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Hello I have a TestFlight tester getting a random repeated crash when the app is interacting with core data. Every time it crashes we get the call stack like below from line 6 stating -NSManagedObject _processRecentChanges. Searching for _sharedIMPL_setvfk_core it seems to indicate a multithreading issue but my managedObjectContext is initialized with main queue concurrency. - (NSManagedObjectContext *)managedObjectContext { if (managedObjectContext != nil) { return managedObjectContext; } NSPersistentStoreCoordinator *coordinator = [self persistentStoreCoordinator]; if (coordinator != nil) { managedObjectContext = [[NSManagedObjectContext alloc] initWithConcurrencyType: NSMainQueueConcurrencyType]; [managedObjectContext setPersistentStoreCoordinator:coordinator]; } return managedObjectContext; } When I pulled the cashpoint in to the Xcode project everything appears to be running on the main thread. I can't seem to find documentation on what might be causing the issue. Any pointers would be appreciated. The app is compiled on Xcode 15 targeting iOS 15. Users device is iOS 17.3.1.