Hi there,
The 1.42.0-wmf.21 version of MediaWiki is currently blocked at group0 due to:
- https://phabricator.wikimedia.org/T359290: ArgumentCountError: Too few arguments to function MediaWiki\Extension\Gadgets\GadgetRepo::titleWithoutPrefix(), 1 passed in [...]/extensions/Gadgets/includes/GadgetResourceLoaderModule.php
-- Your humble train toiler
--