* (bug 27283) SqlBagOStuff breaks PostgreSQL transactions.
* (bug 35727) mw.Api ajax() should put token parameter last.
* (bug 37708) mw.Uri.clone() should make a deep copy.
+* (bug 38024) ResourceLoader should not create empty stylesheets for modules
+ that don't have stylesheets.
+* (bug 36812) Special:ActiveUsers "Hide bots" should hide users from any group
+ having the "bot" user right, instead of just the default "bot" user group.
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.
* (bug 36761) "Mark pages as visited" now submits previously established filter options
* (bug 32643) action=purge with forcelinkupdate no longer crashes when ratelimit is reached
* The paraminfo module now also contains result properties for most modules
+* (bug 32348) Allow descending order for list=alllinks
=== Languages updated in 1.20 ===
regularly. Below only new and removed languages are listed, as well as
changes to languages because of Bugzilla reports.
+* Emilian (egl) added.
* Tornedalen Finnish (fit) added.
* Mizo (lus) added.
* Santali (sat) added.