altered to reset all rate-limited thumbnails at once.
* (bug 56572) Builds of the OOjs and OOjs UI libraries are now available.
* mw.loader.go and mw.loader.version have been removed.
+* (bug 52815) Preference "Enable simplified search bar (Vector skin only)"
+ was removed.
==== Removed classes ====
* FakeMemCachedClient (deprecated in 1.18)