Hello and welcome to the latest edition of the WMF Engineering Roadmap and Deployment update.

The full log of planned deployments next week can be found at: https://wikitech.wikimedia.org/wiki/Deployments#Week_of_December_15th

REMINDER: After next week, there will be no more normal deployments until the new year. In other words, there will be no more scheduled updates to MediaWiki rolled out to production until January 6th.

A quick list of notable items...

== All Week == * Fundraising on-going through the rest of the year * HHVM: reimaging servers to HHVM, should be completed by end of year

== Tuesday ==

* MediaWiki deploy ** group1 to 1.25wmf12: All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites) ** https://www.mediawiki.org/wiki/MediaWiki_1.25/wmf12

== Wednesday ==

* Phabricator Maintenance (outage) from 4pm Pacific until midnight ** ie: 00:00 UTC - 08:00 Thursday ** To migrate RT (internal ticketing system used by WMF Operations) ** See: https://phabricator.wikimedia.org/T174

* MediaWiki deploy ** group2 to 1.25wmf12 (all Wikipedias) ** group0 to 1.25wmf13 (test/test2/testwikidata/mediawiki)

Thanks and as always, questions and comments welcome,

Greg