
     0x011331,
     0x011334,
     0x0114C6,
+    0x0119E2,
     0x011C09,
     0x011D07,
     0x011D0A,
@@ -747,10 +753,6 @@ const nonMatchSymbols = buildString({
     [0x000DC7, 0x000E00],
     [0x000E34, 0x000E3F],
     [0x000E46, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EB4, 0x000EBC],
     [0x000EBE, 0x000EBF],
     [0x000EC5, 0x000EDB],
@@ -804,8 +806,8 @@ const nonMatchSymbols = buildString({
     [0x001C24, 0x001C4C],
     [0x001C50, 0x001C59],
     [0x001C78, 0x001CE8],
-    [0x001CF2, 0x001CF4],
-    [0x001CF7, 0x002134],
+    [0x001CF7, 0x001CF9],
+    [0x001CFB, 0x002134],
     [0x002139, 0x002D2F],
     [0x002D68, 0x002D7F],
     [0x002D97, 0x002D9F],
@@ -915,7 +917,8 @@ const nonMatchSymbols = buildString({
     [0x010D24, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F46, 0x011002],
+    [0x010F46, 0x010FDF],
+    [0x010FF7, 0x011002],
     [0x011038, 0x011082],
     [0x0110B0, 0x0110CF],
     [0x0110E9, 0x011102],
@@ -936,22 +939,26 @@ const nonMatchSymbols = buildString({
     [0x011351, 0x01135C],
     [0x011362, 0x0113FF],
     [0x011435, 0x011446],
-    [0x01144B, 0x01147F],
+    [0x01144B, 0x01145E],
+    [0x011460, 0x01147F],
     [0x0114B0, 0x0114C3],
     [0x0114C8, 0x01157F],
     [0x0115AF, 0x0115D7],
     [0x0115DC, 0x0115FF],
     [0x011630, 0x011643],
     [0x011645, 0x01167F],
-    [0x0116AB, 0x0116FF],
+    [0x0116AB, 0x0116B7],
+    [0x0116B9, 0x0116FF],
     [0x01171B, 0x0117FF],
     [0x01182C, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D1, 0x0119E0],
+    [0x0119E4, 0x0119FF],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A39],
     [0x011A3B, 0x011A4F],
     [0x011A51, 0x011A5B],
-    [0x011A84, 0x011A85],
     [0x011A8A, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -973,16 +980,21 @@ const nonMatchSymbols = buildString({
     [0x016B30, 0x016B62],
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016EFF],
-    [0x016F45, 0x016F4F],
+    [0x016F4B, 0x016F4F],
     [0x016F51, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
     [0x01BC89, 0x01BC8F],
-    [0x01BC9A, 0x01E7FF],
+    [0x01BC9A, 0x01E0FF],
+    [0x01E12D, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2EC, 0x01E7FF],
     [0x01E8C5, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Number.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Number.js
index ee958ff899..8d853183e8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Number.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Number.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Other_Number`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -75,6 +75,7 @@ const matchSymbols = buildString({
     [0x01173A, 0x01173B],
     [0x0118EA, 0x0118F2],
     [0x011C5A, 0x011C6C],
+    [0x011FC0, 0x011FD4],
     [0x016B5B, 0x016B61],
     [0x016E80, 0x016E96],
     [0x01D2E0, 0x01D2F3],
@@ -83,6 +84,8 @@ const matchSymbols = buildString({
     [0x01EC71, 0x01ECAB],
     [0x01ECAD, 0x01ECAF],
     [0x01ECB1, 0x01ECB4],
+    [0x01ED01, 0x01ED2D],
+    [0x01ED2F, 0x01ED3D],
     [0x01F100, 0x01F10C]
   ]
 });
@@ -121,7 +124,8 @@ const nonMatchSymbols = buildString({
   loneCodePoints: [
     0x003250,
     0x01ECAC,
-    0x01ECB0
+    0x01ECB0,
+    0x01ED2E
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -183,13 +187,15 @@ const nonMatchSymbols = buildString({
     [0x0111F5, 0x011739],
     [0x01173C, 0x0118E9],
     [0x0118F3, 0x011C59],
-    [0x011C6D, 0x016B5A],
+    [0x011C6D, 0x011FBF],
+    [0x011FD5, 0x016B5A],
     [0x016B62, 0x016E7F],
     [0x016E97, 0x01D2DF],
     [0x01D2F4, 0x01D35F],
     [0x01D379, 0x01E8C6],
     [0x01E8D0, 0x01EC70],
-    [0x01ECB5, 0x01F0FF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01F0FF],
     [0x01F10D, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Punctuation.js
index a0a18936b1..87fa3a3298 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Other_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -34,12 +34,14 @@ const matchSymbols = buildString({
     0x0009FD,
     0x000A76,
     0x000AF0,
+    0x000C77,
     0x000C84,
     0x000DF4,
     0x000E4F,
     0x000F14,
     0x000F85,
     0x0010FB,
+    0x00166E,
     0x001CD3,
     0x002053,
     0x002D70,
@@ -74,8 +76,11 @@ const matchSymbols = buildString({
     0x01145D,
     0x0114C6,
     0x01183B,
+    0x0119E2,
+    0x011FFF,
     0x016AF5,
     0x016B44,
+    0x016FE2,
     0x01BC9F
   ],
   ranges: [
@@ -101,7 +106,6 @@ const matchSymbols = buildString({
     [0x000FD9, 0x000FDA],
     [0x00104A, 0x00104F],
     [0x001360, 0x001368],
-    [0x00166D, 0x00166E],
     [0x0016EB, 0x0016ED],
     [0x001735, 0x001736],
     [0x0017D4, 0x0017D6],
@@ -134,7 +138,7 @@ const matchSymbols = buildString({
     [0x002E2A, 0x002E2E],
     [0x002E30, 0x002E39],
     [0x002E3C, 0x002E3F],
-    [0x002E43, 0x002E4E],
+    [0x002E43, 0x002E4F],
     [0x003001, 0x003003],
     [0x00A4FE, 0x00A4FF],
     [0x00A60D, 0x00A60F],
@@ -287,7 +291,8 @@ const nonMatchSymbols = buildString({
     [0x000971, 0x0009FC],
     [0x0009FE, 0x000A75],
     [0x000A77, 0x000AEF],
-    [0x000AF1, 0x000C83],
+    [0x000AF1, 0x000C76],
+    [0x000C78, 0x000C83],
     [0x000C85, 0x000DF3],
     [0x000DF5, 0x000E4E],
     [0x000E50, 0x000E59],
@@ -298,7 +303,7 @@ const nonMatchSymbols = buildString({
     [0x000FDB, 0x001049],
     [0x001050, 0x0010FA],
     [0x0010FC, 0x00135F],
-    [0x001369, 0x00166C],
+    [0x001369, 0x00166D],
     [0x00166F, 0x0016EA],
     [0x0016EE, 0x001734],
     [0x001737, 0x0017D3],
@@ -327,7 +332,7 @@ const nonMatchSymbols = buildString({
     [0x002E1C, 0x002E1D],
     [0x002E20, 0x002E29],
     [0x002E3A, 0x002E3B],
-    [0x002E4F, 0x003000],
+    [0x002E50, 0x003000],
     [0x003004, 0x00303C],
     [0x00303E, 0x0030FA],
     [0x0030FC, 0x00A4FD],
@@ -392,18 +397,21 @@ const nonMatchSymbols = buildString({
     [0x011644, 0x01165F],
     [0x01166D, 0x01173B],
     [0x01173F, 0x01183A],
-    [0x01183C, 0x011A3E],
+    [0x01183C, 0x0119E1],
+    [0x0119E3, 0x011A3E],
     [0x011A47, 0x011A99],
     [0x011AA3, 0x011C40],
     [0x011C46, 0x011C6F],
     [0x011C72, 0x011EF6],
-    [0x011EF9, 0x01246F],
+    [0x011EF9, 0x011FFE],
+    [0x012000, 0x01246F],
     [0x012475, 0x016A6D],
     [0x016A70, 0x016AF4],
     [0x016AF6, 0x016B36],
     [0x016B3C, 0x016B43],
     [0x016B45, 0x016E96],
-    [0x016E9B, 0x01BC9E],
+    [0x016E9B, 0x016FE1],
+    [0x016FE3, 0x01BC9E],
     [0x01BCA0, 0x01DA86],
     [0x01DA8C, 0x01E95D],
     [0x01E960, 0x10FFFF]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Symbol.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Symbol.js
index ccab0af5c0..4ed811370a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Symbol.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Other_Symbol.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Other_Symbol`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -33,6 +33,7 @@ const matchSymbols = buildString({
     0x000F34,
     0x000F36,
     0x000F38,
+    0x00166D,
     0x001940,
     0x002114,
     0x002125,
@@ -55,8 +56,9 @@ const matchSymbols = buildString({
     0x016B45,
     0x01BC9C,
     0x01D245,
+    0x01E14F,
     0x01ECAC,
-    0x01F97A
+    0x01ED2E
   ],
   ranges: [
     [0x00058D, 0x00058E],
@@ -111,8 +113,7 @@ const matchSymbols = buildString({
     [0x002B45, 0x002B46],
     [0x002B4D, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
+    [0x002B98, 0x002BFF],
     [0x002CE5, 0x002CEA],
     [0x002E80, 0x002E99],
     [0x002E9B, 0x002EF3],
@@ -143,6 +144,8 @@ const matchSymbols = buildString({
     [0x010190, 0x01019B],
     [0x0101D0, 0x0101FC],
     [0x010877, 0x010878],
+    [0x011FD5, 0x011FDC],
+    [0x011FE1, 0x011FF1],
     [0x016B3C, 0x016B3F],
     [0x01D000, 0x01D0F5],
     [0x01D100, 0x01D126],
@@ -164,7 +167,7 @@ const matchSymbols = buildString({
     [0x01F0B1, 0x01F0BF],
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F202],
     [0x01F210, 0x01F23B],
@@ -172,25 +175,29 @@ const matchSymbols = buildString({
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
     [0x01F300, 0x01F3FA],
-    [0x01F400, 0x01F6D4],
+    [0x01F400, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
-    [0x01FA60, 0x01FA6D]
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
+    [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95]
   ]
 });
 testPropertyEscapes(
@@ -251,7 +258,6 @@ const nonMatchSymbols = buildString({
     0x0025B7,
     0x0025C1,
     0x00266F,
-    0x002BC9,
     0x002E9A,
     0x0032FF,
     0x00A838,
@@ -260,8 +266,8 @@ const nonMatchSymbols = buildString({
     0x01DA84,
     0x01F0C0,
     0x01F0D0,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -289,7 +295,8 @@ const nonMatchSymbols = buildString({
     [0x000FD0, 0x000FD4],
     [0x000FD9, 0x00109D],
     [0x0010A0, 0x00138F],
-    [0x00139A, 0x00193F],
+    [0x00139A, 0x00166C],
+    [0x00166E, 0x00193F],
     [0x001941, 0x0019DD],
     [0x001A00, 0x001B60],
     [0x001B6B, 0x001B73],
@@ -320,7 +327,7 @@ const nonMatchSymbols = buildString({
     [0x002B47, 0x002B4C],
     [0x002B74, 0x002B75],
     [0x002B96, 0x002B97],
-    [0x002BFF, 0x002CE4],
+    [0x002C00, 0x002CE4],
     [0x002CEB, 0x002E7F],
     [0x002EF4, 0x002EFF],
     [0x002FD6, 0x002FEF],
@@ -357,7 +364,9 @@ const nonMatchSymbols = buildString({
     [0x0101FD, 0x010876],
     [0x010879, 0x010AC7],
     [0x010AC9, 0x01173E],
-    [0x011740, 0x016B3B],
+    [0x011740, 0x011FD4],
+    [0x011FDD, 0x011FE0],
+    [0x011FF2, 0x016B3B],
     [0x016B40, 0x016B44],
     [0x016B46, 0x01BC9B],
     [0x01BC9D, 0x01CFFF],
@@ -373,13 +382,15 @@ const nonMatchSymbols = buildString({
     [0x01D357, 0x01D7FF],
     [0x01DA00, 0x01DA36],
     [0x01DA3B, 0x01DA6C],
-    [0x01DA87, 0x01ECAB],
-    [0x01ECAD, 0x01EFFF],
+    [0x01DA87, 0x01E14E],
+    [0x01E150, 0x01ECAB],
+    [0x01ECAD, 0x01ED2D],
+    [0x01ED2F, 0x01EFFF],
     [0x01F02C, 0x01F02F],
     [0x01F094, 0x01F09F],
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
@@ -387,24 +398,27 @@ const nonMatchSymbols = buildString({
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
     [0x01F3FB, 0x01F3FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x10FFFF]
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Paragraph_Separator.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Paragraph_Separator.js
index 96128b7bf0..0013bcb0fd 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Paragraph_Separator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Paragraph_Separator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Paragraph_Separator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Private_Use.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Private_Use.js
index 8b2a9bae5a..21995989d1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Private_Use.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Private_Use.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Private_Use`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Punctuation.js
index e1715d49a4..f083315eb1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -36,6 +36,7 @@ const matchSymbols = buildString({
     0x0009FD,
     0x000A76,
     0x000AF0,
+    0x000C77,
     0x000C84,
     0x000DF4,
     0x000E4F,
@@ -43,6 +44,7 @@ const matchSymbols = buildString({
     0x000F85,
     0x0010FB,
     0x001400,
+    0x00166E,
     0x001CD3,
     0x002D70,
     0x003030,
@@ -73,8 +75,11 @@ const matchSymbols = buildString({
     0x01145D,
     0x0114C6,
     0x01183B,
+    0x0119E2,
+    0x011FFF,
     0x016AF5,
     0x016B44,
+    0x016FE2,
     0x01BC9F
   ],
   ranges: [
@@ -103,7 +108,6 @@ const matchSymbols = buildString({
     [0x000FD9, 0x000FDA],
     [0x00104A, 0x00104F],
     [0x001360, 0x001368],
-    [0x00166D, 0x00166E],
     [0x00169B, 0x00169C],
     [0x0016EB, 0x0016ED],
     [0x001735, 0x001736],
@@ -136,7 +140,7 @@ const matchSymbols = buildString({
     [0x002CF9, 0x002CFC],
     [0x002CFE, 0x002CFF],
     [0x002E00, 0x002E2E],
-    [0x002E30, 0x002E4E],
+    [0x002E30, 0x002E4F],
     [0x003001, 0x003003],
     [0x003008, 0x003011],
     [0x003014, 0x00301F],
@@ -307,7 +311,8 @@ const nonMatchSymbols = buildString({
     [0x000971, 0x0009FC],
     [0x0009FE, 0x000A75],
     [0x000A77, 0x000AEF],
-    [0x000AF1, 0x000C83],
+    [0x000AF1, 0x000C76],
+    [0x000C78, 0x000C83],
     [0x000C85, 0x000DF3],
     [0x000DF5, 0x000E4E],
     [0x000E50, 0x000E59],
@@ -320,7 +325,7 @@ const nonMatchSymbols = buildString({
     [0x001050, 0x0010FA],
     [0x0010FC, 0x00135F],
     [0x001369, 0x0013FF],
-    [0x001401, 0x00166C],
+    [0x001401, 0x00166D],
     [0x00166F, 0x00169A],
     [0x00169D, 0x0016EA],
     [0x0016EE, 0x001734],
@@ -350,7 +355,7 @@ const nonMatchSymbols = buildString({
     [0x0029FE, 0x002CF8],
     [0x002D00, 0x002D6F],
     [0x002D71, 0x002DFF],
-    [0x002E4F, 0x003000],
+    [0x002E50, 0x003000],
     [0x003004, 0x003007],
     [0x003012, 0x003013],
     [0x003020, 0x00302F],
@@ -413,18 +418,21 @@ const nonMatchSymbols = buildString({
     [0x011644, 0x01165F],
     [0x01166D, 0x01173B],
     [0x01173F, 0x01183A],
-    [0x01183C, 0x011A3E],
+    [0x01183C, 0x0119E1],
+    [0x0119E3, 0x011A3E],
     [0x011A47, 0x011A99],
     [0x011AA3, 0x011C40],
     [0x011C46, 0x011C6F],
     [0x011C72, 0x011EF6],
-    [0x011EF9, 0x01246F],
+    [0x011EF9, 0x011FFE],
+    [0x012000, 0x01246F],
     [0x012475, 0x016A6D],
     [0x016A70, 0x016AF4],
     [0x016AF6, 0x016B36],
     [0x016B3C, 0x016B43],
     [0x016B45, 0x016E96],
-    [0x016E9B, 0x01BC9E],
+    [0x016E9B, 0x016FE1],
+    [0x016FE3, 0x01BC9E],
     [0x01BCA0, 0x01DA86],
     [0x01DA8C, 0x01E95D],
     [0x01E960, 0x10FFFF]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Separator.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Separator.js
index 94fb16c5d9..ff5e429ccf 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Separator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Separator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Separator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Space_Separator.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Space_Separator.js
index 8504cee771..0acefa123d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Space_Separator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Space_Separator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Space_Separator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Spacing_Mark.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Spacing_Mark.js
index 47c87d6955..b6ee105409 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Spacing_Mark.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Spacing_Mark.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Spacing_Mark`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -69,6 +69,7 @@ const matchSymbols = buildString({
     0x0116B6,
     0x011726,
     0x011838,
+    0x0119E4,
     0x011A39,
     0x011A97,
     0x011C2F,
@@ -136,7 +137,6 @@ const matchSymbols = buildString({
     [0x001BF2, 0x001BF3],
     [0x001C24, 0x001C2B],
     [0x001C34, 0x001C35],
-    [0x001CF2, 0x001CF3],
     [0x00302E, 0x00302F],
     [0x00A823, 0x00A824],
     [0x00A880, 0x00A881],
@@ -144,7 +144,7 @@ const matchSymbols = buildString({
     [0x00A952, 0x00A953],
     [0x00A9B4, 0x00A9B5],
     [0x00A9BA, 0x00A9BB],
-    [0x00A9BD, 0x00A9C0],
+    [0x00A9BE, 0x00A9C0],
     [0x00AA2F, 0x00AA30],
     [0x00AA33, 0x00AA34],
     [0x00AAEE, 0x00AAEF],
@@ -176,11 +176,13 @@ const matchSymbols = buildString({
     [0x0116AE, 0x0116AF],
     [0x011720, 0x011721],
     [0x01182C, 0x01182E],
+    [0x0119D1, 0x0119D3],
+    [0x0119DC, 0x0119DF],
     [0x011A57, 0x011A58],
     [0x011D8A, 0x011D8E],
     [0x011D93, 0x011D94],
     [0x011EF5, 0x011EF6],
-    [0x016F51, 0x016F7E],
+    [0x016F51, 0x016F87],
     [0x01D165, 0x01D166],
     [0x01D16D, 0x01D172]
   ]
@@ -233,7 +235,6 @@ const nonMatchSymbols = buildString({
     0x001B3C,
     0x001B42,
     0x001BED,
-    0x00A9BC,
     0x00AA7C,
     0x00ABE5,
     0x00ABE8,
@@ -319,8 +320,7 @@ const nonMatchSymbols = buildString({
     [0x001BF4, 0x001C23],
     [0x001C2C, 0x001C33],
     [0x001C36, 0x001CE0],
-    [0x001CE2, 0x001CF1],
-    [0x001CF4, 0x001CF6],
+    [0x001CE2, 0x001CF6],
     [0x001CF8, 0x00302D],
     [0x003030, 0x00A822],
     [0x00A825, 0x00A826],
@@ -330,6 +330,7 @@ const nonMatchSymbols = buildString({
     [0x00A954, 0x00A982],
     [0x00A984, 0x00A9B3],
     [0x00A9B6, 0x00A9B9],
+    [0x00A9BC, 0x00A9BD],
     [0x00A9C1, 0x00AA2E],
     [0x00AA31, 0x00AA32],
     [0x00AA35, 0x00AA4C],
@@ -374,7 +375,10 @@ const nonMatchSymbols = buildString({
     [0x011722, 0x011725],
     [0x011727, 0x01182B],
     [0x01182F, 0x011837],
-    [0x011839, 0x011A38],
+    [0x011839, 0x0119D0],
+    [0x0119D4, 0x0119DB],
+    [0x0119E0, 0x0119E3],
+    [0x0119E5, 0x011A38],
     [0x011A3A, 0x011A56],
     [0x011A59, 0x011A96],
     [0x011A98, 0x011C2E],
@@ -386,7 +390,7 @@ const nonMatchSymbols = buildString({
     [0x011D8F, 0x011D92],
     [0x011D97, 0x011EF4],
     [0x011EF7, 0x016F50],
-    [0x016F7F, 0x01D164],
+    [0x016F88, 0x01D164],
     [0x01D167, 0x01D16C],
     [0x01D173, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Surrogate.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Surrogate.js
index 4fafc1fc3a..134b3d111d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Surrogate.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Surrogate.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Surrogate`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Symbol.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Symbol.js
index 65870a7580..3026eb5150 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Symbol.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Symbol.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Symbol`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -44,6 +44,7 @@ const matchSymbols = buildString({
     0x000F34,
     0x000F36,
     0x000F38,
+    0x00166D,
     0x0017DB,
     0x001940,
     0x001FBD,
@@ -84,9 +85,11 @@ const matchSymbols = buildString({
     0x01D789,
     0x01D7A9,
     0x01D7C3,
+    0x01E14F,
+    0x01E2FF,
     0x01ECAC,
     0x01ECB0,
-    0x01F97A
+    0x01ED2E
   ],
   ranges: [
     [0x00003C, 0x00003E],
@@ -148,8 +151,7 @@ const matchSymbols = buildString({
     [0x0029DC, 0x0029FB],
     [0x0029FE, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
+    [0x002B98, 0x002BFF],
     [0x002CE5, 0x002CEA],
     [0x002E80, 0x002E99],
     [0x002E9B, 0x002EF3],
@@ -189,6 +191,7 @@ const matchSymbols = buildString({
     [0x010190, 0x01019B],
     [0x0101D0, 0x0101FC],
     [0x010877, 0x010878],
+    [0x011FD5, 0x011FF1],
     [0x016B3C, 0x016B3F],
     [0x01D000, 0x01D0F5],
     [0x01D100, 0x01D126],
@@ -211,32 +214,36 @@ const matchSymbols = buildString({
     [0x01F0B1, 0x01F0BF],
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
-    [0x01FA60, 0x01FA6D]
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
+    [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95]
   ]
 });
 testPropertyEscapes(
@@ -291,7 +298,6 @@ const nonMatchSymbols = buildString({
     0x002126,
     0x002128,
     0x00214E,
-    0x002BC9,
     0x002E9A,
     0x0032FF,
     0x00FE63,
@@ -303,8 +309,8 @@ const nonMatchSymbols = buildString({
     0x01DA84,
     0x01F0C0,
     0x01F0D0,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -352,7 +358,8 @@ const nonMatchSymbols = buildString({
     [0x000FD0, 0x000FD4],
     [0x000FD9, 0x00109D],
     [0x0010A0, 0x00138F],
-    [0x00139A, 0x0017DA],
+    [0x00139A, 0x00166C],
+    [0x00166E, 0x0017DA],
     [0x0017DC, 0x00193F],
     [0x001941, 0x0019DD],
     [0x001A00, 0x001B60],
@@ -389,7 +396,7 @@ const nonMatchSymbols = buildString({
     [0x0029FC, 0x0029FD],
     [0x002B74, 0x002B75],
     [0x002B96, 0x002B97],
-    [0x002BFF, 0x002CE4],
+    [0x002C00, 0x002CE4],
     [0x002CEB, 0x002E7F],
     [0x002EF4, 0x002EFF],
     [0x002FD6, 0x002FEF],
@@ -438,7 +445,8 @@ const nonMatchSymbols = buildString({
     [0x0101FD, 0x010876],
     [0x010879, 0x010AC7],
     [0x010AC9, 0x01173E],
-    [0x011740, 0x016B3B],
+    [0x011740, 0x011FD4],
+    [0x011FF2, 0x016B3B],
     [0x016B40, 0x016B44],
     [0x016B46, 0x01BC9B],
     [0x01BC9D, 0x01CFFF],
@@ -464,39 +472,45 @@ const nonMatchSymbols = buildString({
     [0x01D7C4, 0x01D7FF],
     [0x01DA00, 0x01DA36],
     [0x01DA3B, 0x01DA6C],
-    [0x01DA87, 0x01ECAB],
+    [0x01DA87, 0x01E14E],
+    [0x01E150, 0x01E2FE],
+    [0x01E300, 0x01ECAB],
     [0x01ECAD, 0x01ECAF],
-    [0x01ECB1, 0x01EEEF],
+    [0x01ECB1, 0x01ED2D],
+    [0x01ED2F, 0x01EEEF],
     [0x01EEF2, 0x01EFFF],
     [0x01F02C, 0x01F02F],
     [0x01F094, 0x01F09F],
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F24F],
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x10FFFF]
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Titlecase_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Titlecase_Letter.js
index 6f39612f68..8b7a20f77d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Titlecase_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Titlecase_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Titlecase_Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Unassigned.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Unassigned.js
index d9f198786a..401ba92d73 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Unassigned.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Unassigned.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Unassigned`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -80,13 +80,10 @@ const matchSymbols = buildString({
     0x000DD5,
     0x000DD7,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7,
     0x000F48,
@@ -121,8 +118,6 @@ const matchSymbols = buildString({
     0x001FFF,
     0x002065,
     0x00208F,
-    0x002BC9,
-    0x002BFF,
     0x002C2F,
     0x002C5F,
     0x002D26,
@@ -193,6 +188,7 @@ const matchSymbols = buildString({
     0x011D8F,
     0x011D92,
     0x01246F,
+    0x01342F,
     0x016A5F,
     0x016B5A,
     0x016B62,
@@ -241,8 +237,8 @@ const matchSymbols = buildString({
     0x01EEAA,
     0x01F0C0,
     0x01F0D0,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x000378, 0x000379],
@@ -307,7 +303,7 @@ const matchSymbols = buildString({
     [0x000C4E, 0x000C54],
     [0x000C5B, 0x000C5F],
     [0x000C64, 0x000C65],
-    [0x000C70, 0x000C77],
+    [0x000C70, 0x000C76],
     [0x000CBA, 0x000CBB],
     [0x000CCE, 0x000CD4],
     [0x000CD7, 0x000CDD],
@@ -325,10 +321,6 @@ const matchSymbols = buildString({
     [0x000DF5, 0x000E00],
     [0x000E3B, 0x000E3E],
     [0x000E5C, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
@@ -383,7 +375,7 @@ const matchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC8, 0x001CCF],
-    [0x001CFA, 0x001CFF],
+    [0x001CFB, 0x001CFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
     [0x001F46, 0x001F47],
@@ -406,7 +398,7 @@ const matchSymbols = buildString({
     [0x002D68, 0x002D6E],
     [0x002D71, 0x002D7E],
     [0x002D97, 0x002D9F],
-    [0x002E4F, 0x002E7F],
+    [0x002E50, 0x002E7F],
     [0x002EF4, 0x002EFF],
     [0x002FD6, 0x002FEF],
     [0x002FFC, 0x002FFF],
@@ -420,7 +412,8 @@ const matchSymbols = buildString({
     [0x00A4C7, 0x00A4CF],
     [0x00A62C, 0x00A63F],
     [0x00A6F8, 0x00A6FF],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A82C, 0x00A82F],
     [0x00A83A, 0x00A83F],
     [0x00A878, 0x00A87F],
@@ -437,7 +430,7 @@ const matchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABEE, 0x00ABEF],
     [0x00ABFA, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
@@ -520,7 +513,8 @@ const matchSymbols = buildString({
     [0x010D3A, 0x010E5F],
     [0x010E7F, 0x010EFF],
     [0x010F28, 0x010F2F],
-    [0x010F5A, 0x010FFF],
+    [0x010F5A, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x01104E, 0x011051],
     [0x011070, 0x01107E],
     [0x0110C2, 0x0110CC],
@@ -545,7 +539,7 @@ const matchSymbols = buildString({
     [0x011364, 0x011365],
     [0x01136D, 0x01136F],
     [0x011375, 0x0113FF],
-    [0x01145F, 0x01147F],
+    [0x011460, 0x01147F],
     [0x0114C8, 0x0114CF],
     [0x0114DA, 0x01157F],
     [0x0115B6, 0x0115B7],
@@ -553,16 +547,18 @@ const matchSymbols = buildString({
     [0x011645, 0x01164F],
     [0x01165A, 0x01165F],
     [0x01166D, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x0116FF],
     [0x01171B, 0x01171C],
     [0x01172C, 0x01172F],
     [0x011740, 0x0117FF],
     [0x01183C, 0x01189F],
     [0x0118F3, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x0119FF],
     [0x011A48, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011AA3, 0x011ABF],
     [0x011AF9, 0x011BFF],
     [0x011C46, 0x011C4F],
@@ -574,11 +570,12 @@ const matchSymbols = buildString({
     [0x011D5A, 0x011D5F],
     [0x011D99, 0x011D9F],
     [0x011DAA, 0x011EDF],
-    [0x011EF9, 0x011FFF],
+    [0x011EF9, 0x011FBF],
+    [0x011FF2, 0x011FFE],
     [0x01239A, 0x0123FF],
     [0x012475, 0x01247F],
     [0x012544, 0x012FFF],
-    [0x01342F, 0x0143FF],
+    [0x013439, 0x0143FF],
     [0x014647, 0x0167FF],
     [0x016A39, 0x016A3F],
     [0x016A6A, 0x016A6D],
@@ -589,13 +586,15 @@ const matchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E9B, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -619,13 +618,20 @@ const matchSymbols = buildString({
     [0x01DA8C, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E7FF],
+    [0x01E02B, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E150, 0x01E2BF],
+    [0x01E2FA, 0x01E2FE],
+    [0x01E300, 0x01E7FF],
     [0x01E8C5, 0x01E8C6],
     [0x01E8D7, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01E95D],
     [0x01E960, 0x01EC70],
-    [0x01ECB5, 0x01EDFF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
@@ -639,31 +645,34 @@ const matchSymbols = buildString({
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F0FF],
     [0x01F10D, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F24F],
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x01FFFF],
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x01FFFF],
     [0x02A6D7, 0x02A6FF],
     [0x02B735, 0x02B73F],
     [0x02B81E, 0x02B81F],
@@ -726,10 +735,7 @@ const nonMatchSymbols = buildString({
     0x000DCA,
     0x000DD6,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6,
     0x0010C7,
     0x0010CD,
@@ -758,6 +764,7 @@ const nonMatchSymbols = buildString({
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E2FF,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -774,7 +781,6 @@ const nonMatchSymbols = buildString({
     0x01EE5F,
     0x01EE64,
     0x01EE7E,
-    0x01F97A,
     0x0E0001
   ],
   ranges: [
@@ -877,7 +883,7 @@ const nonMatchSymbols = buildString({
     [0x000C58, 0x000C5A],
     [0x000C60, 0x000C63],
     [0x000C66, 0x000C6F],
-    [0x000C78, 0x000C8C],
+    [0x000C77, 0x000C8C],
     [0x000C8E, 0x000C90],
     [0x000C92, 0x000CA8],
     [0x000CAA, 0x000CB3],
@@ -909,13 +915,9 @@ const nonMatchSymbols = buildString({
     [0x000E01, 0x000E3A],
     [0x000E3F, 0x000E5B],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -985,7 +987,7 @@ const nonMatchSymbols = buildString({
     [0x001C4D, 0x001C88],
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CC7],
-    [0x001CD0, 0x001CF9],
+    [0x001CD0, 0x001CFA],
     [0x001D00, 0x001DF9],
     [0x001DFB, 0x001F15],
     [0x001F18, 0x001F1D],
@@ -1011,9 +1013,7 @@ const nonMatchSymbols = buildString({
     [0x002440, 0x00244A],
     [0x002460, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
-    [0x002C00, 0x002C2E],
+    [0x002B98, 0x002C2E],
     [0x002C30, 0x002C5E],
     [0x002C60, 0x002CF3],
     [0x002CF9, 0x002D25],
@@ -1028,7 +1028,7 @@ const nonMatchSymbols = buildString({
     [0x002DC8, 0x002DCE],
     [0x002DD0, 0x002DD6],
     [0x002DD8, 0x002DDE],
-    [0x002DE0, 0x002E4E],
+    [0x002DE0, 0x002E4F],
     [0x002E80, 0x002E99],
     [0x002E9B, 0x002EF3],
     [0x002F00, 0x002FD5],
@@ -1048,7 +1048,8 @@ const nonMatchSymbols = buildString({
     [0x00A490, 0x00A4C6],
     [0x00A4D0, 0x00A62B],
     [0x00A640, 0x00A6F7],
-    [0x00A700, 0x00A7B9],
+    [0x00A700, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A82B],
     [0x00A830, 0x00A839],
     [0x00A840, 0x00A877],
@@ -1069,7 +1070,7 @@ const nonMatchSymbols = buildString({
     [0x00AB11, 0x00AB16],
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
-    [0x00AB30, 0x00AB65],
