* (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 39431) SVG animated status is now shown in long description
+* (bug 39431) SVG animated status is now shown in long description.
* (bug 39376) jquery.form upgraded to 3.14.
* SVG files will now show the actual width in the SVG's specified units
in the metadata box.
-* Added ResourceLoader module "jquery.jStorage".
+* Added ResourceLoader module "jquery.jStorage" (v0.3.0, http://jStorage.info/).
* (bug 39273) Added AJAX support for "Show changes" (diff) in LivePreview.
* Added ResourceLoader module "jquery.badge".
* mw.util.$content now points to the overall content area in the skin rather than just
with auto-hide, multi-message support, and message replacement tags.
* jquery.messageBox which appears to be unused by both core and extensions has
been removed.
-* (bug 34939) Made link parsing insensitive ([HttP://])
+* (bug 34939) Made link parsing insensitive ([HttP://]).
* (bug 40072) Add CSS classes to items in output of ChangesList pages.
* Added $wgCopyUploadProxy global to define which proxy to use for copy
uploads.
production.
=== Configuration changes in 1.21 ===
+* (bug 29374) $wgVectorUseSimpleSearch is now enabled by default.
=== New features in 1.21 ===
=== Bug fixes in 1.21 ===
+* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.
+* (bug 40352) fixDoubleRedirects.php should support interwiki redirects.
+* (bug 9237) SpecialBrokenRedirect should not list interwiki redirects.
=== API changes in 1.21 ===
+* (bug 35693) ApiQueryImageInfo now suppresses errors when unserializing metadata.
=== Languages updated in 1.21 ===
changes to languages because of Bugzilla reports.
=== Other changes in 1.21 ===
+* Live preview functionality has been improved and moved into the
+ 'mediawiki.action.edit.preview' module. The old 'mediawiki.legacy.preview' module
+ has been removed.
== Compatibility ==