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_March_31st

Notable items...

== Monday ==

* The new logging tool in use at WMF, Logstash, will have it's backend search cluster (powered by ElasticSearch) upgraded to a newer version (1.0.1). ** No user-facing change or disruption associated with this.

== Tuesday ==

* MediaWiki deploy window, currently following the 1.23 schedule ** group1 to 1.23wmf20: All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites) ** https://www.mediawiki.org/wiki/MediaWiki_1.23/wmf20 ** Schedule: https://www.mediawiki.org/wiki/MediaWiki_1.23/Roadmap#Schedule_for_the_deployments ** NOTE: This includes the continuing rollout of Typography Refresh: https://www.mediawiki.org/wiki/Typography_refresh

== Wednesday ==

* Cirrus Search will be graduated from Beta Feature to enabled for all users on all non-wikipedia wikis (eg Commons, etc) ** https://www.mediawiki.org/wiki/Search

== Thursday ==

* MediaWiki deploy window, currently following the 1.23 schedule) ** group2 to 1.23wmf20 (all Wikipedias) ** NOTE: This includes the continuing rollout of Typography Refresh: https://www.mediawiki.org/wiki/Typography_refresh ** group0 to 1.23wmf21 (test/test2/testwikidata/mediawiki) ** https://www.mediawiki.org/wiki/MediaWiki_1.23/wmf21

Thanks, and as always, questions welcome,

Greg