Upstream task https://bugs.chromium.org/p/gerrit/issues/detail?id=16314
https://github.com/wikimedia/mediawiki/tree/master is on 7be52b4 "6 hours ago".
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+log/refs/heads/master
b87e907 Merge "Update specialPageAliases for Arabic (ar) and Egyptian Arabic (arz)" by jenkins-bot · 3 hours ago master a9c7722 Update specialPageAliases for Arabic (ar) and Egyptian Arabic (arz) by Meno25 · 5 hours ago 70b4f00 Follow-up b70581e4ca: Mention upgraded devLibs in RELEASE-NOTES by James D. Forrester · 5 hours ago 7be52b4 Merge "tests: Replace assertRegExp with assertMatchesRegularExpression" by jenkins-bot · 6 hours ago
REL1_39 is behind.. There's a few other repos that seem to be not replicating either :(