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Wikimedia engineers are putting the final touches to the latest version of MediaWiki, the software that powers Wikipedia and its sister sites. This version, labeled “1.19wmf1″, will be deployed to Wikimedia sites in stages, starting next week.
We’ve recently set up a Beta cluster, replicating a selection of Wikimedia wikis, where Wikimedians have tested the new version and checked that it worked reasonably well with their local wiki’s specific customizations.
Things are looking good, and the current plan is to run the deployment in five stages between February 15th and March 1st, 2012. The schedule may change based on unexpected issues, so you should refer to the MediaWiki 1.19 roadmap for an up-to-date schedule of when your wiki will be affected. (more…)