Reposting from mobile-tech:

I wrote a short Ruby script to show what versions of MediaWiki different projects are running on: https://gist.github.com/b5a97d4dc34f5fc56304 Shows number of languages running on a given project/version.

Might make easier figuring out if a patch in core we need is already deployed. I guess for now we're interested in wiki and wikivoyage.

Sample output: $ ruby wikiver.rb --- all: php-1.21wmf7: 863 php-1.21wmf8: 4 wikibooks: php-1.21wmf7: 121 wiki: php-1.21wmf7: 332 php-1.21wmf8: 4 wiktionary: php-1.21wmf7: 171 wikiquote: php-1.21wmf7: 88 wikisource: php-1.21wmf7: 64 wikimedia: php-1.21wmf7: 30 wikinews: php-1.21wmf7: 33 wikiversity: php-1.21wmf7: 15 wikivoyage: php-1.21wmf7: 9