<ul><li>In SwiftData, there is currently no property or method to directly determine the temporary state of a PersistentIdentifier.</li><li>Starting with Xcode 16, Core Data framework has officially annotated NSManagedObjectID as Sendable, removing the need for manual annotations.</li><li>NSManagedObjectID instance cannot be used across coordinators because it includes private properties of the corresponding NSPersistentStore instance.</li><li>Previously, there have been issues with SwiftData in macOS 14 and iOS 17.</li></ul>

NSManagedObjectID and PersistentIdentifier

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