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_October_13th>

A quick list of notable items...

== Monday ==
* 5% of reader (non-logged-in) traffic will be served by HHVM servers
** see: <https://www.mediawiki.org/wiki/HHVM/About>

* Otherwise, no deploys, it is a US Holiday.

== Tuesday ==

* MediaWiki deploy
** group1 to 1.25wmf1: All non-Wikipedia sites (Wiktionary, Wikisource,
   Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites)
** <https://www.mediawiki.org/wiki/MediaWiki_1.25/wmf3>


== Thursday ==

* MediaWiki deploy
** group2 to 1.25wmf3 (all Wikipedias)
** group0 to 1.25wmf4 (test/test2/testwikidata/mediawiki)


Thanks and as always, questions and comments welcome,

Greg

--
Greg Grossmeier
Release Team Manager