* (T215169) Fix for Database::update() with IGNORE option fails on PostgreSQL.
* (T204423) Backport support for hyphenated DB names in JobQueueGroup.
* (T199474) Fix typo in rebuildrecentchanges.php resulting in rogue flags.
+* (T218608) Fix an issue that prevents Extension:OAuth working when
+ $wgBlockDisablesLogin is true.
+* (T216029) Chrome redirects to Special:BadTitle after editing a section with
+ a non-Latin name on a page with non-Latin characters in title.
+* (T219728) Added support for new Japanese era name "Reiwa"
== MediaWiki 1.31.1 ==