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_April_14th

First, please read this blog post regarding the WMF's response to the Heartbleed bug: https://blog.wikimedia.org/2014/04/10/wikimedias-response-to-the-heartbleed-security-vulnerability/

Other notable items...

== Monday ==

* Improvements to the new search (CirrusSearch). ** Two performance related and one broken feature.

* Revert font stack change in Typography Refresh to be just sans-serif ** https://gerrit.wikimedia.org/r/#/c/125447/

* VisualEditor fixes: ** Adding a reference adds an empty one; editing a reference inserts a new one ** fix JS error on opening redirect pages

== Tuesday ==

* MediaWiki deploy ** group1 to 1.23wmf22: All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites) ** https://www.mediawiki.org/wiki/MediaWiki_1.23/wmf22

== Thursday ==

* MediaWiki deploy ** group2 to 1.23wmf22 (all Wikipedias) ** group0 to 1.23wmf23 (test/test2/testwikidata/mediawiki

* Media Viewer: ** Second limited pilot release: Enable by default on a few small pilot sites (batch 1: Catalan, Hungarian, Korean and Wikipedias, English Wikivoyage) ** https://www.mediawiki.org/wiki/Multimedia/Media_Viewer/Release_Plan#Timeline

Thanks, and as always, questions welcome,

Greg