* Show change tags when transclude Special:Recentchanges(linked) or Special:Newpages.
* (bug 23226) Add |class= parameter to image links in order to add class(es) to HTML img tag.
* (bug 39431) SVG animated status is now shown in long description
+* (bug 39376) jquery.form upgraded to 3.14
=== Bug fixes in 1.20 ===
* (bug 30245) Use the correct way to construct a log page title.
* (bug 36524) "Show" options on Special:RecentChanges and Special:RecentChangesLinked
are now remembered between successive clicks.
* (bug 26069) Page title is no longer "Error" for all error pages
+* (bug 39297) Show warning if thumbnail of animated image will not be animated.
=== API changes in 1.20 ===
* (bug 34316) Add ability to retrieve maximum upload size from MediaWiki API.