+    [0x00AB30, 0x00AB67],
     [0x00AB70, 0x00ABED],
     [0x00ABF0, 0x00ABF9],
     [0x00AC00, 0x00D7A3],
@@ -1170,6 +1171,7 @@ const nonMatchSymbols = buildString({
     [0x010E60, 0x010E7E],
     [0x010F00, 0x010F27],
     [0x010F30, 0x010F59],
+    [0x010FE0, 0x010FF6],
     [0x011000, 0x01104D],
     [0x011052, 0x01106F],
     [0x01107F, 0x0110C1],
@@ -1203,7 +1205,7 @@ const nonMatchSymbols = buildString({
     [0x011366, 0x01136C],
     [0x011370, 0x011374],
     [0x011400, 0x011459],
-    [0x01145D, 0x01145E],
+    [0x01145D, 0x01145F],
     [0x011480, 0x0114C7],
     [0x0114D0, 0x0114D9],
     [0x011580, 0x0115B5],
@@ -1211,16 +1213,18 @@ const nonMatchSymbols = buildString({
     [0x011600, 0x011644],
     [0x011650, 0x011659],
     [0x011660, 0x01166C],
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9],
     [0x011700, 0x01171A],
     [0x01171D, 0x01172B],
     [0x011730, 0x01173F],
     [0x011800, 0x01183B],
     [0x0118A0, 0x0118F2],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E4],
     [0x011A00, 0x011A47],
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011AA2],
+    [0x011A50, 0x011AA2],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C36],
@@ -1242,11 +1246,13 @@ const nonMatchSymbols = buildString({
     [0x011D93, 0x011D98],
     [0x011DA0, 0x011DA9],
     [0x011EE0, 0x011EF8],
-    [0x012000, 0x012399],
+    [0x011FC0, 0x011FF1],
+    [0x011FFF, 0x012399],
     [0x012400, 0x01246E],
     [0x012470, 0x012474],
     [0x012480, 0x012543],
     [0x013000, 0x01342E],
+    [0x013430, 0x013438],
     [0x014400, 0x014646],
     [0x016800, 0x016A38],
     [0x016A40, 0x016A5E],
@@ -1260,13 +1266,15 @@ const nonMatchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E9A],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F],
-    [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x016FE0, 0x016FE3],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -1305,12 +1313,18 @@ const nonMatchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E14E, 0x01E14F],
+    [0x01E2C0, 0x01E2F9],
     [0x01E800, 0x01E8C4],
     [0x01E8C7, 0x01E8D6],
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01E95E, 0x01E95F],
     [0x01EC71, 0x01ECB4],
+    [0x01ED01, 0x01ED3D],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
     [0x01EE21, 0x01EE22],
@@ -1336,32 +1350,36 @@ const nonMatchSymbols = buildString({
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
     [0x01F100, 0x01F10C],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
     [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95],
     [0x020000, 0x02A6D6],
     [0x02A700, 0x02B734],
     [0x02B740, 0x02B81D],
diff --git a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Uppercase_Letter.js b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Uppercase_Letter.js
index 26ea811d2f..f5ccd072bf 100644
--- a/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Uppercase_Letter.js
+++ b/test/built-ins/RegExp/property-escapes/generated/General_Category_-_Uppercase_Letter.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `General_Category=Uppercase_Letter`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -551,6 +551,10 @@ const matchSymbols = buildString({
     0x00A7A8,
     0x00A7B6,
     0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
+    0x00A7C2,
     0x01D49C,
     0x01D4A2,
     0x01D546,
@@ -614,6 +618,7 @@ const matchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
+    [0x00A7C4, 0x00A7C6],
     [0x00FF21, 0x00FF3A],
     [0x010400, 0x010427],
     [0x0104B0, 0x0104D3],
@@ -1198,6 +1203,10 @@ const nonMatchSymbols = buildString({
     0x00A7AF,
     0x00A7B5,
     0x00A7B7,
+    0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7C3,
     0x01D49D,
     0x01D4AD,
     0x01D506,
@@ -1286,7 +1295,8 @@ const nonMatchSymbols = buildString({
     [0x00A787, 0x00A78A],
     [0x00A78E, 0x00A78F],
     [0x00A793, 0x00A795],
-    [0x00A7B9, 0x00DBFF],
+    [0x00A7BF, 0x00A7C1],
+    [0x00A7C7, 0x00DBFF],
     [0x00E000, 0x00FF20],
     [0x00FF3B, 0x0103FF],
     [0x010428, 0x0104AF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Grapheme_Base.js b/test/built-ins/RegExp/property-escapes/generated/Grapheme_Base.js
index b572a0c3f4..c87f2295e2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Grapheme_Base.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Grapheme_Base.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Grapheme_Base`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -51,10 +51,7 @@ const matchSymbols = buildString({
     0x000D3D,
     0x000DBD,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EBD,
     0x000EC6,
     0x000F36,
@@ -72,13 +69,13 @@ const matchSymbols = buildString({
     0x001940,
     0x001A57,
     0x001A61,
-    0x001B35,
     0x001B3B,
     0x001BAA,
     0x001BE7,
     0x001BEE,
     0x001CD3,
     0x001CE1,
+    0x001CFA,
     0x001F59,
     0x001F5B,
     0x001F5D,
@@ -107,6 +104,7 @@ const matchSymbols = buildString({
     0x011445,
     0x01145B,
     0x01145D,
+    0x01145F,
     0x0114B9,
     0x0114BE,
     0x0114C1,
@@ -114,6 +112,7 @@ const matchSymbols = buildString({
     0x01163E,
     0x0116AC,
     0x0116B6,
+    0x0116B8,
     0x011726,
     0x011838,
     0x01183B,
@@ -136,6 +135,8 @@ const matchSymbols = buildString({
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E2FF,
+    0x01E94B,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -151,8 +152,7 @@ const matchSymbols = buildString({
     0x01EE5D,
     0x01EE5F,
     0x01EE64,
-    0x01EE7E,
-    0x01F97A
+    0x01EE7E
   ],
   ranges: [
     [0x000020, 0x00007E],
@@ -257,7 +257,7 @@ const matchSymbols = buildString({
     [0x000C58, 0x000C5A],
     [0x000C60, 0x000C61],
     [0x000C66, 0x000C6F],
-    [0x000C78, 0x000C80],
+    [0x000C77, 0x000C80],
     [0x000C82, 0x000C8C],
     [0x000C8E, 0x000C90],
     [0x000C92, 0x000CA8],
@@ -296,12 +296,9 @@ const matchSymbols = buildString({
     [0x000E3F, 0x000E46],
     [0x000E4F, 0x000E5B],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB0],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EB0],
     [0x000EB2, 0x000EB3],
     [0x000EC0, 0x000EC4],
     [0x000ED0, 0x000ED9],
@@ -426,9 +423,7 @@ const matchSymbols = buildString({
     [0x002440, 0x00244A],
     [0x002460, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
-    [0x002C00, 0x002C2E],
+    [0x002B98, 0x002C2E],
     [0x002C30, 0x002C5E],
     [0x002C60, 0x002CEE],
     [0x002CF2, 0x002CF3],
@@ -444,7 +439,7 @@ const matchSymbols = buildString({
     [0x002DC8, 0x002DCE],
     [0x002DD0, 0x002DD6],
     [0x002DD8, 0x002DDE],
-    [0x002E00, 0x002E4E],
+    [0x002E00, 0x002E4F],
     [0x002E80, 0x002E99],
     [0x002E9B, 0x002EF3],
     [0x002F00, 0x002FD5],
@@ -468,7 +463,8 @@ const matchSymbols = buildString({
     [0x00A67E, 0x00A69D],
     [0x00A6A0, 0x00A6EF],
     [0x00A6F2, 0x00A6F7],
-    [0x00A700, 0x00A7B9],
+    [0x00A700, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A801],
     [0x00A803, 0x00A805],
     [0x00A807, 0x00A80A],
@@ -486,7 +482,7 @@ const matchSymbols = buildString({
     [0x00A983, 0x00A9B2],
     [0x00A9B4, 0x00A9B5],
     [0x00A9BA, 0x00A9BB],
-    [0x00A9BD, 0x00A9CD],
+    [0x00A9BE, 0x00A9CD],
     [0x00A9CF, 0x00A9D9],
     [0x00A9DE, 0x00A9E4],
     [0x00A9E6, 0x00A9FE],
@@ -507,7 +503,7 @@ const matchSymbols = buildString({
     [0x00AB11, 0x00AB16],
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
-    [0x00AB30, 0x00AB65],
+    [0x00AB30, 0x00AB67],
     [0x00AB70, 0x00ABE4],
     [0x00ABE6, 0x00ABE7],
     [0x00ABE9, 0x00ABEC],
@@ -609,6 +605,7 @@ const matchSymbols = buildString({
     [0x010F00, 0x010F27],
     [0x010F30, 0x010F45],
     [0x010F51, 0x010F59],
+    [0x010FE0, 0x010FF6],
     [0x011002, 0x011037],
     [0x011047, 0x01104D],
     [0x011052, 0x01106F],
@@ -673,12 +670,15 @@ const matchSymbols = buildString({
     [0x011730, 0x01173F],
     [0x011800, 0x01182E],
     [0x0118A0, 0x0118F2],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D3],
+    [0x0119DC, 0x0119DF],
+    [0x0119E1, 0x0119E4],
     [0x011A0B, 0x011A32],
     [0x011A39, 0x011A3A],
     [0x011A3F, 0x011A46],
     [0x011A57, 0x011A58],
-    [0x011A5C, 0x011A83],
-    [0x011A86, 0x011A89],
+    [0x011A5C, 0x011A89],
     [0x011A9A, 0x011AA2],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
@@ -697,7 +697,8 @@ const matchSymbols = buildString({
     [0x011DA0, 0x011DA9],
     [0x011EE0, 0x011EF2],
     [0x011EF5, 0x011EF8],
-    [0x012000, 0x012399],
+    [0x011FC0, 0x011FF1],
+    [0x011FFF, 0x012399],
     [0x012400, 0x01246E],
     [0x012470, 0x012474],
     [0x012480, 0x012543],
@@ -715,13 +716,15 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E9A],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F50, 0x016F87],
     [0x016F93, 0x016F9F],
-    [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x016FE0, 0x016FE3],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -760,12 +763,19 @@ const matchSymbols = buildString({
     [0x01DA6D, 0x01DA74],
     [0x01DA76, 0x01DA83],
     [0x01DA85, 0x01DA8B],
+    [0x01E100, 0x01E12C],
+    [0x01E137, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E14E, 0x01E14F],
+    [0x01E2C0, 0x01E2EB],
+    [0x01E2F0, 0x01E2F9],
     [0x01E800, 0x01E8C4],
     [0x01E8C7, 0x01E8CF],
     [0x01E900, 0x01E943],
     [0x01E950, 0x01E959],
     [0x01E95E, 0x01E95F],
     [0x01EC71, 0x01ECB4],
+    [0x01ED01, 0x01ED3D],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
     [0x01EE21, 0x01EE22],
@@ -791,32 +801,36 @@ const matchSymbols = buildString({
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
     [0x01F100, 0x01F10C],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
     [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95],
     [0x020000, 0x02A6D6],
     [0x02A700, 0x02B734],
     [0x02B740, 0x02B81D],
@@ -910,12 +924,10 @@ const nonMatchSymbols = buildString({
     0x000DBC,
     0x000E31,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
     0x000EB1,
     0x000EC5,
     0x000F35,
@@ -944,7 +956,6 @@ const nonMatchSymbols = buildString({
     0x001932,
     0x001A56,
     0x001A62,
-    0x001B34,
     0x001B3C,
     0x001B42,
     0x001BE6,
@@ -961,8 +972,6 @@ const nonMatchSymbols = buildString({
     0x001FF5,
     0x001FFF,
     0x00208F,
-    0x002BC9,
-    0x002BFF,
     0x002C2F,
     0x002C5F,
     0x002D26,
@@ -984,7 +993,6 @@ const nonMatchSymbols = buildString({
     0x00A80B,
     0x00A8FF,
     0x00A9B3,
-    0x00A9BC,
     0x00A9CE,
     0x00A9E5,
     0x00A9FF,
@@ -1039,6 +1047,7 @@ const nonMatchSymbols = buildString({
     0x011446,
     0x01145A,
     0x01145C,
+    0x01145E,
     0x0114B0,
     0x0114BA,
     0x0114BD,
@@ -1046,6 +1055,8 @@ const nonMatchSymbols = buildString({
     0x01163D,
     0x0116AB,
     0x0116AD,
+    0x0116B7,
+    0x0119E0,
     0x011C09,
     0x011C3F,
     0x011D07,
@@ -1102,8 +1113,8 @@ const nonMatchSymbols = buildString({
     0x01EEAA,
     0x01F0C0,
     0x01F0D0,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -1191,7 +1202,7 @@ const nonMatchSymbols = buildString({
     [0x000C45, 0x000C57],
     [0x000C5B, 0x000C5F],
     [0x000C62, 0x000C65],
-    [0x000C70, 0x000C77],
+    [0x000C70, 0x000C76],
     [0x000CBA, 0x000CBC],
     [0x000CC5, 0x000CC6],
     [0x000CCC, 0x000CDD],
@@ -1212,10 +1223,6 @@ const nonMatchSymbols = buildString({
     [0x000E34, 0x000E3E],
     [0x000E47, 0x000E4E],
     [0x000E5C, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EB4, 0x000EBC],
     [0x000EBE, 0x000EBF],
     [0x000EC7, 0x000ECF],
@@ -1285,7 +1292,7 @@ const nonMatchSymbols = buildString({
     [0x001A8A, 0x001A8F],
     [0x001A9A, 0x001A9F],
     [0x001AAE, 0x001B03],
-    [0x001B36, 0x001B3A],
+    [0x001B34, 0x001B3A],
     [0x001B4C, 0x001B4F],
     [0x001B6B, 0x001B73],
     [0x001B7D, 0x001B81],
@@ -1303,7 +1310,8 @@ const nonMatchSymbols = buildString({
     [0x001CC8, 0x001CD2],
     [0x001CD4, 0x001CE0],
     [0x001CE2, 0x001CE8],
-    [0x001CF8, 0x001CFF],
+    [0x001CF8, 0x001CF9],
+    [0x001CFB, 0x001CFF],
     [0x001DC0, 0x001DFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
@@ -1331,7 +1339,7 @@ const nonMatchSymbols = buildString({
     [0x002D71, 0x002D7F],
     [0x002D97, 0x002D9F],
     [0x002DDF, 0x002DFF],
-    [0x002E4F, 0x002E7F],
+    [0x002E50, 0x002E7F],
     [0x002EF4, 0x002EFF],
     [0x002FD6, 0x002FEF],
     [0x002FFC, 0x002FFF],
@@ -1350,7 +1358,8 @@ const nonMatchSymbols = buildString({
     [0x00A69E, 0x00A69F],
     [0x00A6F0, 0x00A6F1],
     [0x00A6F8, 0x00A6FF],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A825, 0x00A826],
     [0x00A82C, 0x00A82F],
     [0x00A83A, 0x00A83F],
@@ -1362,6 +1371,7 @@ const nonMatchSymbols = buildString({
     [0x00A954, 0x00A95E],
     [0x00A97D, 0x00A982],
     [0x00A9B6, 0x00A9B9],
+    [0x00A9BC, 0x00A9BD],
     [0x00A9DA, 0x00A9DD],
     [0x00AA29, 0x00AA2E],
     [0x00AA31, 0x00AA32],
@@ -1377,7 +1387,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABED, 0x00ABEF],
     [0x00ABFA, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
@@ -1462,7 +1472,8 @@ const nonMatchSymbols = buildString({
     [0x010E7F, 0x010EFF],
     [0x010F28, 0x010F2F],
     [0x010F46, 0x010F50],
-    [0x010F5A, 0x010FFF],
+    [0x010F5A, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x011038, 0x011046],
     [0x01104E, 0x011051],
     [0x011070, 0x011081],
@@ -1495,7 +1506,7 @@ const nonMatchSymbols = buildString({
     [0x011364, 0x0113FF],
     [0x011438, 0x01143F],
     [0x011442, 0x011444],
-    [0x01145E, 0x01147F],
+    [0x011460, 0x01147F],
     [0x0114B3, 0x0114B8],
     [0x0114BF, 0x0114C0],
     [0x0114C2, 0x0114C3],
@@ -1511,7 +1522,7 @@ const nonMatchSymbols = buildString({
     [0x01165A, 0x01165F],
     [0x01166D, 0x01167F],
     [0x0116B0, 0x0116B5],
-    [0x0116B7, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x0116FF],
     [0x01171B, 0x01171F],
     [0x011722, 0x011725],
@@ -1521,14 +1532,16 @@ const nonMatchSymbols = buildString({
     [0x011839, 0x01183A],
     [0x01183C, 0x01189F],
     [0x0118F3, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D4, 0x0119DB],
+    [0x0119E5, 0x0119FF],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A38],
     [0x011A3B, 0x011A3E],
     [0x011A47, 0x011A4F],
     [0x011A51, 0x011A56],
     [0x011A59, 0x011A5B],
-    [0x011A84, 0x011A85],
     [0x011A8A, 0x011A96],
     [0x011A98, 0x011A99],
     [0x011AA3, 0x011ABF],
@@ -1547,7 +1560,8 @@ const nonMatchSymbols = buildString({
     [0x011D99, 0x011D9F],
     [0x011DAA, 0x011EDF],
     [0x011EF3, 0x011EF4],
-    [0x011EF9, 0x011FFF],
+    [0x011EF9, 0x011FBF],
+    [0x011FF2, 0x011FFE],
     [0x01239A, 0x0123FF],
     [0x012475, 0x01247F],
     [0x012544, 0x012FFF],
@@ -1563,13 +1577,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E9B, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F92],
+    [0x016F4B, 0x016F4F],
+    [0x016F88, 0x016F92],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1598,13 +1614,22 @@ const nonMatchSymbols = buildString({
     [0x01D7CC, 0x01D7CD],
     [0x01DA00, 0x01DA36],
     [0x01DA3B, 0x01DA6C],
-    [0x01DA8C, 0x01E7FF],
+    [0x01DA8C, 0x01E0FF],
+    [0x01E12D, 0x01E136],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E150, 0x01E2BF],
+    [0x01E2EC, 0x01E2EF],
+    [0x01E2FA, 0x01E2FE],
+    [0x01E300, 0x01E7FF],
     [0x01E8C5, 0x01E8C6],
     [0x01E8D0, 0x01E8FF],
-    [0x01E944, 0x01E94F],
+    [0x01E944, 0x01E94A],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01E95D],
     [0x01E960, 0x01EC70],
-    [0x01ECB5, 0x01EDFF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
@@ -1618,31 +1643,34 @@ const nonMatchSymbols = buildString({
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F0FF],
     [0x01F10D, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F24F],
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x01FFFF],
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x01FFFF],
     [0x02A6D7, 0x02A6FF],
     [0x02B735, 0x02B73F],
     [0x02B81E, 0x02B81F],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Grapheme_Extend.js b/test/built-ins/RegExp/property-escapes/generated/Grapheme_Extend.js
index 47bc453ece..6ade84ae07 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Grapheme_Extend.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Grapheme_Extend.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Grapheme_Extend`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -74,7 +74,6 @@ const matchSymbols = buildString({
     0x001A60,
     0x001A62,
     0x001A7F,
-    0x001B34,
     0x001B3C,
     0x001B42,
     0x001BE6,
@@ -88,7 +87,6 @@ const matchSymbols = buildString({
     0x00A80B,
     0x00A8FF,
     0x00A9B3,
-    0x00A9BC,
     0x00A9E5,
     0x00AA43,
     0x00AA4C,
@@ -121,12 +119,14 @@ const matchSymbols = buildString({
     0x0116AB,
     0x0116AD,
     0x0116B7,
+    0x0119E0,
     0x011A47,
     0x011C3F,
     0x011D3A,
     0x011D47,
     0x011D95,
     0x011D97,
+    0x016F4F,
     0x01D165,
     0x01DA75,
     0x01DA84
@@ -187,8 +187,7 @@ const matchSymbols = buildString({
     [0x000DD2, 0x000DD4],
     [0x000E34, 0x000E3A],
     [0x000E47, 0x000E4E],
-    [0x000EB4, 0x000EB9],
-    [0x000EBB, 0x000EBC],
+    [0x000EB4, 0x000EBC],
     [0x000EC8, 0x000ECD],
     [0x000F18, 0x000F19],
     [0x000F71, 0x000F7E],
@@ -223,7 +222,7 @@ const matchSymbols = buildString({
     [0x001A73, 0x001A7C],
     [0x001AB0, 0x001ABE],
     [0x001B00, 0x001B03],
-    [0x001B36, 0x001B3A],
+    [0x001B34, 0x001B3A],
     [0x001B6B, 0x001B73],
     [0x001B80, 0x001B81],
     [0x001BA2, 0x001BA5],
@@ -255,6 +254,7 @@ const matchSymbols = buildString({
     [0x00A947, 0x00A951],
     [0x00A980, 0x00A982],
     [0x00A9B6, 0x00A9B9],
+    [0x00A9BC, 0x00A9BD],
     [0x00AA29, 0x00AA2E],
     [0x00AA31, 0x00AA32],
     [0x00AA35, 0x00AA36],
@@ -307,6 +307,8 @@ const matchSymbols = buildString({
     [0x011727, 0x01172B],
     [0x01182F, 0x011837],
     [0x011839, 0x01183A],
+    [0x0119D4, 0x0119D7],
+    [0x0119DA, 0x0119DB],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A38],
     [0x011A3B, 0x011A3E],
@@ -344,6 +346,8 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E130, 0x01E136],
+    [0x01E2EC, 0x01E2EF],
     [0x01E8D0, 0x01E8D6],
     [0x01E944, 0x01E94A],
     [0x0E0020, 0x0E007F],
@@ -382,7 +386,6 @@ const nonMatchSymbols = buildString({
     0x000C49,
     0x000D3D,
     0x000DD5,
-    0x000EBA,
     0x000F36,
     0x000F38,
     0x000F7F,
@@ -394,7 +397,6 @@ const nonMatchSymbols = buildString({
     0x001A57,
     0x001A5F,
     0x001A61,
-    0x001B35,
     0x001B3B,
     0x001BAA,
     0x001BE7,
@@ -594,7 +596,7 @@ const nonMatchSymbols = buildString({
     [0x00A983, 0x00A9B2],
     [0x00A9B4, 0x00A9B5],
     [0x00A9BA, 0x00A9BB],
-    [0x00A9BD, 0x00A9E4],
+    [0x00A9BE, 0x00A9E4],
     [0x00A9E6, 0x00AA28],
     [0x00AA2F, 0x00AA30],
     [0x00AA33, 0x00AA34],
@@ -662,7 +664,10 @@ const nonMatchSymbols = buildString({
     [0x0116B8, 0x01171C],
     [0x011720, 0x011721],
     [0x01172C, 0x01182E],
-    [0x01183B, 0x011A00],
+    [0x01183B, 0x0119D3],
+    [0x0119D8, 0x0119D9],
+    [0x0119DC, 0x0119DF],
+    [0x0119E1, 0x011A00],
     [0x011A0B, 0x011A32],
     [0x011A39, 0x011A3A],
     [0x011A3F, 0x011A46],
@@ -679,7 +684,8 @@ const nonMatchSymbols = buildString({
     [0x011D98, 0x011EF2],
     [0x011EF5, 0x016AEF],
     [0x016AF5, 0x016B2F],
-    [0x016B37, 0x016F8E],
+    [0x016B37, 0x016F4E],
+    [0x016F50, 0x016F8E],
     [0x016F93, 0x01BC9C],
     [0x01BC9F, 0x01D164],
     [0x01D16A, 0x01D16D],
@@ -694,7 +700,9 @@ const nonMatchSymbols = buildString({
     [0x01DA85, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E8CF],
+    [0x01E02B, 0x01E12F],
+    [0x01E137, 0x01E2EB],
+    [0x01E2F0, 0x01E8CF],
     [0x01E8D7, 0x01E943],
     [0x01E94B, 0x0E001F],
     [0x0E0080, 0x0E00FF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Hex_Digit.js b/test/built-ins/RegExp/property-escapes/generated/Hex_Digit.js
index c77fa59553..ac1e40cd03 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Hex_Digit.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Hex_Digit.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Hex_Digit`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/IDS_Binary_Operator.js b/test/built-ins/RegExp/property-escapes/generated/IDS_Binary_Operator.js
index 9255017039..e218cbea6f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/IDS_Binary_Operator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/IDS_Binary_Operator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `IDS_Binary_Operator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/IDS_Trinary_Operator.js b/test/built-ins/RegExp/property-escapes/generated/IDS_Trinary_Operator.js
index c9f0057097..0989ee6524 100644
--- a/test/built-ins/RegExp/property-escapes/generated/IDS_Trinary_Operator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/IDS_Trinary_Operator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `IDS_Trinary_Operator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/ID_Continue.js b/test/built-ins/RegExp/property-escapes/generated/ID_Continue.js
index c33e185e5a..1abf75ef33 100644
--- a/test/built-ins/RegExp/property-escapes/generated/ID_Continue.js
+++ b/test/built-ins/RegExp/property-escapes/generated/ID_Continue.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `ID_Continue`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -47,10 +47,7 @@ const matchSymbols = buildString({
     0x000DCA,
     0x000DD6,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6,
     0x000F00,
     0x000F35,
@@ -96,18 +93,19 @@ const matchSymbols = buildString({
     0x011288,
     0x011350,
     0x011357,
-    0x01145E,
     0x0114C7,
     0x011644,
     0x0118FF,
     0x011A47,
     0x011A9D,
     0x011D3A,
+    0x016FE3,
     0x01D4A2,
     0x01D4BB,
     0x01D546,
     0x01DA75,
     0x01DA84,
+    0x01E14E,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -279,13 +277,9 @@ const matchSymbols = buildString({
     [0x000E40, 0x000E4E],
     [0x000E50, 0x000E59],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -365,7 +359,7 @@ const matchSymbols = buildString({
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CBF],
     [0x001CD0, 0x001CD2],
-    [0x001CD4, 0x001CF9],
+    [0x001CD4, 0x001CFA],
     [0x001D00, 0x001DF9],
     [0x001DFB, 0x001F15],
     [0x001F18, 0x001F1D],
@@ -431,7 +425,8 @@ const matchSymbols = buildString({
     [0x00A67F, 0x00A6F1],
     [0x00A717, 0x00A71F],
     [0x00A722, 0x00A788],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A827],
     [0x00A840, 0x00A873],
     [0x00A880, 0x00A8C5],
@@ -457,7 +452,7 @@ const matchSymbols = buildString({
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABEA],
     [0x00ABEC, 0x00ABED],
     [0x00ABF0, 0x00ABF9],
@@ -551,6 +546,7 @@ const matchSymbols = buildString({
     [0x010D30, 0x010D39],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F50],
+    [0x010FE0, 0x010FF6],
     [0x011000, 0x011046],
     [0x011066, 0x01106F],
     [0x01107F, 0x0110BA],
@@ -586,6 +582,7 @@ const matchSymbols = buildString({
     [0x011370, 0x011374],
     [0x011400, 0x01144A],
     [0x011450, 0x011459],
+    [0x01145E, 0x01145F],
     [0x011480, 0x0114C5],
     [0x0114D0, 0x0114D9],
     [0x011580, 0x0115B5],
@@ -593,16 +590,19 @@ const matchSymbols = buildString({
     [0x0115D8, 0x0115DD],
     [0x011600, 0x011640],
     [0x011650, 0x011659],
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9],
     [0x011700, 0x01171A],
     [0x01171D, 0x01172B],
     [0x011730, 0x011739],
     [0x011800, 0x01183A],
     [0x0118A0, 0x0118E9],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E1],
+    [0x0119E3, 0x0119E4],
     [0x011A00, 0x011A3E],
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011A99],
+    [0x011A50, 0x011A99],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C36],
@@ -640,13 +640,15 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E7F],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F],
     [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -696,9 +698,13 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E2C0, 0x01E2F9],
     [0x01E800, 0x01E8C4],
     [0x01E8D0, 0x01E8D6],
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
@@ -820,13 +826,10 @@ const nonMatchSymbols = buildString({
     0x000DD7,
     0x000E4F,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7,
     0x000F36,
@@ -920,6 +923,7 @@ const nonMatchSymbols = buildString({
     0x011334,
     0x01133A,
     0x0114C6,
+    0x0119E2,
     0x011C09,
     0x011C37,
     0x011CA8,
@@ -932,6 +936,7 @@ const nonMatchSymbols = buildString({
     0x011D8F,
     0x011D92,
     0x016A5F,
+    0x016FE2,
     0x01D455,
     0x01D49D,
     0x01D4AD,
@@ -1092,10 +1097,6 @@ const nonMatchSymbols = buildString({
     [0x000DF4, 0x000E00],
     [0x000E3B, 0x000E3F],
     [0x000E5A, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
@@ -1163,7 +1164,7 @@ const nonMatchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001CCF],
-    [0x001CFA, 0x001CFF],
+    [0x001CFB, 0x001CFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
     [0x001F46, 0x001F47],
@@ -1218,7 +1219,8 @@ const nonMatchSymbols = buildString({
     [0x00A6F2, 0x00A716],
     [0x00A720, 0x00A721],
     [0x00A789, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A828, 0x00A83F],
     [0x00A874, 0x00A87F],
     [0x00A8C6, 0x00A8CF],
@@ -1240,7 +1242,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABEE, 0x00ABEF],
     [0x00ABFA, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
@@ -1321,7 +1323,8 @@ const nonMatchSymbols = buildString({
     [0x010D3A, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F51, 0x010FFF],
+    [0x010F51, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x011047, 0x011065],
     [0x011070, 0x01107E],
     [0x0110BB, 0x0110CF],
@@ -1351,7 +1354,7 @@ const nonMatchSymbols = buildString({
     [0x011375, 0x0113FF],
     [0x01144B, 0x01144F],
     [0x01145A, 0x01145D],
-    [0x01145F, 0x01147F],
+    [0x011460, 0x01147F],
     [0x0114C8, 0x0114CF],
     [0x0114DA, 0x01157F],
     [0x0115B6, 0x0115B7],
@@ -1360,17 +1363,19 @@ const nonMatchSymbols = buildString({
     [0x011641, 0x011643],
     [0x011645, 0x01164F],
     [0x01165A, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x0116FF],
     [0x01171B, 0x01171C],
     [0x01172C, 0x01172F],
     [0x01173A, 0x0117FF],
     [0x01183B, 0x01189F],
     [0x0118EA, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x0119FF],
     [0x011A3F, 0x011A46],
     [0x011A48, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011A9A, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -1399,13 +1404,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E80, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1432,10 +1439,15 @@ const nonMatchSymbols = buildString({
     [0x01DA85, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E7FF],
+    [0x01E02B, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2FA, 0x01E7FF],
     [0x01E8C5, 0x01E8CF],
     [0x01E8D7, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
diff --git a/test/built-ins/RegExp/property-escapes/generated/ID_Start.js b/test/built-ins/RegExp/property-escapes/generated/ID_Start.js
index 17d9c04c88..9c9fd40ae7 100644
--- a/test/built-ins/RegExp/property-escapes/generated/ID_Start.js
+++ b/test/built-ins/RegExp/property-escapes/generated/ID_Start.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `ID_Start`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -55,10 +55,7 @@ const matchSymbols = buildString({
     0x000D4E,
     0x000DBD,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EBD,
     0x000EC6,
     0x000F00,
@@ -73,6 +70,7 @@ const matchSymbols = buildString({
     0x0017DC,
     0x0018AA,
     0x001AA7,
+    0x001CFA,
     0x001F59,
     0x001F5B,
     0x001F5D,
@@ -108,9 +106,13 @@ const matchSymbols = buildString({
     0x011288,
     0x01133D,
     0x011350,
+    0x01145F,
     0x0114C7,
     0x011644,
+    0x0116B8,
     0x0118FF,
+    0x0119E1,
+    0x0119E3,
     0x011A00,
     0x011A3A,
     0x011A50,
@@ -119,9 +121,12 @@ const matchSymbols = buildString({
     0x011D46,
     0x011D98,
     0x016F50,
+    0x016FE3,
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E14E,
+    0x01E94B,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -244,12 +249,9 @@ const matchSymbols = buildString({
