with the release of MediaWiki 1.24, the lifetime of MediaWiki version 1.22 ends. There
will be a final maintenance release on 17th of December, 2014.
The new legacy version is 1.23. Users still using MediaWiki 1.22 are advised to upgrade to
version 1.24.0 (latest stable) or 1.23.7 (legacy and LTS version).
MediaWiki 1.19 LTS will continue to be supported until May, 2015.
Mark Hershberger and Markus Glaser
(Wiki Release Team)