Xcode 15.2. Brand new simulator set up, running 17.2. Brand new AppleID, and have logged in and accepted terms. Totally unable to login to iCloud on the Simulator to test iCloud syncing. There are numerous threads dating back 6 years plus of people having issues logging in to iCloud on the Simulator. Seems like it's still an issue. I have tried every solution. Existing AppleID. New AppleID. Logged into iCloud on Safari on Desktop and Simulator to check for unaccepted terms. Still get the commonly reported Sign-in page sitting spinning endlessly. Checked Console for errors and only things that seem possibly related are: com.apple.shortcuts CloudKitSync info 13:41:04.506714+0000 siriactionsd -[VCCKShortcutSyncCoordinator updateAccountStatusAndUserRecordID]_block_invoke Not fetching current user record ID because iCloud account is not available Is it really still the case that logging in to iCloud on a Simulator, to test sign on or iCloud sync is still horribly broken, and has been for over 6 years?

I accidentally deleted about 200 records from a CloudKit database that is being used in production. Is it possible to recover these, I have no other backups of the data.

We are considering to use iCloud API on web service. But we don't have any mobile app on App Store. In this case, I think it is not possible to use iCloud according to apple's terms of service, but is there any way to use the iCloud on web service only?

We have an iOS App developed in SwiftUI that saves data to CloudKit using NSPersistentCloudKitContainer. If I modify any of this data, the changes are synchronized on other iOS devices without problem. We also have an OSX App with StoryBoard using NSPersistentCloudKitContainer to share the same data with iOS devices. Changes made on OSX are updated immediately on iOS devices. But if any data is modified in iOS, it is not updated in the OSX application. Simply by doing Command-Tab twice the OSX app displays the new data. It appears that CloudKit Push Notifications are not causing the OSX application to detect that there are changes to the data and that it needs to be updated. In both cases an NSFetchedResultsController is created and a delegate is placed. The iOS one is called but the OSX one is not. The only difference in the code is that in the iOS app with SwiftUI it is done: var body: some Scene { WindowGroup { InitialTab() .environment(\.managedObjectContext, DataManager.shared.viewContext) } } but this is not done in OSK since NSView does not have the .environmet method. Could this be the problem? What should I do to update data without switching applications on OSX? Any help would be appreciated, Thank you so much.

I am in the very early stages of app development using SwiftData, and find myself making frequent changes to my data models. I know ultimately that I would use migration when making schema changes, but at this early point in development that seems like over kill. in fact at this point I have only tested the app with previews. Is there a way to clear whatever the previews are caching when I make a change such as renaming a property? Clean Build folder does not fix this error, any guidance on how to handle this?

Hello, everyone! I'm currently working in creating a new web app that will replicate the functionalities of an existing iOS and Mac app. However, since those apps rely on CloudKit to manage all user information, we decided on using CloudKit JS as our backend for our web app. The framework we chose for developing our frontend is React. The question is, since this documentation only mentions the CloudKit JS usage through a CDN (embedded directly in the HTML file) I wanted to ask: is there a "suggested" method for using CloudKit JS in a React project other than importing the CDN in the main html file? in case not, should we use a "traditional" server to access data like they suggest in this thread? All your help will be very much appreciated. Best regards, Eduardo

Hello, I build my app on Unity 2021 using the service Unity Cloud Build. I enabled iCloud key-value storage and it correctly show up in the entitlement file. Whenever I try to make a cloud save, Unity Logs says that the process was successful but it didn't save anything on the cloud. I had a look to the logs on my device and I found this strange error: cloudd(CloudKitDaemon)[804] <Error>: Identity set <private> was expected to have a current key set <private>. Error Domain=securityd Code=-25300 UserInfo={NSLocalizedDescription=<private>} cloudd(CloudKitDaemon)[804] <Error>: Identity set <private> does not have a current key set. Not using it. cloudd(CloudKitDaemon)[804] <Error>: Didn't get a service identity from the PCS framework I searched online but I couldn't find anything informative. Any suggestions?

