* (bug 40352) fixDoubleRedirects.php should support interwiki redirects.
* (bug 9237) SpecialBrokenRedirect should not list interwiki redirects.
* (bug 34960) Drop unused fields rc_moved_to_ns and rc_moved_to_title from recentchanges table.
+* (bug 32951) Do not register internal externals with absolute protocol,
+ when server has relative protocol.
=== API changes in 1.21 ===
* (bug 35693) ApiQueryImageInfo now suppresses errors when unserializing metadata.