Hello and welcome to the lastest and greatest deploy highlights email, this time for the week of October 21st.

== Highlights of the week ==

On Tuesday October 22nd, Echo (Notifications) will be doing it's final major release. The wikis included are listed here: https://www.mediawiki.org/wiki/Echo/Release_Plan_2013#Final_Release

== Rest of the schedule ==

=== Monday === * MediaWiki upgrade to non-Wikipedia project sites (eg: Commons, Wikisources, Wiktionaries, etc) ** These site will get MediaWiki 1.22wmf22 ** See: https://www.mediawiki.org/wiki/MediaWiki_1.22/Roadmap#Schedule_for_the_deployments

* The WMF Jenkins install will be upgraded to the latest released version, 1.509.4. This should have no impact on any editor/reader facing project or service.

* There will be an upgrade to the CirrusSearch backend, but only on a network level and there should be no visible changes/impact on any user facing project or service.

=== Tuesday === * The afore mentioned Echo deploy (see above).

=== Thursday === * MediaWiki upgrade to all language Wikipedias. ** These sites will get MediaWiki 1.22wmf22

* MediaWiki upgrade to all test wikis (including mediawiki.org) ** These sites will get the first wmf branch of the next MediaWiki release, 1.23wmf1.

As always, let me know if you have any questions.

Greg