In an effort to ensure the safety of my data, I decided to make a backup on iCloud Drive, assuming that this would provide a secure storage solution and an additional copy on my local MacBook Pro. Regrettably, I was not aware that this process would result in the complete loss of all data from my Documents folder on my local machine. Upon reaching out to the iCloud support team, their attempts to assist were unfortunately unsuccessful. I was informed that while there is a slim chance of recovering data by purchasing a larger iCloud Drive, no guarantees could be provided. This revelation left me questioning the reliability and effectiveness of iCloud Drive as a secure data management tool. Furthermore, the explanation provided by the support team regarding the iCloud Drive synchronization process added to my dismay. It appears that iCloud Drive deletes the local Documents folder and replicates it in the cloud, only to recreate a new copy on the local machine afterward. The inherent risks associated with such a mechanism, especially when dealing with large files, are alarming and raise serious concerns about data integrity. I strongly advise against relying on iCloud Drive for substantial data storage. Instead, I recommend using an external hard drive with Time Machine activation for a more reliable backup solution. It is disheartening to realize that Apple's touted iCloud Drive, marketed as a secure tool to prevent data loss, may fall short of its promises, potentially leading users into situations like mine. I urge the iCloud engineering team to reconsider and improve the synchronization process to mitigate the risk of data loss for users. The current system, as I have experienced firsthand, poses significant challenges and lacks the necessary safeguards to protect users from unforeseen circumstances.

Hi all, I've been struggling a bit with SwiftData, I have a really simple data model but I need to do a fairly complex query over a one-to-many relationship that results in aggregate values. And I want to be able to sort and filter those aggregates. The model looks like this: @Model class Category { var name: String var items = [Item]() } @Model class Item { var added: Date var checked: Date? } In a typical use case I'd expect their to be at most around 50 categories and perhaps 20 items per category. In my UI I would like to be able to sort categories in a couple of ways: by name, by date added and by date checked with a fallback on date added. Also, in my list view I want to be able to list categories and show the checked date of the most recently checked item. I can think of a couple of solutions here, to start of with I can do all the sorting and filtering client-side. In the list view I could retrieve all the categories and then find the most recently checked item per category and go from there. Another solution might be to use a transformable column for the items, because I expect there to be only a few of them per category. The last thing I can think of, that I know how to make is to denormalize the model, and add a checked and added column to the category model. These would have to be updated each time an item is added or checked. All of these solutions sound suboptimal to me. Ideally I would want to add a checked and added column to the category model that are computed in the database using a query. I previously implemented this simple app in Django (Python), where I could easily implement this particular solution, offloading all the sorting and aggregating to the database. So my question is if this is possible in SwiftData and how to do it. If it is not possible what would be the preferred solution? Since the expected amount of data is pretty small I could probably get.away with doing it all in code instead of in queries, but that just doesn't feel right.

What is the recommended architecture for a CoreData+CloudKit iOS App that has a large public database? Assume the public database contains 10,000+ Locations from which a User would select a few as favorites. Totally impractical to mirror the locations such that they appear in the App's CoreData having been synced from the .public CloudKit database. Presumably one uses the CloudKit API to query the .public database and display some subset of locations for the User to select? (The selected locations can then be stored in the Users .private (or perhaps .shared) database.) How does one configure CoreData + CloudKit for this scenario? Is there another approach?

It is often the case that offline devices can add duplicate entities that needs to be merged when CloudKit syncs. Consider user-created tags. A user might create a Note, and then tag it with a newly created tag “Family.” On a separate offline device, they might create another note, and create another tag also called ”Family.” On device sync, both duplicate ”Family” tags would need to be identified as duplicates based on their name property, merged to a single entity, and their original relationships consolidated to the single merged Tag. And this needs to happen before the CloudKit sync data is presented to the UI in the main context. With Core Data we have the mechanism to consume relevant store changes described here. These tools allow us to listen for remote change, then process them appropriately (e.g. remove / merge duplicates) and then merge the changes into the app’s main context. This perfectly solves the problem described in the first paragraph above. Apple provides code using this mechanism for deduplicating tags in a sample app. Is there a mechanism to solve this deduplication problem using SwiftData technology without implementing and maintaining a parallel Core Data stack?

