Checks don't work:
https://translatewiki.net/wiki/Thread:Support/Plural_and_gender
(this might be bug 42631 comment 6 or not); Siebrand suggested to disable them for these messages in the meanwhile.
The 1= form is not displayed correctly: https://translatewiki.net/wiki/Thread:Support/About_new_MainPage_translations_(translator-ranking)
Version: 1.22.0
Severity: major