* Removed Title::getEscapedText(). (deprecated since 1.19)
* Removed Language::getFallbackLanguageCode(). (deprecated since 1.19)
* Removed WikiPage::isBigDeletion(). (deprecated since 1.19)
+* Removed MWInit class which contained functions related to a now discontinued
+ PHP compiler called hphpc. (deprecated since 1.22)
==== Renamed classes ====
* CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression