NSPersistentCloudKitContainer

No, unfortunately if you hadn't set true for key NSPersistentHistoryTrackingKey, they will never get it to cloud, they will stay only in your device. A workaround that I used and worked fine, is to add a property to all entities (I used cloudReady: Bool, and at the first run of the app, after you adopt NSPersistentCloudKitContainer, change that property to true for all entities. This will force iCloud to sync those objects.

I've found the solution. On the NSPersistentCloudKitContainer we have to simply call persistentContainer.record(for: object.objectID) where object is NSManagedObject

I was able to fix this by moving my data store into its own class and using the same thing for both the app and previews: import CloudKit import CoreData import Foundation class DataStore { static let shared = DataStore() lazy var persistentContainer: NSPersistentContainer = { let container = NSPersistentCloudKitContainer(name: Structure) container.loadPersistentStores(completionHandler: { _, error in if let error = error { fatalError(Unresolved error (error)) } let context = container.viewContext context.mergePolicy = NSMergeByPropertyObjectTrumpMergePolicy context.automaticallyMergesChangesFromParent = true // other setup here }) return container }() func saveContext() { let context = persistentContainer.viewContext if context.hasChanges { do { try context.save() } catch { fatalError(Unresolved error (error)) } } } }

So for any passers-by that are interested in how I eventually achieved this... (Credit to mtsrodrigues for how to deal with change of Scene in his answer in this thread... https://developer.apple.com/forums/thread/650876) My Core Data implementation for SwiftUI and the new App and Scene protocols and Window container! My SwiftUI App... struct MyApp: App { @Environment(.scenePhase) private var scenePhase @StateObject private var persistentStore = PersistentStore.shared var body: some Scene { WindowGroup { ContentView() .environment(.managedObjectContext, persistentStore.context) } .onChange(of: scenePhase) { phase in switch phase { case .active: print((#function) REPORTS - App change of scenePhase to ACTIVE) case .inactive: print((#function) REPORTS - App change of scenePhase to INACTIVE) case .background: print((#function) REPORTS - App change of scenePhase to BACKGROUND) savePersistentStore() @unknown default: fatalError((#function) REPORTS - fatal error in switch statement for .onChange modifier) } } } func

My two cents... My Core Data implementation for SwiftUI using the new App and Scene protocols and Window container! Credit to: mtsrodrigues for how to deal with change of Scene in his answer in this thread. KrakenDev's article on how to write a one line singleton My SwiftUI App... import SwiftUI @main struct YourApp: App { @Environment(.scenePhase) private var scenePhase @StateObject private var persistentStore = PersistentStore.shared var body: some Scene { WindowGroup { ContentView() .environment(.managedObjectContext, persistentStore.context) } .onChange(of: scenePhase) { phase in switch phase { case .active: print((#function) REPORTS - App change of scenePhase to ACTIVE) case .inactive: print((#function) REPORTS - App change of scenePhase to INACTIVE) case .background: print((#function) REPORTS - App change of scenePhase to BACKGROUND) savePersistentStore() @unknown default: fatalError((#function) REPORTS - fatal error in switch statement for .onChange modifier) } } } func savePersistentStore() { persiste

I've seen that the documentation of NSPersistentCloudKitContainer has been updated after the WWDC with two new Type Properties: class let eventChangedNotification: NSNotification.Name and class let eventNotificationUserInfoKey: String I think that are related to your question but I haven't tried them. I'm looking for this feature from the last year and I hope that in iOS 14 it will be implemented.