* (bug 39957) Added $wgUnwatchedPageThreshold, specifying minimum count
of page watchers required for the number to be accessible to users
without the unwatchedpages permission.
+ * $wgBug34832TransitionalRollback has been removed.
=== New features in 1.21 ===
* (bug 38110) Schema changes (adding or dropping tables, indicies and
* (bug 41733) Hide "New user message" (.usermessage) element from printable view.
* (bug 39062) Special:Contributions will display changes that don't have
a parent id instead of just an empty bullet item.
+* (bug 37209) "LinkCache doesn't currently know about this title" error fixed.
* wfMerge() now works if $wgDiff3 contains spaces
=== API changes in 1.21 ===