* (T186635) New language support: Guianan Creole (gcr).
* (T186647) New language support: Kumyk [къумукъ] (kum).
* (T187750) New language support: Spanish formal address (es-formal).
+ * (T187824) New language support: Hungarian formal address (hu-formal).
=== Other changes in 1.31 ===
+* Browser support for Internet Explorer 10 was lowered from Grade A to Grade C.
* Introducing multi-content-revision capability into the storage layer. For details,
see <https://www.mediawiki.org/wiki/Requests_for_comment/Multi-Content_Revisions>.
* The Revision class was deprecated in favor of RevisionStore, BlobStore, and