When a sitelink changes on Wikidata, its badges are removed because they may not apply to the new page. However, when an article gets moved on the client and is automatically updated on Wikidata, the badges should stay there. This currently does not happen but they get removed.
Example edit: https://www.wikidata.org/w/index.php?title=Q905693&diff=156055847&oldid=155590381
Version: unspecified
Severity: major
Whiteboard: u=dev c=backend p=0