[21:41:31] <A_smart_kitten>	 (it feels a bit late to be saying this; but in hindsight, maybe T415725 is the type of thing that might merit an entry on wikimediastatus.net, given the end-user-visible impact on MW.org)
[21:41:31] <stashbot>	 T415725: TypeError: MediaWiki\Extension\Translate\MessageGroupProcessing\CachedMessageGroupFactoryLoader::MediaWiki\Extension\Translate\MessageGroupProcessing\{closure}(): Argument #1 ($value) must be of type DependencyWrapper, __PHP_Incomplete_Class given - https://phabricator.wikimedia.org/T415725