As a blocker to T108557 going any further...
#mediawiki-extensions-urlshortener is wanted by various projects, and is half deployed on Wikimedia Wikis in a read-only state. There is no owner of the extension or its deployment, as such, it's currently stuck.
https://www.mediawiki.org/wiki/Extension:UrlShortener was created as response to https://www.mediawiki.org/wiki/Requests_for_comment/URL_shortener#Tim.27s_implementation_suggestion
It has been installed in a readonly mode for the last 2 years - https://github.com/wikimedia/operations-mediawiki-config/commit/6696f1e5dad6d2a02c40c4464f47d6e270855879
**Was it a cause of production outages or incidents? List them.**
**Does it have sufficient hardware resources for now and the near future (to take into account expected usage growth)?**
**Is it a frequent cause of monitoring alerts that need action, and are they addressed timely and appropriately?**
**When it was first deployed to Wikimedia production**
**Usage statistics based on audience(s) served**
**Changes committed in last 1, 3, 6, and 12 months**
**Reliance on outdated platforms (e.g. operating systems)**
**Number of developers who committed code in the last 1, 3, 6, and 12 months**
**Number and age of open patches**
**Number and age of open bugs**
**Number of known dependencies?**
**Is there a replacement/alternative for the feature? Is there a plan for a replacement?**