* (bug 57201) SpecialRecentChangesFilters hook is now executed for feeds.
* (bug 58640) Fixed a compatibility issue with PCRE 8.34 that caused pages
to appear blank or with missing text.
+* (bug 56931) Updated the plural rules to CLDR 24. They are in new format
+ which is detailed in UTS 35 Rev 33. The PHP parser and evaluator as well as
+ the JavaScript evaluator were updated to support the new format. Plural rules
+ for some languages have changed, most notably Russian. Affected software
+ messages have been updated and marked for review at translatewiki.net.
=== Web API changes in 1.23 ===
* (bug 54884) action=parse&prop=categories now indicates hidden and missing