I'm using NSPersistentCloudKitContainer to sync CoreData to CloudKit public database but I have the problem that canUpdateRecord always returns true even for objects created by another iCloud user with _icloud role permission set to Read only. Am I missing something?
I vaguely remember that I saw the same issue when playing with the API + CloudKit public database, but it was long time ago and I lost the case that reproduced the issue.
Do you have a reproducible case? If yes, I’d suggest that you file a feedback report with it to see what the Core Data + CloudKit folks have to say – If you do so, please share your report ID here.
Best,
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Ziqiao Chen
Worldwide Developer Relations.