SpecialPageBeforeFormDisplay.
* (bug 65781) Removed block warning on included {{Special:Contributions}}
* Removed Skin::makeGlobalVariablesScript. (deprecated since 1.19)
+* Removed MWNamespace::isMain(). (deprecated since 1.19)
+* Removed Preferences::loadOldSearchNs(). (deprecated since 1.19)
+* Removed OutputPage::getStatusMessage(). (deprecated since 1.18)
+* Removed OutputPage::isUserJsAllowed(). (deprecated since 1.18)
+* Removed Title::updateTitleProtection(). (deprecated since 1.19)
==== Renamed classes ====
* CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression