* QUnit.newMwEnvironment now supports passing a custom setup and/or teardown function.
Arguments signature has changed. First arguments is now an options object of which
'config' can be a property. Previously 'config' itself was the first and only argument.
+* New getCreator and getOldestRevision methods added to WikiPage class
=== Bug fixes in 1.20 ===
* (bug 30245) Use the correct way to construct a log page title.
* (bug 30410) Removed deprecated $wgFilterCallback and the 'filtered' API error.
* (bug 32604) Some messages needs escaping of wikitext inside username
* (bug 36537) Rename wfArrayToCGI to wfArrayToCgi for consistency with wfCgiToArray.
+* (bug 25946) The message on the top of Special:RecentChanges is now displayed
+ in user language instead of content language
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.