     [0x000E32, 0x000E33],
     [0x000E40, 0x000E46],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB0],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EB0],
     [0x000EB2, 0x000EB3],
     [0x000EC0, 0x000EC4],
     [0x000EDC, 0x000EDF],
@@ -315,7 +317,7 @@ const matchSymbols = buildString({
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CBF],
     [0x001CE9, 0x001CEC],
-    [0x001CEE, 0x001CF1],
+    [0x001CEE, 0x001CF3],
     [0x001CF5, 0x001CF6],
     [0x001D00, 0x001DBF],
     [0x001E00, 0x001F15],
@@ -380,7 +382,8 @@ const matchSymbols = buildString({
     [0x00A6A0, 0x00A6EF],
     [0x00A717, 0x00A71F],
     [0x00A722, 0x00A788],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A801],
     [0x00A803, 0x00A805],
     [0x00A807, 0x00A80A],
@@ -412,7 +415,7 @@ const matchSymbols = buildString({
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABE2],
     [0x00AC00, 0x00D7A3],
     [0x00D7B0, 0x00D7C6],
@@ -494,6 +497,7 @@ const matchSymbols = buildString({
     [0x010D00, 0x010D23],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F45],
+    [0x010FE0, 0x010FF6],
     [0x011003, 0x011037],
     [0x011083, 0x0110AF],
     [0x0110D0, 0x0110E8],
@@ -526,9 +530,10 @@ const matchSymbols = buildString({
     [0x011700, 0x01171A],
     [0x011800, 0x01182B],
     [0x0118A0, 0x0118DF],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D0],
     [0x011A0B, 0x011A32],
-    [0x011A5C, 0x011A83],
-    [0x011A86, 0x011A89],
+    [0x011A5C, 0x011A89],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C2E],
@@ -553,12 +558,14 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E7F],
-    [0x016F00, 0x016F44],
+    [0x016F00, 0x016F4A],
     [0x016F93, 0x016F9F],
     [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -591,6 +598,9 @@ const matchSymbols = buildString({
     [0x01D78A, 0x01D7A8],
     [0x01D7AA, 0x01D7C2],
     [0x01D7C4, 0x01D7CB],
+    [0x01E100, 0x01E12C],
+    [0x01E137, 0x01E13D],
+    [0x01E2C0, 0x01E2EB],
     [0x01E800, 0x01E8C4],
     [0x01E900, 0x01E943],
     [0x01EE00, 0x01EE03],
@@ -681,12 +691,10 @@ const nonMatchSymbols = buildString({
     0x000DBC,
     0x000E31,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
     0x000EB1,
     0x000EC5,
     0x000F48,
@@ -706,6 +714,7 @@ const nonMatchSymbols = buildString({
     0x00176D,
     0x0018A9,
     0x001CED,
+    0x001CF4,
     0x001F58,
     0x001F5A,
     0x001F5C,
@@ -772,11 +781,13 @@ const nonMatchSymbols = buildString({
     0x011331,
     0x011334,
     0x0114C6,
+    0x0119E2,
     0x011C09,
     0x011D07,
     0x011D0A,
     0x011D66,
     0x011D69,
+    0x016FE2,
     0x01D455,
     0x01D49D,
     0x01D4AD,
@@ -923,10 +934,6 @@ const nonMatchSymbols = buildString({
     [0x000DC7, 0x000E00],
     [0x000E34, 0x000E3F],
     [0x000E47, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EB4, 0x000EBC],
     [0x000EBE, 0x000EBF],
     [0x000EC7, 0x000EDB],
@@ -988,8 +995,8 @@ const nonMatchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001CE8],
-    [0x001CF2, 0x001CF4],
-    [0x001CF7, 0x001CFF],
+    [0x001CF7, 0x001CF9],
+    [0x001CFB, 0x001CFF],
     [0x001DC0, 0x001DFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
@@ -1044,7 +1051,8 @@ const nonMatchSymbols = buildString({
     [0x00A6F0, 0x00A716],
     [0x00A720, 0x00A721],
     [0x00A789, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A823, 0x00A83F],
     [0x00A874, 0x00A881],
     [0x00A8B4, 0x00A8F1],
@@ -1070,7 +1078,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABE3, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
     [0x00D7C7, 0x00D7CA],
@@ -1139,7 +1147,8 @@ const nonMatchSymbols = buildString({
     [0x010D24, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F46, 0x011002],
+    [0x010F46, 0x010FDF],
+    [0x010FF7, 0x011002],
     [0x011038, 0x011082],
     [0x0110B0, 0x0110CF],
     [0x0110E9, 0x011102],
@@ -1160,23 +1169,27 @@ const nonMatchSymbols = buildString({
     [0x011351, 0x01135C],
     [0x011362, 0x0113FF],
     [0x011435, 0x011446],
-    [0x01144B, 0x01147F],
+    [0x01144B, 0x01145E],
+    [0x011460, 0x01147F],
     [0x0114B0, 0x0114C3],
     [0x0114C8, 0x01157F],
     [0x0115AF, 0x0115D7],
     [0x0115DC, 0x0115FF],
     [0x011630, 0x011643],
     [0x011645, 0x01167F],
-    [0x0116AB, 0x0116FF],
+    [0x0116AB, 0x0116B7],
+    [0x0116B9, 0x0116FF],
     [0x01171B, 0x0117FF],
     [0x01182C, 0x01189F],
     [0x0118E0, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D1, 0x0119E0],
+    [0x0119E4, 0x0119FF],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A39],
     [0x011A3B, 0x011A4F],
     [0x011A51, 0x011A5B],
-    [0x011A84, 0x011A85],
     [0x011A8A, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -1201,13 +1214,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E80, 0x016EFF],
-    [0x016F45, 0x016F4F],
+    [0x016F4B, 0x016F4F],
     [0x016F51, 0x016F92],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1219,9 +1234,14 @@ const nonMatchSymbols = buildString({
     [0x01D50B, 0x01D50C],
     [0x01D547, 0x01D549],
     [0x01D6A6, 0x01D6A7],
-    [0x01D7CC, 0x01E7FF],
+    [0x01D7CC, 0x01E0FF],
+    [0x01E12D, 0x01E136],
+    [0x01E13E, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2EC, 0x01E7FF],
     [0x01E8C5, 0x01E8FF],
-    [0x01E944, 0x01EDFF],
+    [0x01E944, 0x01E94A],
+    [0x01E94C, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Ideographic.js b/test/built-ins/RegExp/property-escapes/generated/Ideographic.js
index 81bcdab8ee..5c68cb4241 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Ideographic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Ideographic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Ideographic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -23,7 +23,7 @@ const matchSymbols = buildString({
     [0x004E00, 0x009FEF],
     [0x00F900, 0x00FA6D],
     [0x00FA70, 0x00FAD9],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B170, 0x01B2FB],
     [0x020000, 0x02A6D6],
@@ -58,7 +58,7 @@ const nonMatchSymbols = buildString({
     [0x00E000, 0x00F8FF],
     [0x00FA6E, 0x00FA6F],
     [0x00FADA, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01B16F],
     [0x01B2FC, 0x01FFFF],
     [0x02A6D7, 0x02A6FF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Join_Control.js b/test/built-ins/RegExp/property-escapes/generated/Join_Control.js
index cc4e728b5c..04cb0f7e1f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Join_Control.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Join_Control.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Join_Control`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Logical_Order_Exception.js b/test/built-ins/RegExp/property-escapes/generated/Logical_Order_Exception.js
index 95f7aadc2a..04d99005fc 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Logical_Order_Exception.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Logical_Order_Exception.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Logical_Order_Exception`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Lowercase.js b/test/built-ins/RegExp/property-escapes/generated/Lowercase.js
index 3009aaef10..52ce4069b9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Lowercase.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Lowercase.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Lowercase`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -549,6 +549,10 @@ const matchSymbols = buildString({
     0x00A7B5,
     0x00A7B7,
     0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7BF,
+    0x00A7C3,
     0x01D4BB,
     0x01D7CB
   ],
@@ -625,7 +629,7 @@ const matchSymbols = buildString({
     [0x00A793, 0x00A795],
     [0x00A7F8, 0x00A7FA],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABBF],
     [0x00FB00, 0x00FB06],
     [0x00FB13, 0x00FB17],
@@ -1184,6 +1188,9 @@ const nonMatchSymbols = buildString({
     0x00A7A8,
     0x00A7B6,
     0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
     0x00AB5B,
     0x01D455,
     0x01D4BA,
@@ -1295,9 +1302,10 @@ const nonMatchSymbols = buildString({
     [0x00A78F, 0x00A790],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
-    [0x00A7BA, 0x00A7F7],
+    [0x00A7C0, 0x00A7C2],
+    [0x00A7C4, 0x00A7F7],
     [0x00A7FB, 0x00AB2F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABC0, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FB12],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Math.js b/test/built-ins/RegExp/property-escapes/generated/Math.js
index 3e043c0ac3..96e96caa9c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Math.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Math.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Math`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Noncharacter_Code_Point.js b/test/built-ins/RegExp/property-escapes/generated/Noncharacter_Code_Point.js
index f9cae5089f..cd3440aa39 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Noncharacter_Code_Point.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Noncharacter_Code_Point.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Noncharacter_Code_Point`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Pattern_Syntax.js b/test/built-ins/RegExp/property-escapes/generated/Pattern_Syntax.js
index 87aa87f94e..03befaaa8a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Pattern_Syntax.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Pattern_Syntax.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Pattern_Syntax`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Pattern_White_Space.js b/test/built-ins/RegExp/property-escapes/generated/Pattern_White_Space.js
index 27881a25bc..59d411337d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Pattern_White_Space.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Pattern_White_Space.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Pattern_White_Space`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Quotation_Mark.js b/test/built-ins/RegExp/property-escapes/generated/Quotation_Mark.js
index 32a39fd64c..916b09fd80 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Quotation_Mark.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Quotation_Mark.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Quotation_Mark`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Radical.js b/test/built-ins/RegExp/property-escapes/generated/Radical.js
index 29721526ee..244734d698 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Radical.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Radical.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Radical`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Regional_Indicator.js b/test/built-ins/RegExp/property-escapes/generated/Regional_Indicator.js
index 9b48e0aec8..d00ea7d9cf 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Regional_Indicator.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Regional_Indicator.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Regional_Indicator`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Adlam.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Adlam.js
index 6253d8890d..3470ce3d0a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Adlam.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Adlam.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Adlam`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,7 +16,7 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01E95E, 0x01E95F]
   ]
@@ -48,7 +48,7 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01E95D],
     [0x01E960, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ahom.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ahom.js
index 23c4d2f1bf..6a3152045a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ahom.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ahom.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Ahom`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Anatolian_Hieroglyphs.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Anatolian_Hieroglyphs.js
index 9722dc7daf..effd2413f8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Anatolian_Hieroglyphs.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Anatolian_Hieroglyphs.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Anatolian_Hieroglyphs`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Arabic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Arabic.js
index 0098074748..ea3c072d15 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Arabic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Arabic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Arabic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Armenian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Armenian.js
index 4f904296c4..c78df11217 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Armenian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Armenian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Armenian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Avestan.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Avestan.js
index 3c3f3a1ce3..f327be5da2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Avestan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Avestan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Avestan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Balinese.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Balinese.js
index 684e4c12a3..3ae8278aaf 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Balinese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Balinese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Balinese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bamum.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bamum.js
index 3fecc0ee63..434b5aa07a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bamum.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bamum.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Bamum`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bassa_Vah.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bassa_Vah.js
index 18be2278cb..e17ebcc88b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bassa_Vah.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bassa_Vah.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Bassa_Vah`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Batak.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Batak.js
index 665473e789..0217765eae 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Batak.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Batak.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Batak`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bengali.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bengali.js
index dd3e80887c..6881d2347d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bengali.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bengali.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Bengali`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bhaiksuki.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bhaiksuki.js
index 6ee69425d7..582bfaa728 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bhaiksuki.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bhaiksuki.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Bhaiksuki`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bopomofo.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bopomofo.js
index ee9d932b74..8c9001f713 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Bopomofo.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Bopomofo.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Bopomofo`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Brahmi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Brahmi.js
index d428e307c4..d9365868b1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Brahmi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Brahmi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Brahmi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Braille.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Braille.js
index 80882816bf..37d317fc0b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Braille.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Braille.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Braille`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Buginese.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Buginese.js
index 37c9a4cd82..a4c23da82e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Buginese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Buginese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Buginese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Buhid.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Buhid.js
index b510da605a..4268fc6633 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Buhid.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Buhid.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Buhid`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Canadian_Aboriginal.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Canadian_Aboriginal.js
index 182a30f61c..59b4535e00 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Canadian_Aboriginal.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Canadian_Aboriginal.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Canadian_Aboriginal`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Carian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Carian.js
index 85adb178fa..4740392e67 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Carian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Carian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Carian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Caucasian_Albanian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Caucasian_Albanian.js
index 275fb33024..d94e8fbe94 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Caucasian_Albanian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Caucasian_Albanian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Caucasian_Albanian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Chakma.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Chakma.js
index 6522ee42da..0044759319 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Chakma.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Chakma.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Chakma`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cham.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cham.js
index 66b9258228..42d0c2adf9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Cham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cherokee.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cherokee.js
index 730932bef9..7ff27e4bdb 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cherokee.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cherokee.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Cherokee`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Common.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Common.js
index 0f0cf7f6d9..33e06ec11d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Common.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Common.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Common`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -34,6 +34,7 @@ const matchSymbols = buildString({
     0x001805,
     0x001CD3,
     0x001CE1,
+    0x001CFA,
     0x003006,
     0x0030A0,
     0x00A92E,
@@ -44,7 +45,6 @@ const matchSymbols = buildString({
     0x01D4A2,
     0x01D4BB,
     0x01D546,
-    0x01F97A,
     0x0E0001
   ],
   ranges: [
@@ -81,9 +81,8 @@ const matchSymbols = buildString({
     [0x002460, 0x0027FF],
     [0x002900, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
-    [0x002E00, 0x002E4E],
+    [0x002B98, 0x002BFF],
+    [0x002E00, 0x002E4F],
     [0x002FF0, 0x002FFB],
     [0x003000, 0x003004],
     [0x003008, 0x003020],
@@ -118,6 +117,7 @@ const matchSymbols = buildString({
     [0x010190, 0x01019B],
     [0x0101D0, 0x0101FC],
     [0x0102E1, 0x0102FB],
+    [0x016FE2, 0x016FE3],
     [0x01BCA0, 0x01BCA3],
     [0x01D000, 0x01D0F5],
     [0x01D100, 0x01D126],
@@ -148,6 +148,7 @@ const matchSymbols = buildString({
     [0x01D6A8, 0x01D7CB],
     [0x01D7CE, 0x01D7FF],
     [0x01EC71, 0x01ECB4],
+    [0x01ED01, 0x01ED3D],
     [0x01F000, 0x01F02B],
     [0x01F030, 0x01F093],
     [0x01F0A0, 0x01F0AE],
@@ -155,7 +156,7 @@ const matchSymbols = buildString({
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
     [0x01F100, 0x01F10C],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F1FF],
     [0x01F201, 0x01F202],
@@ -163,25 +164,29 @@ const matchSymbols = buildString({
     [0x01F240, 0x01F248],
     [0x01F250, 0x01F251],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
     [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95],
     [0x0E0020, 0x0E007F]
   ]
 });
@@ -219,7 +224,6 @@ const nonMatchSymbols = buildString({
     0x002126,
     0x002132,
     0x00214E,
-    0x002BC9,
     0x003005,
     0x003007,
     0x00FE53,
@@ -242,8 +246,8 @@ const nonMatchSymbols = buildString({
     0x01F0C0,
     0x01F0D0,
     0x01F200,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -275,7 +279,8 @@ const nonMatchSymbols = buildString({
     [0x001806, 0x001CD2],
     [0x001CD4, 0x001CE0],
     [0x001CE2, 0x001CE8],
-    [0x001CF8, 0x001FFF],
+    [0x001CF8, 0x001CF9],
+    [0x001CFB, 0x001FFF],
     [0x00200C, 0x00200D],
     [0x002071, 0x002073],
     [0x00208F, 0x00209F],
@@ -288,8 +293,8 @@ const nonMatchSymbols = buildString({
     [0x002800, 0x0028FF],
     [0x002B74, 0x002B75],
     [0x002B96, 0x002B97],
-    [0x002BFF, 0x002DFF],
-    [0x002E4F, 0x002FEF],
+    [0x002C00, 0x002DFF],
+    [0x002E50, 0x002FEF],
     [0x002FFC, 0x002FFF],
     [0x003021, 0x00302F],
     [0x003038, 0x00303B],
@@ -325,7 +330,8 @@ const nonMatchSymbols = buildString({
     [0x010140, 0x01018F],
     [0x01019C, 0x0101CF],
     [0x0101FD, 0x0102E0],
-    [0x0102FC, 0x01BC9F],
+    [0x0102FC, 0x016FE1],
+    [0x016FE4, 0x01BC9F],
     [0x01BCA4, 0x01CFFF],
     [0x01D0F6, 0x01D0FF],
     [0x01D127, 0x01D128],
@@ -345,37 +351,41 @@ const nonMatchSymbols = buildString({
     [0x01D6A6, 0x01D6A7],
     [0x01D7CC, 0x01D7CD],
     [0x01D800, 0x01EC70],
-    [0x01ECB5, 0x01EFFF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01EFFF],
     [0x01F02C, 0x01F02F],
     [0x01F094, 0x01F09F],
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F0FF],
     [0x01F10D, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F24F],
     [0x01F252, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x0E0000],
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x0E0000],
     [0x0E0002, 0x0E001F],
     [0x0E0080, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Coptic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Coptic.js
index 0f69476922..a154c4c698 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Coptic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Coptic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Coptic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cuneiform.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cuneiform.js
index f3d2e27b90..5e287e3170 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cuneiform.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cuneiform.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Cuneiform`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cypriot.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cypriot.js
index cbd0308ca0..bcc808d3ee 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cypriot.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cypriot.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Cypriot`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cyrillic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cyrillic.js
index e812e156d9..9d3e76906b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Cyrillic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Cyrillic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Cyrillic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Deseret.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Deseret.js
index 192426b832..f69c995517 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Deseret.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Deseret.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Deseret`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Devanagari.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Devanagari.js
index 70b0f51f39..90ab95e8af 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Devanagari.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Devanagari.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Devanagari`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -17,7 +17,7 @@ const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
     [0x000900, 0x000950],
-    [0x000953, 0x000963],
+    [0x000955, 0x000963],
     [0x000966, 0x00097F],
     [0x00A8E0, 0x00A8FF]
   ]
@@ -48,7 +48,7 @@ const nonMatchSymbols = buildString({
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x0008FF],
-    [0x000951, 0x000952],
+    [0x000951, 0x000954],
     [0x000964, 0x000965],
     [0x000980, 0x00A8DF],
     [0x00A900, 0x00DBFF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Dogra.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Dogra.js
index ae3cdada1e..288d81d8f5 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Dogra.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Dogra.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Dogra`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Duployan.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Duployan.js
index b7ae88dbf2..5134b6a6fb 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Duployan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Duployan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Duployan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Egyptian_Hieroglyphs.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Egyptian_Hieroglyphs.js
index ac2d366559..d90cae91de 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Egyptian_Hieroglyphs.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Egyptian_Hieroglyphs.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Egyptian_Hieroglyphs`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,7 +16,8 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x013000, 0x01342E]
+    [0x013000, 0x01342E],
+    [0x013430, 0x013438]
   ]
 });
 testPropertyEscapes(
@@ -41,12 +42,14 @@ testPropertyEscapes(
 );
 
 const nonMatchSymbols = buildString({
-  loneCodePoints: [],
+  loneCodePoints: [
+    0x01342F
+  ],
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x012FFF],
-    [0x01342F, 0x10FFFF]
+    [0x013439, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Elbasan.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Elbasan.js
index 21fff6e60b..e2955d78ea 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Elbasan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Elbasan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Elbasan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Elymaic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Elymaic.js
new file mode 100644
index 0000000000..d871c42532
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Elymaic.js
@@ -0,0 +1,71 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script=Elymaic`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x010FE0, 0x010FF6]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script=Elymaic}+$/u,
+  matchSymbols,
+  "\\p{Script=Elymaic}"
+);
+testPropertyEscapes(
+  /^\p{Script=Elym}+$/u,
+  matchSymbols,
+  "\\p{Script=Elym}"
+);
+testPropertyEscapes(
+  /^\p{sc=Elymaic}+$/u,
+  matchSymbols,
+  "\\p{sc=Elymaic}"
+);
+testPropertyEscapes(
+  /^\p{sc=Elym}+$/u,
+  matchSymbols,
+  "\\p{sc=Elym}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x010FDF],
+    [0x010FF7, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script=Elymaic}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Elymaic}"
+);
+testPropertyEscapes(
+  /^\P{Script=Elym}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Elym}"
+);
+testPropertyEscapes(
+  /^\P{sc=Elymaic}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Elymaic}"
+);
+testPropertyEscapes(
