uz, vi.
* Added 'CategoryAfterPageAdded' and 'CategoryAfterPageRemoved' hooks.
* (bug 33186) Add image rotation api "imagerotate"
+* (bug 34040) Add "User rights management" link on user page toolbox.
=== Bug fixes in 1.21 ===
* (bug 40353) SpecialDoubleRedirect should support interwiki redirects.