MediaWiki 1.23/wmf4

The latest version (labeled "1.23wmf4") of MediaWiki, the software that powers Wikipedia and its sister sites, is being deployed to all Wikimedia sites in stages, starting on Thursday, 14 November 2013 (see the roadmap).

Important Changes

 * - In Special:AllPages, limit the size of hierarchical lists
 * - Add rc.unpatrolled to the recentchanges API