+  /^\P{sc=Elym}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Elym}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ethiopic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ethiopic.js
index df6e32456c..d85ef46f7f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ethiopic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ethiopic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Ethiopic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Georgian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Georgian.js
index 4d03ab4277..5b5775c524 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Georgian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Georgian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Georgian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Glagolitic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Glagolitic.js
index 4a30a82afb..87859a4638 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Glagolitic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Glagolitic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Glagolitic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gothic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gothic.js
index 791c594f34..c39a8b0cca 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gothic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gothic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Gothic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Grantha.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Grantha.js
index c24b48b084..8bb986afbd 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Grantha.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Grantha.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Grantha`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Greek.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Greek.js
index ca1749434b..73dbd1c746 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Greek.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Greek.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Greek`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gujarati.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gujarati.js
index 4ee6ec8bf0..1eff8bd418 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gujarati.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gujarati.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Gujarati`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gunjala_Gondi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gunjala_Gondi.js
index 0edeebdc05..82dee68aa1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gunjala_Gondi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gunjala_Gondi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Gunjala_Gondi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gurmukhi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gurmukhi.js
index 599cf88ec3..f0f613ac7a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Gurmukhi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Gurmukhi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Gurmukhi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Han.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Han.js
index 7536dbbe3a..4d544a29e9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Han.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Han.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Han`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hangul.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hangul.js
index 2498c50c5d..5ae8530022 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hangul.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hangul.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Hangul`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanifi_Rohingya.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanifi_Rohingya.js
index c6f117f935..9cfd33b2c6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanifi_Rohingya.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanifi_Rohingya.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Hanifi_Rohingya`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanunoo.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanunoo.js
index 6c26239472..134a1ef1a2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanunoo.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hanunoo.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Hanunoo`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hatran.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hatran.js
index dfdac25406..b1daeced7c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hatran.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hatran.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Hatran`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hebrew.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hebrew.js
index 8975e5a6c3..a763f7c698 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hebrew.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hebrew.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Hebrew`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hiragana.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hiragana.js
index dc3a7792fa..bc8ebc9cab 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Hiragana.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Hiragana.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Hiragana`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -20,7 +20,8 @@ const matchSymbols = buildString({
   ranges: [
     [0x003041, 0x003096],
     [0x00309D, 0x00309F],
-    [0x01B001, 0x01B11E]
+    [0x01B001, 0x01B11E],
+    [0x01B150, 0x01B152]
   ]
 });
 testPropertyEscapes(
@@ -52,7 +53,8 @@ const nonMatchSymbols = buildString({
     [0x003097, 0x00309C],
     [0x0030A0, 0x00DBFF],
     [0x00E000, 0x01B000],
-    [0x01B11F, 0x01F1FF],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01F1FF],
     [0x01F201, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Imperial_Aramaic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Imperial_Aramaic.js
index 5115896c71..17c5952798 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Imperial_Aramaic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Imperial_Aramaic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Imperial_Aramaic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Inherited.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Inherited.js
index 866de0b067..9c58dcb40b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Inherited.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Inherited.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Inherited`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -26,7 +26,7 @@ const matchSymbols = buildString({
     [0x000300, 0x00036F],
     [0x000485, 0x000486],
     [0x00064B, 0x000655],
-    [0x000951, 0x000952],
+    [0x000951, 0x000954],
     [0x001AB0, 0x001ABE],
     [0x001CD0, 0x001CD2],
     [0x001CD4, 0x001CE0],
@@ -91,7 +91,7 @@ const nonMatchSymbols = buildString({
     [0x000487, 0x00064A],
     [0x000656, 0x00066F],
     [0x000671, 0x000950],
-    [0x000953, 0x001AAF],
+    [0x000955, 0x001AAF],
     [0x001ABF, 0x001CCF],
     [0x001CE9, 0x001CEC],
     [0x001CEE, 0x001CF3],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Pahlavi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Pahlavi.js
index 5faa01773e..acb3b6c67d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Pahlavi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Pahlavi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Inscriptional_Pahlavi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Parthian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Parthian.js
index 9e5d3c0cbc..7b711111bc 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Parthian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Inscriptional_Parthian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Inscriptional_Parthian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Javanese.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Javanese.js
index 54078ba899..182f28fd35 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Javanese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Javanese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Javanese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kaithi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kaithi.js
index a806513cce..0e50042e65 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kaithi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kaithi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Kaithi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kannada.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kannada.js
index 8059f504e3..bfeebeb196 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kannada.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kannada.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Kannada`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Katakana.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Katakana.js
index d5c5d62419..cdc17d54c2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Katakana.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Katakana.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Katakana`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -24,7 +24,8 @@ const matchSymbols = buildString({
     [0x0032D0, 0x0032FE],
     [0x003300, 0x003357],
     [0x00FF66, 0x00FF6F],
-    [0x00FF71, 0x00FF9D]
+    [0x00FF71, 0x00FF9D],
+    [0x01B164, 0x01B167]
   ]
 });
 testPropertyEscapes(
@@ -62,7 +63,8 @@ const nonMatchSymbols = buildString({
     [0x003358, 0x00DBFF],
     [0x00E000, 0x00FF65],
     [0x00FF9E, 0x01AFFF],
-    [0x01B001, 0x10FFFF]
+    [0x01B001, 0x01B163],
+    [0x01B168, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kayah_Li.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kayah_Li.js
index 0eedc91f6d..dfdf2a95e8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kayah_Li.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kayah_Li.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Kayah_Li`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kharoshthi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kharoshthi.js
index 8a7be0cf9f..4c1b0f1b30 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Kharoshthi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Kharoshthi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Kharoshthi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Khmer.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Khmer.js
index c527954254..6730a5d273 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Khmer.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Khmer.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Khmer`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Khojki.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Khojki.js
index d917f1ca5e..19a0bfbdf4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Khojki.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Khojki.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Khojki`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Khudawadi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Khudawadi.js
index fe17e3c3b6..20c7c2faca 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Khudawadi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Khudawadi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Khudawadi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lao.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lao.js
index c451c93e24..ca0dfd3c8e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lao.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lao.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Lao`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,21 +16,14 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6
   ],
   ranges: [
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -61,23 +54,16 @@ testPropertyEscapes(
 const nonMatchSymbols = buildString({
   loneCodePoints: [
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Latin.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Latin.js
index 2ff569675e..b6888251a8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Latin.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Latin.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Latin`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -40,10 +40,12 @@ const matchSymbols = buildString({
     [0x002160, 0x002188],
     [0x002C60, 0x002C7F],
     [0x00A722, 0x00A787],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A7FF],
     [0x00AB30, 0x00AB5A],
     [0x00AB5C, 0x00AB64],
+    [0x00AB66, 0x00AB67],
     [0x00FB00, 0x00FB06],
     [0x00FF21, 0x00FF3A],
     [0x00FF41, 0x00FF5A]
@@ -75,7 +77,8 @@ const nonMatchSymbols = buildString({
     0x0000D7,
     0x0000F7,
     0x001D78,
-    0x00AB5B
+    0x00AB5B,
+    0x00AB65
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -100,9 +103,10 @@ const nonMatchSymbols = buildString({
     [0x002189, 0x002C5F],
     [0x002C80, 0x00A721],
     [0x00A788, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A800, 0x00AB2F],
-    [0x00AB65, 0x00DBFF],
+    [0x00AB68, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FF20],
     [0x00FF3B, 0x00FF40],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lepcha.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lepcha.js
index 207b373c4d..ddd1386e4f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lepcha.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lepcha.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Lepcha`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Limbu.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Limbu.js
index e550591f4f..595d0d6fa8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Limbu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Limbu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Limbu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_A.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_A.js
index 4fc7f78faf..1a568fe610 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_A.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_A.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Linear_A`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_B.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_B.js
index 25d90c05d1..da6ba4ce7e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_B.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Linear_B.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Linear_B`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lisu.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lisu.js
index de88a6c956..a3d0f4e9ac 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lisu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lisu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Lisu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lycian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lycian.js
index 990755a5f2..3fdd5e9060 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lycian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lycian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Lycian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lydian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lydian.js
index b3e629e250..b389c24671 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Lydian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Lydian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Lydian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mahajani.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mahajani.js
index d0c3ced4dd..7ee63ff641 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mahajani.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mahajani.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Mahajani`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Makasar.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Makasar.js
index b68a762b89..fe7942c04a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Makasar.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Makasar.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Makasar`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Malayalam.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Malayalam.js
index e26934667d..6af427b07c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Malayalam.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Malayalam.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Malayalam`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mandaic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mandaic.js
index aa57712400..3c5734e33a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mandaic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mandaic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Mandaic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Manichaean.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Manichaean.js
index 29cca5f21a..6817529448 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Manichaean.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Manichaean.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Manichaean`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Marchen.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Marchen.js
index 6b8d63a626..34d9320200 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Marchen.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Marchen.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Marchen`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Masaram_Gondi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Masaram_Gondi.js
index ab34f85805..58a4d37e84 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Masaram_Gondi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Masaram_Gondi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Masaram_Gondi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Medefaidrin.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Medefaidrin.js
index a0e218c3b9..2cef82eea3 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Medefaidrin.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Medefaidrin.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Medefaidrin`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Meetei_Mayek.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Meetei_Mayek.js
index 6acf8d85b8..43fb1874fa 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Meetei_Mayek.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Meetei_Mayek.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Meetei_Mayek`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mende_Kikakui.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mende_Kikakui.js
index 3328f1e367..e8cabda729 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mende_Kikakui.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mende_Kikakui.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Mende_Kikakui`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Cursive.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Cursive.js
index 397d42bb97..ac842e219e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Cursive.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Cursive.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Meroitic_Cursive`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Hieroglyphs.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Hieroglyphs.js
index 1c8774bfb0..bd8bec54a2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Hieroglyphs.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Meroitic_Hieroglyphs.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Meroitic_Hieroglyphs`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Miao.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Miao.js
index e81c894b00..b9727ac310 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Miao.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Miao.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Miao`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,8 +16,8 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F]
   ]
 });
@@ -48,8 +48,8 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Modi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Modi.js
index 2937e5b18f..b031523db5 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Modi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Modi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Modi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mongolian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mongolian.js
index 85e4f73891..7273a2096a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mongolian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mongolian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Mongolian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mro.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mro.js
index 7955eb6fef..2d901873df 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Mro.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Mro.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Mro`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Multani.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Multani.js
index 3914077e5c..a4792ffcc8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Multani.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Multani.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Multani`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Myanmar.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Myanmar.js
index a0a3d6276c..c4ffd73bb4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Myanmar.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Myanmar.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Myanmar`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nabataean.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nabataean.js
index fe6075d537..4717014f9d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nabataean.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nabataean.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Nabataean`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nandinagari.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nandinagari.js
new file mode 100644
index 0000000000..cf5201c1d4
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nandinagari.js
@@ -0,0 +1,75 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script=Nandinagari`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E4]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script=Nandinagari}+$/u,
+  matchSymbols,
+  "\\p{Script=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\p{Script=Nand}+$/u,
+  matchSymbols,
+  "\\p{Script=Nand}"
+);
+testPropertyEscapes(
+  /^\p{sc=Nandinagari}+$/u,
+  matchSymbols,
+  "\\p{sc=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\p{sc=Nand}+$/u,
+  matchSymbols,
+  "\\p{sc=Nand}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script=Nandinagari}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\P{Script=Nand}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Nand}"
+);
+testPropertyEscapes(
+  /^\P{sc=Nandinagari}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\P{sc=Nand}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Nand}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_New_Tai_Lue.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_New_Tai_Lue.js
index d25915d49a..f4faa8b8ea 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_New_Tai_Lue.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_New_Tai_Lue.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=New_Tai_Lue`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Newa.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Newa.js
index b723db9fe3..7a46528ebc 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Newa.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Newa.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Newa`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -19,7 +19,7 @@ const matchSymbols = buildString({
   ],
   ranges: [
     [0x011400, 0x011459],
-    [0x01145D, 0x01145E]
+    [0x01145D, 0x01145F]
   ]
 });
 testPropertyEscapes(
@@ -52,7 +52,7 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x0113FF],
-    [0x01145F, 0x10FFFF]
+    [0x011460, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nko.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nko.js
index e784b07db5..fea1170659 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nko.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nko.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Nko`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nushu.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nushu.js
index a09fb3286e..ba6c0527b2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nushu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nushu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Nushu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Nyiakeng_Puachue_Hmong.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nyiakeng_Puachue_Hmong.js
new file mode 100644
index 0000000000..8da82d2606
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Nyiakeng_Puachue_Hmong.js
@@ -0,0 +1,77 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script=Nyiakeng_Puachue_Hmong`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E14E, 0x01E14F]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script=Nyiakeng_Puachue_Hmong}+$/u,
+  matchSymbols,
+  "\\p{Script=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\p{Script=Hmnp}+$/u,
+  matchSymbols,
+  "\\p{Script=Hmnp}"
+);
+testPropertyEscapes(
+  /^\p{sc=Nyiakeng_Puachue_Hmong}+$/u,
+  matchSymbols,
+  "\\p{sc=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\p{sc=Hmnp}+$/u,
+  matchSymbols,
+  "\\p{sc=Hmnp}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E150, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script=Nyiakeng_Puachue_Hmong}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\P{Script=Hmnp}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Hmnp}"
+);
+testPropertyEscapes(
+  /^\P{sc=Nyiakeng_Puachue_Hmong}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\P{sc=Hmnp}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Hmnp}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ogham.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ogham.js
index ca02c60902..48585d2e09 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ogham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ogham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Ogham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ol_Chiki.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ol_Chiki.js
index 3d15d5421d..f813bc5096 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ol_Chiki.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ol_Chiki.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Ol_Chiki`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Hungarian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Hungarian.js
index bd224cc014..9b81864da4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Hungarian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Hungarian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_Hungarian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Italic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Italic.js
index e1ce76613a..f342a8dbf4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Italic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Italic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_Italic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_North_Arabian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_North_Arabian.js
index d11681b61f..64d7d4c90e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_North_Arabian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_North_Arabian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_North_Arabian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Permic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Permic.js
