MediaWiki and extensions 1.36.0-wmf.20[0] is only deployed to testwikis[1].

We rolled back[2] today due to:

* T269396 Parser cache serving old results[3]

If these issues are resolved we can roll the train forward Monday.[4]

Thanks all!
-- Tyler

[0]: <https://phabricator.wikimedia.org/T263186>
[1]: <https://versions.toolforge.org/>
[2]: <https://sal.toolforge.org/log/0h2RKnYBhxWNv8gIwhiw>
[3]: <https://phabricator.wikimedia.org/T269396>
[4]: <https://wikitech.wikimedia.org/wiki/Deployments/Holding_the_train#What_happens_next?>