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_7th
Notable items...
== Tuesday ==
* The backend to the new search system (ElasticSearch) will be upgraded * to 1.1.0 ** This should not affect users in any negative way.
* MediaWiki deploy ** group1 to 1.23wmf21: All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites) ** https://www.mediawiki.org/wiki/MediaWiki_1.23/wmf21
* Wikiquote will get language links via Wikidata ** https://www.wikidata.org/wiki/Wikidata:Wikiquote
== Thursday ==
* MediaWiki deploy ** group2 to 1.23wmf21 (all Wikipedias) ** group0 to 1.23wmf22 (test/test2/testwikidata/mediawiki)
* Media Viewer - First limited pilot release: Enable by default on * MediaWiki.org ** https://www.mediawiki.org/wiki/Multimedia/Media_Viewer
As always, questions welcome!
Greg