index a773cf3885..8a76cfdbb0 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Permic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Permic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_Permic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Persian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Persian.js
index 3eed15c36b..028c73b2cd 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Persian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Persian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_Persian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Sogdian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Sogdian.js
index 04d1fe466f..9920644c67 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Sogdian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Sogdian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_Sogdian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_South_Arabian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_South_Arabian.js
index 39bf4114ec..50e612e84d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_South_Arabian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_South_Arabian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_South_Arabian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Turkic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Turkic.js
index b7c7e52979..e6fbe126d5 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Turkic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Old_Turkic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Old_Turkic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Oriya.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Oriya.js
index 53bc69766b..74283639cc 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Oriya.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Oriya.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Oriya`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Osage.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Osage.js
index bef7673ff3..9d41a25276 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Osage.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Osage.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Osage`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Osmanya.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Osmanya.js
index 63a3b5b827..902b35613b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Osmanya.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Osmanya.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Osmanya`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Pahawh_Hmong.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Pahawh_Hmong.js
index 2c4f8f13bb..e69b9d206f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Pahawh_Hmong.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Pahawh_Hmong.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Pahawh_Hmong`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Palmyrene.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Palmyrene.js
index 901f67fbee..f09595578d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Palmyrene.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Palmyrene.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Palmyrene`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Pau_Cin_Hau.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Pau_Cin_Hau.js
index f975286a89..570a841c92 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Pau_Cin_Hau.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Pau_Cin_Hau.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Pau_Cin_Hau`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Phags_Pa.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Phags_Pa.js
index b52bc849b4..4cbbec7a8e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Phags_Pa.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Phags_Pa.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Phags_Pa`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Phoenician.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Phoenician.js
index 19474f286d..32152be982 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Phoenician.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Phoenician.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Phoenician`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Psalter_Pahlavi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Psalter_Pahlavi.js
index 359bc8812a..cd3494a99e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Psalter_Pahlavi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Psalter_Pahlavi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Psalter_Pahlavi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Rejang.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Rejang.js
index 509d13f128..a4f440ca57 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Rejang.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Rejang.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Rejang`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Runic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Runic.js
index 1662e0feb9..04ca08fb67 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Runic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Runic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Runic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Samaritan.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Samaritan.js
index f2848d71f0..474093535e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Samaritan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Samaritan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Samaritan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Saurashtra.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Saurashtra.js
index 81cda1f725..069a5fe814 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Saurashtra.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Saurashtra.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Saurashtra`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sharada.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sharada.js
index e6809a3041..5fdccb3237 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sharada.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sharada.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Sharada`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Shavian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Shavian.js
index 8ead0e675f..5549a3728c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Shavian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Shavian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Shavian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Siddham.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Siddham.js
index 7cb62cbd61..797b29f425 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Siddham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Siddham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Siddham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_SignWriting.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_SignWriting.js
index 9680b3c14c..df095522e6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_SignWriting.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_SignWriting.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=SignWriting`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sinhala.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sinhala.js
index b091526666..f307aef408 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sinhala.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sinhala.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Sinhala`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sogdian.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sogdian.js
index f6bcfb5d57..0ef4c8c6e0 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sogdian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sogdian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Sogdian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sora_Sompeng.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sora_Sompeng.js
index 790dab75d1..39428d7594 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sora_Sompeng.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sora_Sompeng.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Sora_Sompeng`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Soyombo.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Soyombo.js
index 8b7de1e564..845800c5c9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Soyombo.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Soyombo.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Soyombo`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,8 +16,7 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011AA2]
+    [0x011A50, 0x011AA2]
   ]
 });
 testPropertyEscapes(
@@ -47,7 +46,6 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011AA3, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sundanese.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sundanese.js
index c31828c9cf..83521de1a3 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Sundanese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Sundanese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Sundanese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Syloti_Nagri.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Syloti_Nagri.js
index 1001b3f909..84b4ada9ed 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Syloti_Nagri.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Syloti_Nagri.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Syloti_Nagri`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Syriac.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Syriac.js
index 5e506063f6..6a9ccf9841 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Syriac.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Syriac.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Syriac`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagalog.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagalog.js
index 8e2859aab4..d78ea95484 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagalog.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagalog.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tagalog`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagbanwa.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagbanwa.js
index 71784a9fc3..2fd2508b80 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagbanwa.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tagbanwa.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tagbanwa`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Le.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Le.js
index f5051a7444..1e193a6501 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Le.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Le.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tai_Le`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Tham.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Tham.js
index aaf99c82d0..325e372908 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Tham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Tham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tai_Tham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Viet.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Viet.js
index b8c9f0ace4..54748a223c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Viet.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tai_Viet.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tai_Viet`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Takri.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Takri.js
index ea14c7bcd5..a5cef2a5e5 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Takri.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Takri.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Takri`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,7 +16,7 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9]
   ]
 });
@@ -47,7 +47,7 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tamil.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tamil.js
index 4b5ec9bf44..998f173a77 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tamil.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tamil.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tamil`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -17,7 +17,8 @@ const matchSymbols = buildString({
   loneCodePoints: [
     0x000B9C,
     0x000BD0,
-    0x000BD7
+    0x000BD7,
+    0x011FFF
   ],
   ranges: [
     [0x000B82, 0x000B83],
@@ -32,7 +33,8 @@ const matchSymbols = buildString({
     [0x000BBE, 0x000BC2],
     [0x000BC6, 0x000BC8],
     [0x000BCA, 0x000BCD],
-    [0x000BE6, 0x000BFA]
+    [0x000BE6, 0x000BFA],
+    [0x011FC0, 0x011FF1]
   ]
 });
 testPropertyEscapes(
@@ -78,7 +80,9 @@ const nonMatchSymbols = buildString({
     [0x000BD1, 0x000BD6],
     [0x000BD8, 0x000BE5],
     [0x000BFB, 0x00DBFF],
-    [0x00E000, 0x10FFFF]
+    [0x00E000, 0x011FBF],
+    [0x011FF2, 0x011FFE],
+    [0x012000, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tangut.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tangut.js
index 730788346a..12855af156 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tangut.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tangut.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tangut`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,7 +18,7 @@ const matchSymbols = buildString({
     0x016FE0
   ],
   ranges: [
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2]
   ]
 });
@@ -50,7 +50,7 @@ const nonMatchSymbols = buildString({
     [0x000000, 0x00DBFF],
     [0x00E000, 0x016FDF],
     [0x016FE1, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Telugu.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Telugu.js
index 06103f28d1..e50d4de71e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Telugu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Telugu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Telugu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -27,7 +27,7 @@ const matchSymbols = buildString({
     [0x000C58, 0x000C5A],
     [0x000C60, 0x000C63],
     [0x000C66, 0x000C6F],
-    [0x000C78, 0x000C7F]
+    [0x000C77, 0x000C7F]
   ]
 });
 testPropertyEscapes(
@@ -67,7 +67,7 @@ const nonMatchSymbols = buildString({
     [0x000C4E, 0x000C54],
     [0x000C5B, 0x000C5F],
     [0x000C64, 0x000C65],
-    [0x000C70, 0x000C77],
+    [0x000C70, 0x000C76],
     [0x000C80, 0x00DBFF],
     [0x00E000, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Thaana.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Thaana.js
index 1d9a7b0a71..eeb59d76f9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Thaana.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Thaana.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Thaana`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Thai.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Thai.js
index b0aa4da89c..5f1c228089 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Thai.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Thai.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Thai`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tibetan.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tibetan.js
index b5834a8fd5..4b77031636 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tibetan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tibetan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tibetan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tifinagh.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tifinagh.js
index 98c41a8f74..23c7753116 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tifinagh.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tifinagh.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tifinagh`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tirhuta.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tirhuta.js
index f55a5e36b0..a273718e0a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Tirhuta.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Tirhuta.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Tirhuta`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ugaritic.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ugaritic.js
index 09ec16820f..c142e8bb2e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Ugaritic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Ugaritic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Ugaritic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Vai.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Vai.js
index 0395c362b4..57f896ed9d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Vai.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Vai.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Vai`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Wancho.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Wancho.js
new file mode 100644
index 0000000000..2dde1ec087
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Wancho.js
@@ -0,0 +1,74 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script=Wancho`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [
+    0x01E2FF
+  ],
+  ranges: [
+    [0x01E2C0, 0x01E2F9]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script=Wancho}+$/u,
+  matchSymbols,
+  "\\p{Script=Wancho}"
+);
+testPropertyEscapes(
+  /^\p{Script=Wcho}+$/u,
+  matchSymbols,
+  "\\p{Script=Wcho}"
+);
+testPropertyEscapes(
+  /^\p{sc=Wancho}+$/u,
+  matchSymbols,
+  "\\p{sc=Wancho}"
+);
+testPropertyEscapes(
+  /^\p{sc=Wcho}+$/u,
+  matchSymbols,
+  "\\p{sc=Wcho}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x01E2BF],
+    [0x01E2FA, 0x01E2FE],
+    [0x01E300, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script=Wancho}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Wancho}"
+);
+testPropertyEscapes(
+  /^\P{Script=Wcho}+$/u,
+  nonMatchSymbols,
+  "\\P{Script=Wcho}"
+);
+testPropertyEscapes(
+  /^\P{sc=Wancho}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Wancho}"
+);
+testPropertyEscapes(
+  /^\P{sc=Wcho}+$/u,
+  nonMatchSymbols,
+  "\\P{sc=Wcho}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Warang_Citi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Warang_Citi.js
index 3dbabe78c3..ae8646abb8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Warang_Citi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Warang_Citi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Warang_Citi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Yi.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Yi.js
index d5fdfd1523..01506e9d22 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Yi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Yi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Yi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_-_Zanabazar_Square.js b/test/built-ins/RegExp/property-escapes/generated/Script_-_Zanabazar_Square.js
index e68e916d4c..645afa73b2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_-_Zanabazar_Square.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_-_Zanabazar_Square.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script=Zanabazar_Square`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Adlam.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Adlam.js
index a0327542da..aa411899b6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Adlam.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Adlam.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Adlam`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,7 +18,7 @@ const matchSymbols = buildString({
     0x000640
   ],
   ranges: [
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01E95E, 0x01E95F]
   ]
@@ -51,7 +51,7 @@ const nonMatchSymbols = buildString({
     [0x000000, 0x00063F],
     [0x000641, 0x00DBFF],
     [0x00E000, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01E95D],
     [0x01E960, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ahom.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ahom.js
index aaa523010a..de21228f29 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ahom.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ahom.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Ahom`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Anatolian_Hieroglyphs.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Anatolian_Hieroglyphs.js
index ccf8d33f6e..2c7c27929e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Anatolian_Hieroglyphs.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Anatolian_Hieroglyphs.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Anatolian_Hieroglyphs`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Arabic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Arabic.js
index 0fcbea0691..84fb95adb9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Arabic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Arabic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Arabic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Armenian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Armenian.js
index 991505ccd6..147a0bff7a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Armenian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Armenian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Armenian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Avestan.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Avestan.js
index 0776e5b52b..2a43d22288 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Avestan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Avestan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Avestan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Balinese.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Balinese.js
index f0e4960a45..d263a675e6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Balinese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Balinese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Balinese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bamum.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bamum.js
index 3b66c12d43..f2fbb1a248 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bamum.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bamum.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Bamum`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bassa_Vah.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bassa_Vah.js
index 852aad7ebe..fe48060007 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bassa_Vah.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bassa_Vah.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Bassa_Vah`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Batak.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Batak.js
index cb1262220f..fe4ce2d5f8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Batak.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Batak.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Batak`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bengali.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bengali.js
index 971a8c0676..ec32e67af6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bengali.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bengali.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Bengali`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -23,6 +23,7 @@ const matchSymbols = buildString({
     0x001CE1,
     0x001CEA,
     0x001CED,
+    0x001CF2,
     0x00A8F1
   ],
   ranges: [
@@ -93,7 +94,8 @@ const nonMatchSymbols = buildString({
     [0x001CD9, 0x001CE0],
     [0x001CE2, 0x001CE9],
     [0x001CEB, 0x001CEC],
-    [0x001CEE, 0x001CF4],
+    [0x001CEE, 0x001CF1],
+    [0x001CF3, 0x001CF4],
     [0x001CF8, 0x00A8F0],
     [0x00A8F2, 0x00DBFF],
     [0x00E000, 0x10FFFF]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bhaiksuki.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bhaiksuki.js
index 25d01d418c..316e22e885 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bhaiksuki.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bhaiksuki.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Bhaiksuki`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bopomofo.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bopomofo.js
index 01df5e7713..e0851b558e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bopomofo.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Bopomofo.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Bopomofo`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Brahmi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Brahmi.js
index 1ab77ab8af..1fb7cd47b4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Brahmi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Brahmi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Brahmi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Braille.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Braille.js
index 488183e1ab..430e9e0709 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Braille.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Braille.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Braille`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buginese.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buginese.js
index 24972d8acf..34532c6ddc 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buginese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buginese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Buginese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buhid.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buhid.js
index 123f82c371..7dc760a42d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buhid.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Buhid.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Buhid`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Canadian_Aboriginal.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Canadian_Aboriginal.js
index 4ed967bb25..d7db1534f1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Canadian_Aboriginal.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Canadian_Aboriginal.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Canadian_Aboriginal`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Carian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Carian.js
index d394b290f9..7933d346f7 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Carian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Carian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Carian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Caucasian_Albanian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Caucasian_Albanian.js
index c7a132add0..577df257b2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Caucasian_Albanian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Caucasian_Albanian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Caucasian_Albanian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Chakma.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Chakma.js
index a66836de5d..6922a0b6f8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Chakma.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Chakma.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Chakma`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cham.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cham.js
index 62df381f06..19b4c5266f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Cham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cherokee.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cherokee.js
index 198d1e9ed0..11864db834 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cherokee.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cherokee.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Cherokee`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Common.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Common.js
index 53882b9d44..81d7d95c77 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Common.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Common.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Common`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -37,7 +37,6 @@ const matchSymbols = buildString({
     0x01D4A2,
     0x01D4BB,
