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Upgrading docs: Mention YAJL replaced by Nlohmann::JSON

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Michael Friedrich 2019-03-18 17:25:15 +01:00
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@ -27,6 +27,18 @@ This affects the following features:
* [OpenTsdb](09-object-types.md#objecttype-opentsdbwriter)
* [Perfdata](09-object-types.md#objecttype-perfdatawriter) (for PNP)
### Package Dependencies <a id="upgrading-to-2-11-package-dependencies"></a>
#### Removed: YAJL
Our JSON library, namely [YAJL](https://github.com/lloyd/yajl), isn't maintained anymore
and may cause [crashes](https://github.com/Icinga/icinga2/issues/6684).
It is replaced by [JSON for Modern C++](https://github.com/nlohmann/json) by Niels Lohmann
and compiled into the binary as header only include. It helps our way to C++11 and allows
to fix additional UTF8 issues more easily. Read more about its [design goals](https://github.com/nlohmann/json#design-goals)
and [benchmarks](https://github.com/miloyip/nativejson-benchmark#parsing-time).
## Upgrading to v2.10 <a id="upgrading-to-2-10"></a>
### Path Constant Changes <a id="upgrading-to-2-10-path-constant-changes"></a>