* Add lang and hreflang attributes to language links on Login page.
* (bug 22749) Create Special:MostInterwikis.
* 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 fixes in 1.20 ===
* (bug 30245) Use the correct way to construct a log page title.