Creation, deletion and renaming of Gerrit repositories regularly has a very negative impact on the translatewiki.net workflow.
Recently the repo DonationEmailUnsubscribe appears to have been deleted. The repo FundraisingEmailUnsubscribe appears to have been moved from wikimedia to mediawiki, without updating the permissions on the repo, and without updating .gitreview.
Deleting repos causes errors in mass update scripts. They will exit with inexplicable errors, which then means that you have to start chasing ghosts in https://gerrit.wikimedia.org/r/#/admin/projects/