Special:Version
* Edit notices can now be translated.
* (bug 35680) jQuery upgraded to 1.7.2.
-* jQuery UI upgraded to 1.8.19.
+* jQuery UI upgraded to 1.8.21.
* (bug 22887) Add warning and tracking category for preprocessor errors
* (bug 31704) Allow selection of associated namespace on the watchlist
* (bug 5445) Now remove autoblocks when a user is unblocked.
* (bug 24985) Use $wgTmpDirectory as the default temp directory so that people
who don't have access to /tmp can specify an alternative.
* (bug 27283) SqlBagOStuff breaks PostgreSQL transactions
+ * (bug 35727) mw.Api ajax() should put token parameter last.
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.