* (T219728) Added support for new Japanese era name "Reiwa"
* (T25227) action=logout now requires to be posted and have a csrf token.
* Updated cssjanus/cssjanus from 1.2.0 to 1.3.0.
+* (T222385) resourceloader: Use AND instead of OR for upsert conds in
+ saveFileDependencies().
== MediaWiki 1.31.1 ==