This software version came out fairly recently (about a month ago) - I don't know how stable it is, but maybe it is? This deserves some testing first.
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- https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-June/000191.html
https://www.mediawiki.org/wiki/Release_notes/1.27#MediaWiki_1.27.0
- https://www.mediawiki.org/wiki/Release_notes/1.27#MediaWiki_1.27.0