* (T186359) New language support: Siberian Tatar [cебертатар] (sty).
* (T186635) New language support: Guianan Creole (gcr).
* (T186647) New language support: Kumyk [къумукъ] (kum).
+* (T187750) New language support: Spanish formal address (es-formal).
=== Other changes in 1.31 ===
* Introducing multi-content-revision capability into the storage layer. For details,
* CommentStore::insert
* CommentStore::insertWithTemplate
* The method ResourceLoaderModule::getPosition(), deprecated in 1.29, has been removed.
+* The DeferredStringifier class is deprecated, use Message::listParam() instead.
== Compatibility ==
MediaWiki 1.31 requires PHP 5.5.9 or later. Although HHVM 3.18.5 or later is supported,