I also do not save the token obtained with apple Sign in on my app. I could start saving it and revoke it when the user wants to delete the account, the issue is I always get invalid_client error no matter what client ID I use in the request. This is the last part in the Apple reminder email.  If your app offers Sign in with Apple, use the Sign in with Apple REST API to revoke user tokens. https://developer.apple.com/documentation/sign_in_with_apple/revoke_tokens#discussion Is this really necessary to pass the app review? The token as a validity of 1 day, and users are not going to create and delete an account in the same day I guess. It seems that this API isto be used when using sign in with apple on the web. Can someone at Apple provide some explanations? Upcoming Requirement Reminder Note: This is a support message regarding upcoming requirements that may be relevant for your app. Starting June 30, 2022, apps submitted to the App Store that support account creation must also include an option to initiate account deletion. We noticed this app may support account creation. If it already offers account deletion or you’re working to implement it, we appreciate your efforts to follow the App Store Review Guidelines. Apps submitted after June 30 that do not comply with the account deletion requirements in guideline 5.1.1(v) will not pass review. To learn more about the account deletion requirements, visit Offering account deletion in your app. If your app offers Sign in with Apple, use the Sign in with Apple REST API to revoke user tokens.

I have the same crash report showing up in crashlytics. iPhone XS iOS 14.4.2 Is this still not fixed by apple?