* Action::checkCanExecute() no longer has a return value.
* Removed cleanupForIRC(), loadFromCurRow(), newFromCurRow(), notifyRC2UDP()
and sendToUDP() from RecentChange.php. (deprecated since 1.22)
+* Removed EnhancedChangesList::arrow(), sideArrow(), downArrow(), spacerArrow().
==== Renamed classes ====
* CLDRPluralRuleConverter_Expression to CLDRPluralRuleConverterExpression