     0x01D546,
-    0x01F97A,
     0x0E0001
   ],
   ranges: [
@@ -52,7 +51,8 @@ const matchSymbols = buildString({
     [0x000FD5, 0x000FD8],
     [0x0016EB, 0x0016ED],
     [0x002000, 0x00200B],
-    [0x00200E, 0x002064],
+    [0x00200E, 0x00202E],
+    [0x002030, 0x002064],
     [0x002066, 0x002070],
     [0x002074, 0x00207E],
     [0x002080, 0x00208E],
@@ -68,10 +68,9 @@ const matchSymbols = buildString({
     [0x002460, 0x0027FF],
     [0x002900, 0x002B73],
     [0x002B76, 0x002B95],
-    [0x002B98, 0x002BC8],
-    [0x002BCA, 0x002BFE],
+    [0x002B98, 0x002BFF],
     [0x002E00, 0x002E42],
-    [0x002E44, 0x002E4E],
+    [0x002E44, 0x002E4F],
     [0x002FF0, 0x002FFB],
     [0x003248, 0x00325F],
     [0x0032B1, 0x0032BF],
@@ -95,6 +94,7 @@ const matchSymbols = buildString({
     [0x00FFF9, 0x00FFFD],
     [0x010190, 0x01019B],
     [0x0101D0, 0x0101FC],
+    [0x016FE2, 0x016FE3],
     [0x01D000, 0x01D0F5],
     [0x01D100, 0x01D126],
     [0x01D129, 0x01D166],
@@ -124,6 +124,7 @@ const matchSymbols = buildString({
     [0x01D6A8, 0x01D7CB],
     [0x01D7CE, 0x01D7FF],
     [0x01EC71, 0x01ECB4],
+    [0x01ED01, 0x01ED3D],
     [0x01F000, 0x01F02B],
     [0x01F030, 0x01F093],
     [0x01F0A0, 0x01F0AE],
@@ -131,32 +132,36 @@ const matchSymbols = buildString({
     [0x01F0C1, 0x01F0CF],
     [0x01F0D1, 0x01F0F5],
     [0x01F100, 0x01F10C],
-    [0x01F110, 0x01F16B],
+    [0x01F110, 0x01F16C],
     [0x01F170, 0x01F1AC],
     [0x01F1E6, 0x01F1FF],
     [0x01F201, 0x01F202],
     [0x01F210, 0x01F23B],
     [0x01F240, 0x01F248],
     [0x01F260, 0x01F265],
-    [0x01F300, 0x01F6D4],
+    [0x01F300, 0x01F6D5],
     [0x01F6E0, 0x01F6EC],
-    [0x01F6F0, 0x01F6F9],
+    [0x01F6F0, 0x01F6FA],
     [0x01F700, 0x01F773],
     [0x01F780, 0x01F7D8],
+    [0x01F7E0, 0x01F7EB],
     [0x01F800, 0x01F80B],
     [0x01F810, 0x01F847],
     [0x01F850, 0x01F859],
     [0x01F860, 0x01F887],
     [0x01F890, 0x01F8AD],
     [0x01F900, 0x01F90B],
-    [0x01F910, 0x01F93E],
-    [0x01F940, 0x01F970],
+    [0x01F90D, 0x01F971],
     [0x01F973, 0x01F976],
-    [0x01F97C, 0x01F9A2],
-    [0x01F9B0, 0x01F9B9],
-    [0x01F9C0, 0x01F9C2],
-    [0x01F9D0, 0x01F9FF],
+    [0x01F97A, 0x01F9A2],
+    [0x01F9A5, 0x01F9AA],
+    [0x01F9AE, 0x01F9CA],
+    [0x01F9CD, 0x01FA53],
     [0x01FA60, 0x01FA6D],
+    [0x01FA70, 0x01FA73],
+    [0x01FA78, 0x01FA7A],
+    [0x01FA80, 0x01FA82],
+    [0x01FA90, 0x01FA95],
     [0x0E0020, 0x0E007F]
   ]
 });
@@ -186,12 +191,12 @@ const nonMatchSymbols = buildString({
     0x0000AA,
     0x0000BA,
     0x000386,
+    0x00202F,
     0x002065,
     0x00207F,
     0x002126,
     0x002132,
     0x00214E,
-    0x002BC9,
     0x002E43,
     0x00FE53,
     0x00FE67,
@@ -213,8 +218,8 @@ const nonMatchSymbols = buildString({
     0x01F0C0,
     0x01F0D0,
     0x01F200,
-    0x01F93F,
-    0x01F97B
+    0x01F90C,
+    0x01F972
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -247,8 +252,8 @@ const nonMatchSymbols = buildString({
     [0x002800, 0x0028FF],
     [0x002B74, 0x002B75],
     [0x002B96, 0x002B97],
-    [0x002BFF, 0x002DFF],
-    [0x002E4F, 0x002FEF],
+    [0x002C00, 0x002DFF],
+    [0x002E50, 0x002FEF],
     [0x002FFC, 0x002FFF],
     [0x003001, 0x003003],
     [0x003005, 0x003011],
@@ -277,7 +282,8 @@ const nonMatchSymbols = buildString({
     [0x00FFEF, 0x00FFF8],
     [0x00FFFE, 0x01018F],
     [0x01019C, 0x0101CF],
-    [0x0101FD, 0x01CFFF],
+    [0x0101FD, 0x016FE1],
+    [0x016FE4, 0x01CFFF],
     [0x01D0F6, 0x01D0FF],
     [0x01D127, 0x01D128],
     [0x01D167, 0x01D169],
@@ -296,36 +302,40 @@ const nonMatchSymbols = buildString({
     [0x01D6A6, 0x01D6A7],
     [0x01D7CC, 0x01D7CD],
     [0x01D800, 0x01EC70],
-    [0x01ECB5, 0x01EFFF],
+    [0x01ECB5, 0x01ED00],
+    [0x01ED3E, 0x01EFFF],
     [0x01F02C, 0x01F02F],
     [0x01F094, 0x01F09F],
     [0x01F0AF, 0x01F0B0],
     [0x01F0F6, 0x01F0FF],
     [0x01F10D, 0x01F10F],
-    [0x01F16C, 0x01F16F],
+    [0x01F16D, 0x01F16F],
     [0x01F1AD, 0x01F1E5],
     [0x01F203, 0x01F20F],
     [0x01F23C, 0x01F23F],
     [0x01F249, 0x01F25F],
     [0x01F266, 0x01F2FF],
-    [0x01F6D5, 0x01F6DF],
+    [0x01F6D6, 0x01F6DF],
     [0x01F6ED, 0x01F6EF],
-    [0x01F6FA, 0x01F6FF],
+    [0x01F6FB, 0x01F6FF],
     [0x01F774, 0x01F77F],
-    [0x01F7D9, 0x01F7FF],
+    [0x01F7D9, 0x01F7DF],
+    [0x01F7EC, 0x01F7FF],
     [0x01F80C, 0x01F80F],
     [0x01F848, 0x01F84F],
     [0x01F85A, 0x01F85F],
     [0x01F888, 0x01F88F],
     [0x01F8AE, 0x01F8FF],
-    [0x01F90C, 0x01F90F],
-    [0x01F971, 0x01F972],
     [0x01F977, 0x01F979],
-    [0x01F9A3, 0x01F9AF],
-    [0x01F9BA, 0x01F9BF],
-    [0x01F9C3, 0x01F9CF],
-    [0x01FA00, 0x01FA5F],
-    [0x01FA6E, 0x0E0000],
+    [0x01F9A3, 0x01F9A4],
+    [0x01F9AB, 0x01F9AD],
+    [0x01F9CB, 0x01F9CC],
+    [0x01FA54, 0x01FA5F],
+    [0x01FA6E, 0x01FA6F],
+    [0x01FA74, 0x01FA77],
+    [0x01FA7B, 0x01FA7F],
+    [0x01FA83, 0x01FA8F],
+    [0x01FA96, 0x0E0000],
     [0x0E0002, 0x0E001F],
     [0x0E0080, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Coptic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Coptic.js
index 7307d148be..163aeb9c66 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Coptic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Coptic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Coptic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cuneiform.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cuneiform.js
index 1d09d59ac6..a929667efa 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cuneiform.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cuneiform.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Cuneiform`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cypriot.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cypriot.js
index 968bb06872..69b8c88870 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cypriot.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cypriot.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Cypriot`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cyrillic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cyrillic.js
index 04591627db..e5699083e6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cyrillic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Cyrillic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Cyrillic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Deseret.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Deseret.js
index 3e248441e3..bfc5805317 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Deseret.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Deseret.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Deseret`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Devanagari.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Devanagari.js
index fcc24570e8..33f2e9d3a2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Devanagari.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Devanagari.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Devanagari`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,7 +18,8 @@ const matchSymbols = buildString({
     0x0020F0
   ],
   ranges: [
-    [0x000900, 0x00097F],
+    [0x000900, 0x000952],
+    [0x000955, 0x00097F],
     [0x001CD0, 0x001CF6],
     [0x001CF8, 0x001CF9],
     [0x00A830, 0x00A839],
@@ -53,6 +54,7 @@ const nonMatchSymbols = buildString({
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x0008FF],
+    [0x000953, 0x000954],
     [0x000980, 0x001CCF],
     [0x001CFA, 0x0020EF],
     [0x0020F1, 0x00A82F],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Dogra.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Dogra.js
index e1dd731128..ee5b907913 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Dogra.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Dogra.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Dogra`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Duployan.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Duployan.js
index 84878e7811..822f858037 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Duployan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Duployan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Duployan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Egyptian_Hieroglyphs.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Egyptian_Hieroglyphs.js
index 8071cc440a..4a9aba139e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Egyptian_Hieroglyphs.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Egyptian_Hieroglyphs.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Egyptian_Hieroglyphs`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,7 +16,8 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x013000, 0x01342E]
+    [0x013000, 0x01342E],
+    [0x013430, 0x013438]
   ]
 });
 testPropertyEscapes(
@@ -41,12 +42,14 @@ testPropertyEscapes(
 );
 
 const nonMatchSymbols = buildString({
-  loneCodePoints: [],
+  loneCodePoints: [
+    0x01342F
+  ],
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x012FFF],
-    [0x01342F, 0x10FFFF]
+    [0x013439, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elbasan.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elbasan.js
index 2bb39f531a..b0010ba372 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elbasan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elbasan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Elbasan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elymaic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elymaic.js
new file mode 100644
index 0000000000..4b8556671f
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Elymaic.js
@@ -0,0 +1,71 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script_Extensions=Elymaic`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x010FE0, 0x010FF6]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script_Extensions=Elymaic}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Elymaic}"
+);
+testPropertyEscapes(
+  /^\p{Script_Extensions=Elym}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Elym}"
+);
+testPropertyEscapes(
+  /^\p{scx=Elymaic}+$/u,
+  matchSymbols,
+  "\\p{scx=Elymaic}"
+);
+testPropertyEscapes(
+  /^\p{scx=Elym}+$/u,
+  matchSymbols,
+  "\\p{scx=Elym}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x010FDF],
+    [0x010FF7, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script_Extensions=Elymaic}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Elymaic}"
+);
+testPropertyEscapes(
+  /^\P{Script_Extensions=Elym}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Elym}"
+);
+testPropertyEscapes(
+  /^\P{scx=Elymaic}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Elymaic}"
+);
+testPropertyEscapes(
+  /^\P{scx=Elym}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Elym}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ethiopic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ethiopic.js
index d2a256856e..b2620a4edd 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ethiopic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ethiopic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Ethiopic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Georgian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Georgian.js
index 981c6a5e13..19c4cf8182 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Georgian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Georgian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Georgian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Glagolitic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Glagolitic.js
index f562d2410f..01d148bf38 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Glagolitic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Glagolitic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Glagolitic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gothic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gothic.js
index bfea5d302f..20addd8529 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gothic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gothic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Gothic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Grantha.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Grantha.js
index b98a19fb15..c11d762655 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Grantha.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Grantha.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Grantha`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,7 +18,8 @@ const matchSymbols = buildString({
     0x001CD0,
     0x0020F0,
     0x011350,
-    0x011357
+    0x011357,
+    0x011FD3
   ],
   ranges: [
     [0x000951, 0x000952],
@@ -39,7 +40,8 @@ const matchSymbols = buildString({
     [0x01134B, 0x01134D],
     [0x01135D, 0x011363],
     [0x011366, 0x01136C],
-    [0x011370, 0x011374]
+    [0x011370, 0x011374],
+    [0x011FD0, 0x011FD1]
   ]
 });
 testPropertyEscapes(
@@ -70,7 +72,8 @@ const nonMatchSymbols = buildString({
     0x011329,
     0x011331,
     0x011334,
-    0x01133A
+    0x01133A,
+    0x011FD2
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -92,7 +95,8 @@ const nonMatchSymbols = buildString({
     [0x011358, 0x01135C],
     [0x011364, 0x011365],
     [0x01136D, 0x01136F],
-    [0x011375, 0x10FFFF]
+    [0x011375, 0x011FCF],
+    [0x011FD4, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Greek.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Greek.js
index c43a894432..61622a5dc4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Greek.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Greek.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Greek`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gujarati.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gujarati.js
index 918bbe89de..baa2788640 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gujarati.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gujarati.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Gujarati`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gunjala_Gondi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gunjala_Gondi.js
index debdd72a16..d44b452f0e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gunjala_Gondi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gunjala_Gondi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Gunjala_Gondi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gurmukhi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gurmukhi.js
index ff7497bd22..d468fbf1ec 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gurmukhi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Gurmukhi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Gurmukhi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Han.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Han.js
index a6b0384925..b28fff6ff1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Han.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Han.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Han`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hangul.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hangul.js
index 06695ea381..1834dd27d9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hangul.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hangul.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Hangul`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanifi_Rohingya.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanifi_Rohingya.js
index 5ed6f85b26..f962fafa69 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanifi_Rohingya.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanifi_Rohingya.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Hanifi_Rohingya`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanunoo.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanunoo.js
index ef35c43fec..da0b3d18b9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanunoo.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hanunoo.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Hanunoo`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hatran.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hatran.js
index b6da7779cd..349f778469 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hatran.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hatran.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Hatran`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hebrew.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hebrew.js
index 3f3716659c..571c822c9f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hebrew.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hebrew.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Hebrew`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hiragana.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hiragana.js
index ef6cd74ddb..9a1c3e0f1d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hiragana.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Hiragana.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Hiragana`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -31,7 +31,8 @@ const matchSymbols = buildString({
     [0x00FE45, 0x00FE46],
     [0x00FF61, 0x00FF65],
     [0x00FF9E, 0x00FF9F],
-    [0x01B001, 0x01B11E]
+    [0x01B001, 0x01B11E],
+    [0x01B150, 0x01B152]
   ]
 });
 testPropertyEscapes(
@@ -75,7 +76,8 @@ const nonMatchSymbols = buildString({
     [0x00FF66, 0x00FF6F],
     [0x00FF71, 0x00FF9D],
     [0x00FFA0, 0x01B000],
-    [0x01B11F, 0x01F1FF],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01F1FF],
     [0x01F201, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Imperial_Aramaic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Imperial_Aramaic.js
index 654eb0674b..bf751f9f55 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Imperial_Aramaic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Imperial_Aramaic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Imperial_Aramaic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inherited.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inherited.js
index d0960f8874..37af0dc237 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inherited.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inherited.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Inherited`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -21,6 +21,7 @@ const matchSymbols = buildString({
     [0x000300, 0x000341],
     [0x000343, 0x000344],
     [0x000346, 0x000362],
+    [0x000953, 0x000954],
     [0x001AB0, 0x001ABE],
     [0x001DC2, 0x001DF9],
     [0x001DFB, 0x001DFF],
@@ -75,7 +76,8 @@ const nonMatchSymbols = buildString({
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x0002FF],
-    [0x000363, 0x001AAF],
+    [0x000363, 0x000952],
+    [0x000955, 0x001AAF],
     [0x001ABF, 0x001DC1],
     [0x001E00, 0x00200B],
     [0x00200E, 0x0020CF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Pahlavi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Pahlavi.js
index 52614eb82e..00ce676223 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Pahlavi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Pahlavi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Inscriptional_Pahlavi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Parthian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Parthian.js
index a7bb8d4a4f..2d54d62d58 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Parthian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Inscriptional_Parthian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Inscriptional_Parthian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Javanese.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Javanese.js
index 1103e7114c..3fb01730c6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Javanese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Javanese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Javanese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kaithi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kaithi.js
index 3d650d0c64..74ecee4501 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kaithi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kaithi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Kaithi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kannada.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kannada.js
index 467baacea1..c9c03b3572 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kannada.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kannada.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Kannada`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -19,6 +19,7 @@ const matchSymbols = buildString({
     0x001CD0,
     0x001CD2,
     0x001CDA,
+    0x001CF2,
     0x001CF4
   ],
   ranges: [
@@ -70,7 +71,8 @@ const nonMatchSymbols = buildString({
     0x000CC9,
     0x000CDF,
     0x000CF0,
-    0x001CD1
+    0x001CD1,
+    0x001CF3
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -83,7 +85,7 @@ const nonMatchSymbols = buildString({
     [0x000CE4, 0x000CE5],
     [0x000CF3, 0x001CCF],
     [0x001CD3, 0x001CD9],
-    [0x001CDB, 0x001CF3],
+    [0x001CDB, 0x001CF1],
     [0x001CF5, 0x00A82F],
     [0x00A836, 0x00DBFF],
     [0x00E000, 0x10FFFF]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Katakana.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Katakana.js
index f112914fa1..2ea17fe3e5 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Katakana.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Katakana.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Katakana`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -30,7 +30,8 @@ const matchSymbols = buildString({
     [0x0032D0, 0x0032FE],
     [0x003300, 0x003357],
     [0x00FE45, 0x00FE46],
-    [0x00FF61, 0x00FF9F]
+    [0x00FF61, 0x00FF9F],
+    [0x01B164, 0x01B167]
   ]
 });
 testPropertyEscapes(
@@ -74,7 +75,8 @@ const nonMatchSymbols = buildString({
     [0x00E000, 0x00FE44],
     [0x00FE47, 0x00FF60],
     [0x00FFA0, 0x01AFFF],
-    [0x01B001, 0x10FFFF]
+    [0x01B001, 0x01B163],
+    [0x01B168, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kayah_Li.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kayah_Li.js
index d614996dd4..22b7f75d8c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kayah_Li.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kayah_Li.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Kayah_Li`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kharoshthi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kharoshthi.js
index 4f53bc54ad..749a7f7945 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kharoshthi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Kharoshthi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Kharoshthi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khmer.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khmer.js
index 37a5fe70f5..a9809fcc0c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khmer.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khmer.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Khmer`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khojki.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khojki.js
index 5a0f4bc3aa..b766134532 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khojki.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khojki.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Khojki`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khudawadi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khudawadi.js
index cb32301c56..47dcd851db 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khudawadi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Khudawadi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Khudawadi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lao.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lao.js
index 3b9a286abd..e4fcaf413e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lao.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lao.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Lao`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,21 +16,14 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6
   ],
   ranges: [
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -61,23 +54,16 @@ testPropertyEscapes(
 const nonMatchSymbols = buildString({
   loneCodePoints: [
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Latin.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Latin.js
index a08f4bab72..d0b7389497 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Latin.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Latin.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Latin`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,6 +18,7 @@ const matchSymbols = buildString({
     0x0000AA,
     0x0000BA,
     0x0010FB,
+    0x00202F,
     0x002071,
     0x00207F,
     0x0020F0,
@@ -46,10 +47,12 @@ const matchSymbols = buildString({
     [0x002160, 0x002188],
     [0x002C60, 0x002C7F],
     [0x00A722, 0x00A787],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A7FF],
     [0x00AB30, 0x00AB5A],
     [0x00AB5C, 0x00AB64],
+    [0x00AB66, 0x00AB67],
     [0x00FB00, 0x00FB06],
     [0x00FF21, 0x00FF3A],
     [0x00FF41, 0x00FF5A]
@@ -81,7 +84,8 @@ const nonMatchSymbols = buildString({
     0x0000D7,
     0x0000F7,
     0x001D78,
-    0x00AB5B
+    0x00AB5B,
+    0x00AB65
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
@@ -100,7 +104,8 @@ const nonMatchSymbols = buildString({
     [0x001D5D, 0x001D61],
     [0x001D66, 0x001D6A],
     [0x001DBF, 0x001DFF],
-    [0x001F00, 0x002070],
+    [0x001F00, 0x00202E],
+    [0x002030, 0x002070],
     [0x002072, 0x00207E],
     [0x002080, 0x00208F],
     [0x00209D, 0x0020EF],
@@ -111,10 +116,11 @@ const nonMatchSymbols = buildString({
     [0x002189, 0x002C5F],
     [0x002C80, 0x00A721],
     [0x00A788, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A800, 0x00A92D],
     [0x00A92F, 0x00AB2F],
-    [0x00AB65, 0x00DBFF],
+    [0x00AB68, 0x00DBFF],
     [0x00E000, 0x00FAFF],
     [0x00FB07, 0x00FF20],
     [0x00FF3B, 0x00FF40],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lepcha.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lepcha.js
index 74cb0f9b41..62fec4a32a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lepcha.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lepcha.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Lepcha`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Limbu.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Limbu.js
index 1873441cd3..a7853351e1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Limbu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Limbu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Limbu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_A.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_A.js
index 9171ba926a..16f2d5a836 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_A.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_A.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Linear_A`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_B.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_B.js
index 3197473cd1..8046e16e59 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_B.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Linear_B.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Linear_B`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lisu.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lisu.js
index f9659b4b1f..033090c0fc 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lisu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lisu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Lisu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lycian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lycian.js
index da15d32667..8f748e9b77 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lycian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lycian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Lycian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lydian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lydian.js
index fb1232c53d..1bed789822 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lydian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Lydian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Lydian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mahajani.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mahajani.js
index 824db3a38a..44169efc13 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mahajani.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mahajani.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Mahajani`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Makasar.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Makasar.js
index 3e25122ab9..f701b92b46 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Makasar.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Makasar.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Makasar`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Malayalam.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Malayalam.js
index f275af7f5c..8257df9d64 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Malayalam.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Malayalam.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Malayalam`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mandaic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mandaic.js
index e012ea3b9c..5bcc185cb2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mandaic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mandaic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Mandaic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Manichaean.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Manichaean.js
index 07de486157..7af56d02f3 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Manichaean.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Manichaean.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Manichaean`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Marchen.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Marchen.js
index dbb1d129c1..57c0db054b 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Marchen.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Marchen.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Marchen`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Masaram_Gondi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Masaram_Gondi.js
index 5a122c6b54..44fc368e98 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Masaram_Gondi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Masaram_Gondi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Masaram_Gondi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,6 +18,7 @@ const matchSymbols = buildString({
     0x011D3A
   ],
   ranges: [
+    [0x000964, 0x000965],
     [0x011D00, 0x011D06],
     [0x011D08, 0x011D09],
     [0x011D0B, 0x011D36],
@@ -56,7 +57,8 @@ const nonMatchSymbols = buildString({
   ],
   ranges: [
     [0x00DC00, 0x00DFFF],
-    [0x000000, 0x00DBFF],
+    [0x000000, 0x000963],
+    [0x000966, 0x00DBFF],
     [0x00E000, 0x011CFF],
     [0x011D37, 0x011D39],
     [0x011D48, 0x011D4F],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Medefaidrin.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Medefaidrin.js
index 7b8c605088..a16d4e5581 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Medefaidrin.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Medefaidrin.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Medefaidrin`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meetei_Mayek.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meetei_Mayek.js
index 55a8904dd8..b44f5335b6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meetei_Mayek.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meetei_Mayek.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Meetei_Mayek`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mende_Kikakui.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mende_Kikakui.js
index 5e3000edbc..84b3d3e2f6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mende_Kikakui.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mende_Kikakui.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Mende_Kikakui`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Cursive.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Cursive.js
index df5a92ee77..f61510a414 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Cursive.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Cursive.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Meroitic_Cursive`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Hieroglyphs.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Hieroglyphs.js
index 7116b0b6bf..960fabd5fe 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Hieroglyphs.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Meroitic_Hieroglyphs.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Meroitic_Hieroglyphs`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Miao.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Miao.js
index 334ddecaea..151c0ae149 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Miao.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Miao.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Miao`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,8 +16,8 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F]
   ]
 });
@@ -48,8 +48,8 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Modi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Modi.js
index c01065a84a..e4756cea70 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Modi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Modi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Modi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mongolian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mongolian.js
index a48f60279c..e1e0d75b98 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mongolian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mongolian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,14 +7,16 @@ description: >
   Unicode property escapes for `Script_Extensions=Mongolian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
 ---*/
 
 const matchSymbols = buildString({
-  loneCodePoints: [],
+  loneCodePoints: [
+    0x00202F
+  ],
   ranges: [
     [0x001800, 0x00180E],
     [0x001810, 0x001819],
@@ -53,7 +55,8 @@ const nonMatchSymbols = buildString({
     [0x000000, 0x0017FF],
     [0x00181A, 0x00181F],
     [0x001879, 0x00187F],
-    [0x0018AB, 0x00DBFF],
+    [0x0018AB, 0x00202E],
+    [0x002030, 0x00DBFF],
     [0x00E000, 0x01165F],
     [0x01166D, 0x10FFFF]
   ]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mro.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mro.js
index 7ad3d6d452..fbbb51f2ac 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mro.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Mro.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Mro`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Multani.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Multani.js
index d5eb4fca15..b4430c8fe5 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Multani.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Multani.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Multani`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Myanmar.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Myanmar.js
index b53d9157f5..5e71ace296 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Myanmar.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Myanmar.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Myanmar`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nabataean.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nabataean.js
index 59e21842e0..282ca725f8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nabataean.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nabataean.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Nabataean`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nandinagari.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nandinagari.js
new file mode 100644
index 0000000000..2683df364c
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nandinagari.js
@@ -0,0 +1,88 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script_Extensions=Nandinagari`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [
+    0x001CE9,
+    0x001CF2,
+    0x001CFA
+  ],
+  ranges: [
+    [0x000964, 0x000965],
+    [0x000CE6, 0x000CEF],
+    [0x00A830, 0x00A835],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E4]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script_Extensions=Nandinagari}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\p{Script_Extensions=Nand}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Nand}"
+);
+testPropertyEscapes(
+  /^\p{scx=Nandinagari}+$/u,
+  matchSymbols,
+  "\\p{scx=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\p{scx=Nand}+$/u,
+  matchSymbols,
+  "\\p{scx=Nand}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x000963],
+    [0x000966, 0x000CE5],
+    [0x000CF0, 0x001CE8],
+    [0x001CEA, 0x001CF1],
+    [0x001CF3, 0x001CF9],
+    [0x001CFB, 0x00A82F],
+    [0x00A836, 0x00DBFF],
+    [0x00E000, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script_Extensions=Nandinagari}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\P{Script_Extensions=Nand}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Nand}"
+);
+testPropertyEscapes(
+  /^\P{scx=Nandinagari}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Nandinagari}"
+);
+testPropertyEscapes(
+  /^\P{scx=Nand}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Nand}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_New_Tai_Lue.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_New_Tai_Lue.js
index 2d6ae3fd33..e707311c72 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_New_Tai_Lue.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_New_Tai_Lue.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=New_Tai_Lue`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Newa.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Newa.js
index f9c1fad7e9..60572894ce 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Newa.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Newa.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Newa`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -19,7 +19,7 @@ const matchSymbols = buildString({
   ],
   ranges: [
     [0x011400, 0x011459],
-    [0x01145D, 0x01145E]
+    [0x01145D, 0x01145F]
   ]
 });
 testPropertyEscapes(
@@ -52,7 +52,7 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x0113FF],
-    [0x01145F, 0x10FFFF]
+    [0x011460, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nko.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nko.js
index 36ef146b6c..2cb757f9e8 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nko.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nko.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Nko`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nushu.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nushu.js
index ceb987f51d..fc8079e711 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nushu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nushu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Nushu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nyiakeng_Puachue_Hmong.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nyiakeng_Puachue_Hmong.js
new file mode 100644
index 0000000000..4656a2340e
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Nyiakeng_Puachue_Hmong.js
@@ -0,0 +1,77 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script_Extensions=Nyiakeng_Puachue_Hmong`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E14E, 0x01E14F]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script_Extensions=Nyiakeng_Puachue_Hmong}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\p{Script_Extensions=Hmnp}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Hmnp}"
+);
+testPropertyEscapes(
+  /^\p{scx=Nyiakeng_Puachue_Hmong}+$/u,
+  matchSymbols,
+  "\\p{scx=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\p{scx=Hmnp}+$/u,
+  matchSymbols,
+  "\\p{scx=Hmnp}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E150, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script_Extensions=Nyiakeng_Puachue_Hmong}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\P{Script_Extensions=Hmnp}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Hmnp}"
+);
+testPropertyEscapes(
+  /^\P{scx=Nyiakeng_Puachue_Hmong}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Nyiakeng_Puachue_Hmong}"
+);
+testPropertyEscapes(
+  /^\P{scx=Hmnp}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Hmnp}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ogham.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ogham.js
index a866c9241b..045e9180b7 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ogham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ogham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Ogham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ol_Chiki.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ol_Chiki.js
index 11ab9613c6..a3fd900162 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ol_Chiki.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ol_Chiki.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Ol_Chiki`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Hungarian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Hungarian.js
index d937ea9c65..d9759d5508 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Hungarian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Hungarian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_Hungarian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Italic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Italic.js
index 9cc191085c..6433ef2760 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Italic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Italic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_Italic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_North_Arabian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_North_Arabian.js
index 50a4ff7940..b762de4f65 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_North_Arabian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_North_Arabian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_North_Arabian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Permic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Permic.js
index c0abbca203..865f3a4581 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Permic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Permic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_Permic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Persian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Persian.js
index 27053cef3e..ed02943119 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Persian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Persian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_Persian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Sogdian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Sogdian.js
index 104dd2ec0d..d0188f8fee 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Sogdian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Sogdian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_Sogdian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_South_Arabian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_South_Arabian.js
index a9c54dffba..942f66ba94 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_South_Arabian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_South_Arabian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_South_Arabian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Turkic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Turkic.js
index 219b2c2a8b..c3df418656 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Turkic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Old_Turkic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Old_Turkic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Oriya.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Oriya.js
index 0b7fe5f126..9baebb1c03 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Oriya.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Oriya.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Oriya`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -15,7 +15,8 @@ includes: [regExpUtils.js]
 
 const matchSymbols = buildString({
   loneCodePoints: [
-    0x001CDA
+    0x001CDA,
+    0x001CF2
   ],
   ranges: [
     [0x000951, 0x000952],
@@ -79,7 +80,8 @@ const nonMatchSymbols = buildString({
     [0x000B58, 0x000B5B],
     [0x000B64, 0x000B65],
     [0x000B78, 0x001CD9],
-    [0x001CDB, 0x00DBFF],
+    [0x001CDB, 0x001CF1],
+    [0x001CF3, 0x00DBFF],
     [0x00E000, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osage.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osage.js
index 2f56dd25fe..9856d8065a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osage.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osage.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Osage`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osmanya.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osmanya.js
index ec1d11e89f..04560207c9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osmanya.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Osmanya.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Osmanya`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pahawh_Hmong.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pahawh_Hmong.js
index 9db8471549..6589f19aa7 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pahawh_Hmong.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pahawh_Hmong.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Pahawh_Hmong`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Palmyrene.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Palmyrene.js
index 0900b14d74..e49ecba22c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Palmyrene.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Palmyrene.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Palmyrene`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pau_Cin_Hau.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pau_Cin_Hau.js
index c47ce93cbb..e5b070baf4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pau_Cin_Hau.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pau_Cin_Hau.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Pau_Cin_Hau`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phags_Pa.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phags_Pa.js
index 181d278f76..cafd59824a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phags_Pa.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phags_Pa.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Phags_Pa`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phoenician.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phoenician.js
index c12cf3864c..1727310b14 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phoenician.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Phoenician.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Phoenician`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Psalter_Pahlavi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Psalter_Pahlavi.js
index 1c0f3fbc64..b58a312021 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Psalter_Pahlavi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Psalter_Pahlavi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Psalter_Pahlavi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Rejang.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Rejang.js
index e12dc6ecdc..da77784d15 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Rejang.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Rejang.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Rejang`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Runic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Runic.js
index 7314e72f8e..515083fd4c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Runic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Runic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Runic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Samaritan.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Samaritan.js
index afcd878b89..b27d983d86 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Samaritan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Samaritan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Samaritan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Saurashtra.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Saurashtra.js
index 61476c000f..cc9eb1f0f4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Saurashtra.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Saurashtra.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Saurashtra`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sharada.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sharada.js
index bcd3bc4395..80d3ce5c26 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sharada.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sharada.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Sharada`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Shavian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Shavian.js
index ad8927ba84..9c57148770 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Shavian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Shavian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Shavian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Siddham.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Siddham.js
index 21de8ca0bf..48ccfb189d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Siddham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Siddham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Siddham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_SignWriting.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_SignWriting.js
index d4815bf733..8637a22bdb 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_SignWriting.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_SignWriting.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=SignWriting`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sinhala.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sinhala.js
index c8bf65caaf..84556620f0 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sinhala.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sinhala.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Sinhala`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sogdian.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sogdian.js
index 6b18a81553..5fc90452b1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sogdian.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sogdian.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Sogdian`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sora_Sompeng.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sora_Sompeng.js
index 3e6a17bec6..def2633e67 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sora_Sompeng.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sora_Sompeng.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Sora_Sompeng`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Soyombo.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Soyombo.js
index 516c9c60e0..b1e5f177b4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Soyombo.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Soyombo.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Soyombo`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -16,8 +16,7 @@ includes: [regExpUtils.js]
 const matchSymbols = buildString({
   loneCodePoints: [],
   ranges: [
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011AA2]
+    [0x011A50, 0x011AA2]
   ]
 });
 testPropertyEscapes(
@@ -47,7 +46,6 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x00DBFF],
     [0x00E000, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011AA3, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sundanese.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sundanese.js
index 9ecc0354c8..39b961e4ed 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sundanese.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Sundanese.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Sundanese`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syloti_Nagri.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syloti_Nagri.js
index 52abd48a98..35a1bba446 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syloti_Nagri.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syloti_Nagri.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Syloti_Nagri`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syriac.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syriac.js
index 2164d771f7..7c5f6fe1dd 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syriac.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Syriac.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Syriac`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagalog.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagalog.js
index cf7fc52de3..62615f893f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagalog.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagalog.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tagalog`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagbanwa.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagbanwa.js
index f388e74378..816bed3f48 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagbanwa.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tagbanwa.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tagbanwa`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Le.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Le.js
index 096ee6044a..79b2795316 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Le.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Le.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tai_Le`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Tham.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Tham.js
index 9d9774cd1d..1c511a56d4 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Tham.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Tham.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tai_Tham`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Viet.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Viet.js
index fe2ea71144..b9bcee15de 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Viet.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tai_Viet.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tai_Viet`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Takri.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Takri.js
index a24622d0a6..0a176377e6 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Takri.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Takri.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Takri`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,7 +18,7 @@ const matchSymbols = buildString({
   ranges: [
     [0x000964, 0x000965],
     [0x00A830, 0x00A839],
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9]
   ]
 });
@@ -51,7 +51,7 @@ const nonMatchSymbols = buildString({
     [0x000966, 0x00A82F],
     [0x00A83A, 0x00DBFF],
     [0x00E000, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tamil.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tamil.js
index 3d6c19beb2..581eeabfc1 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tamil.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tamil.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tamil`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -21,7 +21,8 @@ const matchSymbols = buildString({
     0x001CDA,
     0x00A8F3,
     0x011301,
-    0x011303
+    0x011303,
+    0x011FFF
   ],
   ranges: [
     [0x000951, 0x000952],
@@ -39,7 +40,8 @@ const matchSymbols = buildString({
     [0x000BC6, 0x000BC8],
     [0x000BCA, 0x000BCD],
     [0x000BE6, 0x000BFA],
-    [0x01133B, 0x01133C]
+    [0x01133B, 0x01133C],
+    [0x011FC0, 0x011FF1]
   ]
 });
 testPropertyEscapes(
@@ -92,7 +94,9 @@ const nonMatchSymbols = buildString({
     [0x00A8F4, 0x00DBFF],
     [0x00E000, 0x011300],
     [0x011304, 0x01133A],
-    [0x01133D, 0x10FFFF]
+    [0x01133D, 0x011FBF],
+    [0x011FF2, 0x011FFE],
+    [0x012000, 0x10FFFF]
   ]
 });
 testPropertyEscapes(
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tangut.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tangut.js
index e19d9d7905..7e70252657 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tangut.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tangut.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tangut`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -18,7 +18,7 @@ const matchSymbols = buildString({
     0x016FE0
   ],
   ranges: [
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2]
   ]
 });
@@ -50,7 +50,7 @@ const nonMatchSymbols = buildString({
     [0x000000, 0x00DBFF],
     [0x00E000, 0x016FDF],
     [0x016FE1, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Telugu.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Telugu.js
index e7996d0d85..a42b43c89e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Telugu.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Telugu.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Telugu`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -15,7 +15,8 @@ includes: [regExpUtils.js]
 
 const matchSymbols = buildString({
   loneCodePoints: [
-    0x001CDA
+    0x001CDA,
+    0x001CF2
   ],
   ranges: [
     [0x000951, 0x000952],
@@ -31,7 +32,7 @@ const matchSymbols = buildString({
     [0x000C58, 0x000C5A],
     [0x000C60, 0x000C63],
     [0x000C66, 0x000C6F],
-    [0x000C78, 0x000C7F]
+    [0x000C77, 0x000C7F]
   ]
 });
 testPropertyEscapes(
@@ -73,9 +74,10 @@ const nonMatchSymbols = buildString({
     [0x000C4E, 0x000C54],
     [0x000C5B, 0x000C5F],
     [0x000C64, 0x000C65],
-    [0x000C70, 0x000C77],
+    [0x000C70, 0x000C76],
     [0x000C80, 0x001CD9],
-    [0x001CDB, 0x00DBFF],
+    [0x001CDB, 0x001CF1],
+    [0x001CF3, 0x00DBFF],
     [0x00E000, 0x10FFFF]
   ]
 });
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thaana.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thaana.js
index ad7244d69b..59328adad2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thaana.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thaana.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Thaana`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thai.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thai.js
index ec9b5c3249..ce5db1b224 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thai.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Thai.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Thai`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tibetan.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tibetan.js
index 57869a25e5..bfc1d4b55a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tibetan.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tibetan.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tibetan`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tifinagh.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tifinagh.js
index 31c33df5ea..2facfefaa0 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tifinagh.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tifinagh.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Tifinagh`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tirhuta.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tirhuta.js
index 2140f074a3..2ca9db1f91 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tirhuta.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Tirhuta.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,14 +7,16 @@ description: >
   Unicode property escapes for `Script_Extensions=Tirhuta`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
 ---*/
 
 const matchSymbols = buildString({
-  loneCodePoints: [],
+  loneCodePoints: [
+    0x001CF2
+  ],
   ranges: [
     [0x000951, 0x000952],
     [0x000964, 0x000965],
@@ -50,7 +52,8 @@ const nonMatchSymbols = buildString({
     [0x00DC00, 0x00DFFF],
     [0x000000, 0x000950],
     [0x000953, 0x000963],
-    [0x000966, 0x00A82F],
+    [0x000966, 0x001CF1],
+    [0x001CF3, 0x00A82F],
     [0x00A83A, 0x00DBFF],
     [0x00E000, 0x01147F],
     [0x0114C8, 0x0114CF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ugaritic.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ugaritic.js
index 6f85fbb242..672f5e883e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ugaritic.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Ugaritic.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Ugaritic`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Vai.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Vai.js
index 553bf0ac4d..4e9f6a042a 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Vai.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Vai.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Vai`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Wancho.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Wancho.js
new file mode 100644
index 0000000000..5aa30f62a3
--- /dev/null
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Wancho.js
@@ -0,0 +1,74 @@
+// Copyright 2019 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Unicode property escapes for `Script_Extensions=Wancho`
+info: |
+  Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
+  Unicode v12.0.0
+esid: sec-static-semantics-unicodematchproperty-p
+features: [regexp-unicode-property-escapes]
+includes: [regExpUtils.js]
+---*/
+
+const matchSymbols = buildString({
+  loneCodePoints: [
+    0x01E2FF
+  ],
+  ranges: [
+    [0x01E2C0, 0x01E2F9]
+  ]
+});
+testPropertyEscapes(
+  /^\p{Script_Extensions=Wancho}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Wancho}"
+);
+testPropertyEscapes(
+  /^\p{Script_Extensions=Wcho}+$/u,
+  matchSymbols,
+  "\\p{Script_Extensions=Wcho}"
+);
+testPropertyEscapes(
+  /^\p{scx=Wancho}+$/u,
+  matchSymbols,
+  "\\p{scx=Wancho}"
+);
+testPropertyEscapes(
+  /^\p{scx=Wcho}+$/u,
+  matchSymbols,
+  "\\p{scx=Wcho}"
+);
+
+const nonMatchSymbols = buildString({
+  loneCodePoints: [],
+  ranges: [
+    [0x00DC00, 0x00DFFF],
+    [0x000000, 0x00DBFF],
+    [0x00E000, 0x01E2BF],
+    [0x01E2FA, 0x01E2FE],
+    [0x01E300, 0x10FFFF]
+  ]
+});
+testPropertyEscapes(
+  /^\P{Script_Extensions=Wancho}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Wancho}"
+);
+testPropertyEscapes(
+  /^\P{Script_Extensions=Wcho}+$/u,
+  nonMatchSymbols,
+  "\\P{Script_Extensions=Wcho}"
+);
+testPropertyEscapes(
+  /^\P{scx=Wancho}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Wancho}"
+);
+testPropertyEscapes(
+  /^\P{scx=Wcho}+$/u,
+  nonMatchSymbols,
+  "\\P{scx=Wcho}"
+);
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Warang_Citi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Warang_Citi.js
index 11d3d3db5e..6314ee09b2 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Warang_Citi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Warang_Citi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Warang_Citi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Yi.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Yi.js
index e64b13cbf5..43270a8d9d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Yi.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Yi.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Yi`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Zanabazar_Square.js b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Zanabazar_Square.js
index 044847b0cb..d94c5cbf3d 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Zanabazar_Square.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Zanabazar_Square.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Script_Extensions=Zanabazar_Square`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Sentence_Terminal.js b/test/built-ins/RegExp/property-escapes/generated/Sentence_Terminal.js
index 88f7666e31..50a011de6f 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Sentence_Terminal.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Sentence_Terminal.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Sentence_Terminal`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Soft_Dotted.js b/test/built-ins/RegExp/property-escapes/generated/Soft_Dotted.js
index 94830e940c..22de4ab308 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Soft_Dotted.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Soft_Dotted.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Soft_Dotted`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Terminal_Punctuation.js b/test/built-ins/RegExp/property-escapes/generated/Terminal_Punctuation.js
index cbd1ce699f..b160ea4ab9 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Terminal_Punctuation.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Terminal_Punctuation.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Terminal_Punctuation`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -29,12 +29,12 @@ const matchSymbols = buildString({
     0x00070C,
     0x00085E,
     0x000F08,
+    0x00166E,
     0x0017DA,
     0x002E2E,
     0x002E3C,
     0x002E41,
     0x002E4C,
-    0x002E4E,
     0x00A92F,
     0x00AADF,
     0x00ABEB,
@@ -67,7 +67,6 @@ const matchSymbols = buildString({
     [0x000F0D, 0x000F12],
     [0x00104A, 0x00104B],
     [0x001361, 0x001368],
-    [0x00166D, 0x00166E],
     [0x0016EB, 0x0016ED],
     [0x001735, 0x001736],
     [0x0017D4, 0x0017D6],
@@ -81,6 +80,7 @@ const matchSymbols = buildString({
     [0x001C7E, 0x001C7F],
     [0x00203C, 0x00203D],
     [0x002047, 0x002049],
+    [0x002E4E, 0x002E4F],
     [0x003001, 0x003002],
     [0x00A4FE, 0x00A4FF],
     [0x00A60D, 0x00A60F],
@@ -165,7 +165,7 @@ const nonMatchSymbols = buildString({
     [0x000F09, 0x000F0C],
     [0x000F13, 0x001049],
     [0x00104C, 0x001360],
-    [0x001369, 0x00166C],
+    [0x001369, 0x00166D],
     [0x00166F, 0x0016EA],
     [0x0016EE, 0x001734],
     [0x001737, 0x0017D3],
@@ -183,7 +183,7 @@ const nonMatchSymbols = buildString({
     [0x002E2F, 0x002E3B],
     [0x002E3D, 0x002E40],
     [0x002E42, 0x002E4B],
-    [0x002E4F, 0x003000],
+    [0x002E50, 0x003000],
     [0x003003, 0x00A4FD],
     [0x00A500, 0x00A60C],
     [0x00A610, 0x00A6F2],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Unified_Ideograph.js b/test/built-ins/RegExp/property-escapes/generated/Unified_Ideograph.js
index 305d344294..b08ee4170c 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Unified_Ideograph.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Unified_Ideograph.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Unified_Ideograph`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/Uppercase.js b/test/built-ins/RegExp/property-escapes/generated/Uppercase.js
index 4f75f74d6a..32ac04ae40 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Uppercase.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Uppercase.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Uppercase`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -551,6 +551,10 @@ const matchSymbols = buildString({
     0x00A7A8,
     0x00A7B6,
     0x00A7B8,
+    0x00A7BA,
+    0x00A7BC,
+    0x00A7BE,
+    0x00A7C2,
     0x01D49C,
     0x01D4A2,
     0x01D546,
@@ -616,6 +620,7 @@ const matchSymbols = buildString({
     [0x00A77D, 0x00A77E],
     [0x00A7AA, 0x00A7AE],
     [0x00A7B0, 0x00A7B4],
+    [0x00A7C4, 0x00A7C6],
     [0x00FF21, 0x00FF3A],
     [0x010400, 0x010427],
     [0x0104B0, 0x0104D3],
@@ -1183,6 +1188,10 @@ const nonMatchSymbols = buildString({
     0x00A7AF,
     0x00A7B5,
     0x00A7B7,
+    0x00A7B9,
+    0x00A7BB,
+    0x00A7BD,
+    0x00A7C3,
     0x01D49D,
     0x01D4AD,
     0x01D506,
@@ -1273,7 +1282,8 @@ const nonMatchSymbols = buildString({
     [0x00A787, 0x00A78A],
     [0x00A78E, 0x00A78F],
     [0x00A793, 0x00A795],
-    [0x00A7B9, 0x00DBFF],
+    [0x00A7BF, 0x00A7C1],
+    [0x00A7C7, 0x00DBFF],
     [0x00E000, 0x00FF20],
     [0x00FF3B, 0x0103FF],
     [0x010428, 0x0104AF],
diff --git a/test/built-ins/RegExp/property-escapes/generated/Variation_Selector.js b/test/built-ins/RegExp/property-escapes/generated/Variation_Selector.js
index 52f64c4325..950ac2f0cf 100644
--- a/test/built-ins/RegExp/property-escapes/generated/Variation_Selector.js
+++ b/test/built-ins/RegExp/property-escapes/generated/Variation_Selector.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `Variation_Selector`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/White_Space.js b/test/built-ins/RegExp/property-escapes/generated/White_Space.js
index d31883e61c..f3c0f48a14 100644
--- a/test/built-ins/RegExp/property-escapes/generated/White_Space.js
+++ b/test/built-ins/RegExp/property-escapes/generated/White_Space.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `White_Space`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
diff --git a/test/built-ins/RegExp/property-escapes/generated/XID_Continue.js b/test/built-ins/RegExp/property-escapes/generated/XID_Continue.js
index f4a92ec581..cb83f31a7e 100644
--- a/test/built-ins/RegExp/property-escapes/generated/XID_Continue.js
+++ b/test/built-ins/RegExp/property-escapes/generated/XID_Continue.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `XID_Continue`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -47,10 +47,7 @@ const matchSymbols = buildString({
     0x000DCA,
     0x000DD6,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EC6,
     0x000F00,
     0x000F35,
@@ -102,18 +99,19 @@ const matchSymbols = buildString({
     0x011288,
     0x011350,
     0x011357,
-    0x01145E,
     0x0114C7,
     0x011644,
     0x0118FF,
     0x011A47,
     0x011A9D,
     0x011D3A,
+    0x016FE3,
     0x01D4A2,
     0x01D4BB,
     0x01D546,
     0x01DA75,
     0x01DA84,
+    0x01E14E,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -285,13 +283,9 @@ const matchSymbols = buildString({
     [0x000E40, 0x000E4E],
     [0x000E50, 0x000E59],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB9],
-    [0x000EBB, 0x000EBD],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EBD],
     [0x000EC0, 0x000EC4],
     [0x000EC8, 0x000ECD],
     [0x000ED0, 0x000ED9],
@@ -371,7 +365,7 @@ const matchSymbols = buildString({
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CBF],
     [0x001CD0, 0x001CD2],
-    [0x001CD4, 0x001CF9],
+    [0x001CD4, 0x001CFA],
     [0x001D00, 0x001DF9],
     [0x001DFB, 0x001F15],
     [0x001F18, 0x001F1D],
@@ -438,7 +432,8 @@ const matchSymbols = buildString({
     [0x00A67F, 0x00A6F1],
     [0x00A717, 0x00A71F],
     [0x00A722, 0x00A788],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A827],
     [0x00A840, 0x00A873],
     [0x00A880, 0x00A8C5],
@@ -464,7 +459,7 @@ const matchSymbols = buildString({
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABEA],
     [0x00ABEC, 0x00ABED],
     [0x00ABF0, 0x00ABF9],
@@ -558,6 +553,7 @@ const matchSymbols = buildString({
     [0x010D30, 0x010D39],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F50],
+    [0x010FE0, 0x010FF6],
     [0x011000, 0x011046],
     [0x011066, 0x01106F],
     [0x01107F, 0x0110BA],
@@ -593,6 +589,7 @@ const matchSymbols = buildString({
     [0x011370, 0x011374],
     [0x011400, 0x01144A],
     [0x011450, 0x011459],
+    [0x01145E, 0x01145F],
     [0x011480, 0x0114C5],
     [0x0114D0, 0x0114D9],
     [0x011580, 0x0115B5],
@@ -600,16 +597,19 @@ const matchSymbols = buildString({
     [0x0115D8, 0x0115DD],
     [0x011600, 0x011640],
     [0x011650, 0x011659],
-    [0x011680, 0x0116B7],
+    [0x011680, 0x0116B8],
     [0x0116C0, 0x0116C9],
     [0x011700, 0x01171A],
     [0x01171D, 0x01172B],
     [0x011730, 0x011739],
     [0x011800, 0x01183A],
     [0x0118A0, 0x0118E9],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D7],
+    [0x0119DA, 0x0119E1],
+    [0x0119E3, 0x0119E4],
     [0x011A00, 0x011A3E],
-    [0x011A50, 0x011A83],
-    [0x011A86, 0x011A99],
+    [0x011A50, 0x011A99],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C36],
@@ -647,13 +647,15 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E7F],
-    [0x016F00, 0x016F44],
-    [0x016F50, 0x016F7E],
+    [0x016F00, 0x016F4A],
+    [0x016F4F, 0x016F87],
     [0x016F8F, 0x016F9F],
     [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -703,9 +705,13 @@ const matchSymbols = buildString({
     [0x01E01B, 0x01E021],
     [0x01E023, 0x01E024],
     [0x01E026, 0x01E02A],
+    [0x01E100, 0x01E12C],
+    [0x01E130, 0x01E13D],
+    [0x01E140, 0x01E149],
+    [0x01E2C0, 0x01E2F9],
     [0x01E800, 0x01E8C4],
     [0x01E8D0, 0x01E8D6],
-    [0x01E900, 0x01E94A],
+    [0x01E900, 0x01E94B],
     [0x01E950, 0x01E959],
     [0x01EE00, 0x01EE03],
     [0x01EE05, 0x01EE1F],
@@ -827,13 +833,10 @@ const nonMatchSymbols = buildString({
     0x000DD7,
     0x000E4F,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
-    0x000EBA,
     0x000EC5,
     0x000EC7,
     0x000F36,
@@ -931,6 +934,7 @@ const nonMatchSymbols = buildString({
     0x011334,
     0x01133A,
     0x0114C6,
+    0x0119E2,
     0x011C09,
     0x011C37,
     0x011CA8,
@@ -943,6 +947,7 @@ const nonMatchSymbols = buildString({
     0x011D8F,
     0x011D92,
     0x016A5F,
+    0x016FE2,
     0x01D455,
     0x01D49D,
     0x01D4AD,
@@ -1103,10 +1108,6 @@ const nonMatchSymbols = buildString({
     [0x000DF4, 0x000E00],
     [0x000E3B, 0x000E3F],
     [0x000E5A, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EBE, 0x000EBF],
     [0x000ECE, 0x000ECF],
     [0x000EDA, 0x000EDB],
@@ -1174,7 +1175,7 @@ const nonMatchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001CCF],
-    [0x001CFA, 0x001CFF],
+    [0x001CFB, 0x001CFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
     [0x001F46, 0x001F47],
@@ -1230,7 +1231,8 @@ const nonMatchSymbols = buildString({
     [0x00A6F2, 0x00A716],
     [0x00A720, 0x00A721],
     [0x00A789, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A828, 0x00A83F],
     [0x00A874, 0x00A87F],
     [0x00A8C6, 0x00A8CF],
@@ -1252,7 +1254,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABEE, 0x00ABEF],
     [0x00ABFA, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
@@ -1335,7 +1337,8 @@ const nonMatchSymbols = buildString({
     [0x010D3A, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F51, 0x010FFF],
+    [0x010F51, 0x010FDF],
+    [0x010FF7, 0x010FFF],
     [0x011047, 0x011065],
     [0x011070, 0x01107E],
     [0x0110BB, 0x0110CF],
@@ -1365,7 +1368,7 @@ const nonMatchSymbols = buildString({
     [0x011375, 0x0113FF],
     [0x01144B, 0x01144F],
     [0x01145A, 0x01145D],
-    [0x01145F, 0x01147F],
+    [0x011460, 0x01147F],
     [0x0114C8, 0x0114CF],
     [0x0114DA, 0x01157F],
     [0x0115B6, 0x0115B7],
@@ -1374,17 +1377,19 @@ const nonMatchSymbols = buildString({
     [0x011641, 0x011643],
     [0x011645, 0x01164F],
     [0x01165A, 0x01167F],
-    [0x0116B8, 0x0116BF],
+    [0x0116B9, 0x0116BF],
     [0x0116CA, 0x0116FF],
     [0x01171B, 0x01171C],
     [0x01172C, 0x01172F],
     [0x01173A, 0x0117FF],
     [0x01183B, 0x01189F],
     [0x0118EA, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D8, 0x0119D9],
+    [0x0119E5, 0x0119FF],
     [0x011A3F, 0x011A46],
     [0x011A48, 0x011A4F],
-    [0x011A84, 0x011A85],
     [0x011A9A, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -1413,13 +1418,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E80, 0x016EFF],
-    [0x016F45, 0x016F4F],
-    [0x016F7F, 0x016F8E],
+    [0x016F4B, 0x016F4E],
+    [0x016F88, 0x016F8E],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1446,10 +1453,15 @@ const nonMatchSymbols = buildString({
     [0x01DA85, 0x01DA9A],
     [0x01DAB0, 0x01DFFF],
     [0x01E019, 0x01E01A],
-    [0x01E02B, 0x01E7FF],
+    [0x01E02B, 0x01E0FF],
+    [0x01E12D, 0x01E12F],
+    [0x01E13E, 0x01E13F],
+    [0x01E14A, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2FA, 0x01E7FF],
     [0x01E8C5, 0x01E8CF],
     [0x01E8D7, 0x01E8FF],
-    [0x01E94B, 0x01E94F],
+    [0x01E94C, 0x01E94F],
     [0x01E95A, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
diff --git a/test/built-ins/RegExp/property-escapes/generated/XID_Start.js b/test/built-ins/RegExp/property-escapes/generated/XID_Start.js
index c247a35ebc..8f6f1ac762 100644
--- a/test/built-ins/RegExp/property-escapes/generated/XID_Start.js
+++ b/test/built-ins/RegExp/property-escapes/generated/XID_Start.js
@@ -1,4 +1,4 @@
-// Copyright 2018 Mathias Bynens. All rights reserved.
+// Copyright 2019 Mathias Bynens. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -7,7 +7,7 @@ description: >
   Unicode property escapes for `XID_Start`
 info: |
   Generated by https://github.com/mathiasbynens/unicode-property-escapes-tests
-  Unicode v11.0.0
+  Unicode v12.0.0
 esid: sec-static-semantics-unicodematchproperty-p
 features: [regexp-unicode-property-escapes]
 includes: [regExpUtils.js]
@@ -56,10 +56,7 @@ const matchSymbols = buildString({
     0x000DBD,
     0x000E32,
     0x000E84,
-    0x000E8A,
-    0x000E8D,
     0x000EA5,
-    0x000EA7,
     0x000EB2,
     0x000EBD,
     0x000EC6,
@@ -75,6 +72,7 @@ const matchSymbols = buildString({
     0x0017DC,
     0x0018AA,
     0x001AA7,
+    0x001CFA,
     0x001F59,
     0x001F5B,
     0x001F5D,
@@ -116,9 +114,13 @@ const matchSymbols = buildString({
     0x011288,
     0x01133D,
     0x011350,
+    0x01145F,
     0x0114C7,
     0x011644,
+    0x0116B8,
     0x0118FF,
+    0x0119E1,
+    0x0119E3,
     0x011A00,
     0x011A3A,
     0x011A50,
@@ -127,9 +129,12 @@ const matchSymbols = buildString({
     0x011D46,
     0x011D98,
     0x016F50,
+    0x016FE3,
     0x01D4A2,
     0x01D4BB,
     0x01D546,
+    0x01E14E,
+    0x01E94B,
     0x01EE24,
     0x01EE27,
     0x01EE39,
@@ -251,12 +256,9 @@ const matchSymbols = buildString({
     [0x000E01, 0x000E30],
     [0x000E40, 0x000E46],
     [0x000E81, 0x000E82],
-    [0x000E87, 0x000E88],
-    [0x000E94, 0x000E97],
-    [0x000E99, 0x000E9F],
-    [0x000EA1, 0x000EA3],
-    [0x000EAA, 0x000EAB],
-    [0x000EAD, 0x000EB0],
+    [0x000E86, 0x000E8A],
+    [0x000E8C, 0x000EA3],
+    [0x000EA7, 0x000EB0],
     [0x000EC0, 0x000EC4],
     [0x000EDC, 0x000EDF],
     [0x000F40, 0x000F47],
@@ -321,7 +323,7 @@ const matchSymbols = buildString({
     [0x001C90, 0x001CBA],
     [0x001CBD, 0x001CBF],
     [0x001CE9, 0x001CEC],
-    [0x001CEE, 0x001CF1],
+    [0x001CEE, 0x001CF3],
     [0x001CF5, 0x001CF6],
     [0x001D00, 0x001DBF],
     [0x001E00, 0x001F15],
@@ -386,7 +388,8 @@ const matchSymbols = buildString({
     [0x00A6A0, 0x00A6EF],
     [0x00A717, 0x00A71F],
     [0x00A722, 0x00A788],
-    [0x00A78B, 0x00A7B9],
+    [0x00A78B, 0x00A7BF],
+    [0x00A7C2, 0x00A7C6],
     [0x00A7F7, 0x00A801],
     [0x00A803, 0x00A805],
     [0x00A807, 0x00A80A],
@@ -418,7 +421,7 @@ const matchSymbols = buildString({
     [0x00AB20, 0x00AB26],
     [0x00AB28, 0x00AB2E],
     [0x00AB30, 0x00AB5A],
-    [0x00AB5C, 0x00AB65],
+    [0x00AB5C, 0x00AB67],
     [0x00AB70, 0x00ABE2],
     [0x00AC00, 0x00D7A3],
     [0x00D7B0, 0x00D7C6],
@@ -501,6 +504,7 @@ const matchSymbols = buildString({
     [0x010D00, 0x010D23],
     [0x010F00, 0x010F1C],
     [0x010F30, 0x010F45],
+    [0x010FE0, 0x010FF6],
     [0x011003, 0x011037],
     [0x011083, 0x0110AF],
     [0x0110D0, 0x0110E8],
@@ -533,9 +537,10 @@ const matchSymbols = buildString({
     [0x011700, 0x01171A],
     [0x011800, 0x01182B],
     [0x0118A0, 0x0118DF],
+    [0x0119A0, 0x0119A7],
+    [0x0119AA, 0x0119D0],
     [0x011A0B, 0x011A32],
-    [0x011A5C, 0x011A83],
-    [0x011A86, 0x011A89],
+    [0x011A5C, 0x011A89],
     [0x011AC0, 0x011AF8],
     [0x011C00, 0x011C08],
     [0x011C0A, 0x011C2E],
@@ -560,12 +565,14 @@ const matchSymbols = buildString({
     [0x016B63, 0x016B77],
     [0x016B7D, 0x016B8F],
     [0x016E40, 0x016E7F],
-    [0x016F00, 0x016F44],
+    [0x016F00, 0x016F4A],
     [0x016F93, 0x016F9F],
     [0x016FE0, 0x016FE1],
-    [0x017000, 0x0187F1],
+    [0x017000, 0x0187F7],
     [0x018800, 0x018AF2],
     [0x01B000, 0x01B11E],
+    [0x01B150, 0x01B152],
+    [0x01B164, 0x01B167],
     [0x01B170, 0x01B2FB],
     [0x01BC00, 0x01BC6A],
     [0x01BC70, 0x01BC7C],
@@ -598,6 +605,9 @@ const matchSymbols = buildString({
     [0x01D78A, 0x01D7A8],
     [0x01D7AA, 0x01D7C2],
     [0x01D7C4, 0x01D7CB],
+    [0x01E100, 0x01E12C],
+    [0x01E137, 0x01E13D],
+    [0x01E2C0, 0x01E2EB],
     [0x01E800, 0x01E8C4],
     [0x01E900, 0x01E943],
     [0x01EE00, 0x01EE03],
@@ -688,12 +698,10 @@ const nonMatchSymbols = buildString({
     0x000DBC,
     0x000E31,
     0x000E83,
-    0x000E89,
-    0x000E98,
-    0x000EA0,
+    0x000E85,
+    0x000E8B,
     0x000EA4,
     0x000EA6,
-    0x000EAC,
     0x000EB1,
     0x000EC5,
     0x000F48,
@@ -713,6 +721,7 @@ const nonMatchSymbols = buildString({
     0x00176D,
     0x0018A9,
     0x001CED,
+    0x001CF4,
     0x001F58,
     0x001F5A,
     0x001F5C,
@@ -783,11 +792,13 @@ const nonMatchSymbols = buildString({
     0x011331,
     0x011334,
     0x0114C6,
+    0x0119E2,
     0x011C09,
     0x011D07,
     0x011D0A,
     0x011D66,
     0x011D69,
+    0x016FE2,
     0x01D455,
     0x01D49D,
     0x01D4AD,
@@ -934,10 +945,6 @@ const nonMatchSymbols = buildString({
     [0x000DC7, 0x000E00],
     [0x000E33, 0x000E3F],
     [0x000E47, 0x000E80],
-    [0x000E85, 0x000E86],
-    [0x000E8B, 0x000E8C],
-    [0x000E8E, 0x000E93],
-    [0x000EA8, 0x000EA9],
     [0x000EB3, 0x000EBC],
     [0x000EBE, 0x000EBF],
     [0x000EC7, 0x000EDB],
@@ -999,8 +1006,8 @@ const nonMatchSymbols = buildString({
     [0x001C89, 0x001C8F],
     [0x001CBB, 0x001CBC],
     [0x001CC0, 0x001CE8],
-    [0x001CF2, 0x001CF4],
-    [0x001CF7, 0x001CFF],
+    [0x001CF7, 0x001CF9],
+    [0x001CFB, 0x001CFF],
     [0x001DC0, 0x001DFF],
     [0x001F16, 0x001F17],
     [0x001F1E, 0x001F1F],
@@ -1055,7 +1062,8 @@ const nonMatchSymbols = buildString({
     [0x00A6F0, 0x00A716],
     [0x00A720, 0x00A721],
     [0x00A789, 0x00A78A],
-    [0x00A7BA, 0x00A7F6],
+    [0x00A7C0, 0x00A7C1],
+    [0x00A7C7, 0x00A7F6],
     [0x00A823, 0x00A83F],
     [0x00A874, 0x00A881],
     [0x00A8B4, 0x00A8F1],
@@ -1081,7 +1089,7 @@ const nonMatchSymbols = buildString({
     [0x00AB07, 0x00AB08],
     [0x00AB0F, 0x00AB10],
     [0x00AB17, 0x00AB1F],
-    [0x00AB66, 0x00AB6F],
+    [0x00AB68, 0x00AB6F],
     [0x00ABE3, 0x00ABFF],
     [0x00D7A4, 0x00D7AF],
     [0x00D7C7, 0x00D7CA],
@@ -1153,7 +1161,8 @@ const nonMatchSymbols = buildString({
     [0x010D24, 0x010EFF],
     [0x010F1D, 0x010F26],
     [0x010F28, 0x010F2F],
-    [0x010F46, 0x011002],
+    [0x010F46, 0x010FDF],
+    [0x010FF7, 0x011002],
     [0x011038, 0x011082],
     [0x0110B0, 0x0110CF],
     [0x0110E9, 0x011102],
@@ -1174,23 +1183,27 @@ const nonMatchSymbols = buildString({
     [0x011351, 0x01135C],
     [0x011362, 0x0113FF],
     [0x011435, 0x011446],
-    [0x01144B, 0x01147F],
+    [0x01144B, 0x01145E],
+    [0x011460, 0x01147F],
     [0x0114B0, 0x0114C3],
     [0x0114C8, 0x01157F],
     [0x0115AF, 0x0115D7],
     [0x0115DC, 0x0115FF],
     [0x011630, 0x011643],
     [0x011645, 0x01167F],
-    [0x0116AB, 0x0116FF],
+    [0x0116AB, 0x0116B7],
+    [0x0116B9, 0x0116FF],
     [0x01171B, 0x0117FF],
     [0x01182C, 0x01189F],
     [0x0118E0, 0x0118FE],
-    [0x011900, 0x0119FF],
+    [0x011900, 0x01199F],
+    [0x0119A8, 0x0119A9],
+    [0x0119D1, 0x0119E0],
+    [0x0119E4, 0x0119FF],
     [0x011A01, 0x011A0A],
     [0x011A33, 0x011A39],
     [0x011A3B, 0x011A4F],
     [0x011A51, 0x011A5B],
-    [0x011A84, 0x011A85],
     [0x011A8A, 0x011A9C],
     [0x011A9E, 0x011ABF],
     [0x011AF9, 0x011BFF],
@@ -1215,13 +1228,15 @@ const nonMatchSymbols = buildString({
     [0x016B78, 0x016B7C],
     [0x016B90, 0x016E3F],
     [0x016E80, 0x016EFF],
-    [0x016F45, 0x016F4F],
+    [0x016F4B, 0x016F4F],
     [0x016F51, 0x016F92],
     [0x016FA0, 0x016FDF],
-    [0x016FE2, 0x016FFF],
-    [0x0187F2, 0x0187FF],
+    [0x016FE4, 0x016FFF],
+    [0x0187F8, 0x0187FF],
     [0x018AF3, 0x01AFFF],
-    [0x01B11F, 0x01B16F],
+    [0x01B11F, 0x01B14F],
+    [0x01B153, 0x01B163],
+    [0x01B168, 0x01B16F],
     [0x01B2FC, 0x01BBFF],
     [0x01BC6B, 0x01BC6F],
     [0x01BC7D, 0x01BC7F],
@@ -1233,9 +1248,14 @@ const nonMatchSymbols = buildString({
     [0x01D50B, 0x01D50C],
     [0x01D547, 0x01D549],
     [0x01D6A6, 0x01D6A7],
-    [0x01D7CC, 0x01E7FF],
+    [0x01D7CC, 0x01E0FF],
+    [0x01E12D, 0x01E136],
+    [0x01E13E, 0x01E14D],
+    [0x01E14F, 0x01E2BF],
+    [0x01E2EC, 0x01E7FF],
     [0x01E8C5, 0x01E8FF],
-    [0x01E944, 0x01EDFF],
+    [0x01E944, 0x01E94A],
+    [0x01E94C, 0x01EDFF],
     [0x01EE25, 0x01EE26],
     [0x01EE3C, 0x01EE41],
     [0x01EE43, 0x01EE46],