Let me reduce what you wrote down to the relevant bits: { for index in indexSet { let chat = chatLog[index] modelContext.delete(chat) } } You haven't told us what is in chatLog, so we don't know whether you actually remove the deleted item from the array, or whether you repopulate chatLog after deleting the item from modelContext. Can't really help you unless we know exactly what you're doing. If chatLog reflects what's in modelContext, then if it shows the deleted item then that item definitely wasn't removed from modelContext.

Why do you need to do this? You have control over the server, right? The user cannot affect the server's date time, so: If the device date is before the server date, then don't allow them to do something. If the device date is after the server date, then you know it's rubbish because the user has changed their device date to be after the server date. The server date should be the one source of truth. That's always the correct date. Deal with it like that, and you should be fine.

No. Why do you need to know that? Can't you just offer the best option to your users? If the device has biometrics and they're enabled and ready (which is something you can definitely check for) then handle it. If the device has biometrics but they aren't enabled/available, handle that instead. You don't need to know how the user unlocked their device to deal with authentication in your own app.

This is clearly a bug in the iOS 18 beta. Raise it as feedback and post the FB number on here. No one knows which beta version will fix it.

Why not raise a Feedback report for the beta?

What's the actual error you're receiving? Why do you think third-party app developers (us) would know how to get you to login properly if you don't give us relevant information?

Can't you just ask your parents to login on your phone and turn it all off? Why do you think third-party app developers here would be able to bypass the Screen Time password? There seems to be an issue with Screen Time settings on iOS 18 beta, so maybe you should downgrade to iOS 17, deactivate Screen Time (with your parents input), and install the beta again?

Word salad. What's your actual issue here?

Sorry, is there a question here?

This is not usable as an example. What is entry etc.? Can you provide a minimum reproducible example that doesn't require other structures and data that you haven't included here?

Why can't the original account holder login anymore? What was the reason that Support gave you for not reactivating the Apple ID? (This suggests the Apple ID was deactivated; why was it deactivated?) Honestly, you haven't given anywhere near the amount of information required. Besides that, we can't help you because e aren't the Support team. You need to figure out how to reactivate the Apple ID yourself; we have no control over that.

Go to Xcode's settings ? Platform tab. Remove all iOS simulators, wait for them to refresh, then install the one you want (iOS 17.5).

I can't make out anything from the crash reports, but this line smells: NSMutableArray *result = [NSMutableArray array]; Isn't it supposed to be something like this? NSMutableArray *result = [[NSMutableArray alloc] init];

Yes, you already posted this here: https://developer.apple.com/forums/thread/751623 Someone raised a feedback, with number: 13799436

Looks like they removed that functionality. This page seems to have some info on how to achieve it: https://osxdaily.com/2023/02/27/how-to-change-the-lock-screen-wallpaper-on-macos-ventura/ But, as an aside, this is really a product support question, not really something for us third-party developers to answer. Your choice of tags for your post is also wrong. It has nothing to do with "Device Management" and "Managed Settings". Your question is better asked at the Apple Support Forums. Thanks.