* Removed ImageGalleryBase::useSkin(). (deprecated since 1.18)
* Removed DatabaseMysqlBase::getLagFromProcesslist(). (deprecated since 1.19)
* Removed LoadBalancer::closeConnecton(). (deprecated since 1.18)
+* Removed ApiBase::createContext(). (deprecated since 1.19)
==== Renamed classes ====
* CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression