The 1.34.0-wmf.13 version of MediaWiki is no longer blocked[0]!

Thanks to Anomie, Krinkle, Jforrester, Tgr, Ebernhardsen, and everyone else who worked on unblocking the train.

We plan to deploy the new version to both group1 and group2 today.

-- Your humble train toiler

[0]. https://phabricator.wikimedia.org/T220738