I'm trying to setup a filter option for some core data records, but I'm not seeing the expected results. Essentially, what I want is to have multiple sections. Within each section it would be an OR query, and an AND between each section. I've tried setting it up as below. func getBasicFilter() -> NSPredicate? { var predicatesBagsLeft : [NSPredicate] = [] var predicatesDrillType : [NSPredicate] = [] var andPredicates : [NSPredicate] = [] print("Filter List") print(filters) // Bags Left if let show = filters["showFullLeft"] { if show { print("Predicates : Show Full") let predicate = NSPredicate(format: "ANY projectColours.fullLeft > 0") predicatesBagsLeft.append(predicate) } } if let show = filters["showPartialLeft"] { if show { print("Predicates : Show Partial") let predicate = NSPredicate(format: "ANY projectColours.partialLeft > 0") predicatesBagsLeft.append(predicate) } } // Drill Types if let show = filters["showSquareOnly"] { if show { print("Predicates : Show Square Only") let predicate = NSPredicate(format: "ANY projectColours.project.drillType = %@", "Square") predicatesDrillType.append(predicate) } } // Drill Manufacturers - TO DO // Combine Predicates if predicatesBagsLeft.count > 0 { let predicatesForBagsLeft = NSCompoundPredicate(type: .or, subpredicates: predicatesBagsLeft) andPredicates.append(predicatesForBagsLeft) } if predicatesDrillType.count > 0 { let predicatesForDrillType = NSCompoundPredicate(type: .or, subpredicates: predicatesDrillType) andPredicates.append(predicatesForDrillType) } if andPredicates.count > 0 { let predicates = NSCompoundPredicate(type: .and, subpredicates: andPredicates) return predicates } return nil } It does filter, but doesn't seem to be applying both correctly. I'm testing with a filter of showFullLeft & showSquareOnly, so it should show only squares which have a a fullest > 0 I'm getting 7 results back, but one of them is unwanted. It is square, but it has 0 for both full & partial When I look at the query core data is using it looks correct CoreData: sql: SELECT t0.ZMANU, COUNT (DISTINCT t0.Z_PK) FROM ZCOLOUR t0 JOIN ZPROJECTCOLOUR t1 ON t0.Z_PK = t1.ZCOLOUR JOIN ZPROJECTCOLOUR t2 ON t0.Z_PK = t2.ZCOLOUR JOIN ZPROJECT t3 ON t2.ZPROJECT = t3.Z_PK WHERE ( t1.ZFULLLEFT > ? AND t3.ZDRILLTYPE = ?) GROUP BY t0.ZMANU ORDER BY t0.ZMANU CoreData: details: SQLite bind[0] = 0 CoreData: details: SQLite bind[1] = "Square"

Hi all, I have an iOS app which uses CloudKit and the standard NSPersistentCloudKitContainer, which I rely on for syncing app data between the user's devices. If the user's iCloud account is full I can see a log message while debugging in Xcode shortly after startup which looks something like this: error: CoreData+CloudKit: -[NSCloudKitMirroringDelegate _requestAbortedNotInitialized:](2183): <NSCloudKitMirroringDelegate: 0x281ddc1e0> - Never successfully initialized and cannot execute request '<NSCloudKitMirroringExportRequest: 0x2841e00f0> 51383346-87BA-44D8-B527-A0B1EE35A0EF' due to error: <CKError 0x282c50db0: "Partial Failure" (2/1011); "Failed to modify some records"; uuid = 7BA17495-4F05-4AF4-A463-C0DF5A823B2E; container ID = "iCloud.com.neufsters.pangram"; partial errors: { E30B2972-FD4B-4D2A-BD1C-EB6F33F5367D:(com.apple.coredata.cloudkit.zone:__defaultOwner__) = <CKError 0x282c155f0: "Quota Exceeded" (25/2035); server message = "Quota exceeded"; op = FC4D3188D0A46ABC; uuid = 7BA17495-4F05-4AF4-A463-C0DF5A823B2E; Retry after 315.0 seconds> 2FC9A487-D630-444D-B7F4-27A0F3A6B46E:(com.apple.coredata.cloudkit.zone:__defaultOwner__) = <CKError 0x282c52820: "Quota Exceeded" (25/2035); server message = "Quota exceeded"; op = FC4D3188D0A46ABC; uuid = 7BA17495-4F05-4AF4-A463-C0DF5A823B2E; Retry after 315.0 seconds> 903DD6A0-0BD8-46C0-84FB-E89797514D9F:(com.apple.coredata.cloudkit.zone:__defaultOwner__) = <CKError 0x282c513e0: "Quota Exceeded" (25/2035); server message = "Quota exceeded"; op = FC4D3188D0A46ABC; uuid = 7BA17495-4F05-4AF4-A463-C0DF5A823B2E; Retry after 315.0 seconds> }> I would like to know how I can get a callback of some sort so I can run code if this CloudKit/CoreData error happens. In particular I'd like to put up some sort of warning to the user letting them know their data isn't going to sync. Please note that I'm not looking for how to do error handling as a result of a user-initiated CloudKit API call. I'm looking for how to get notified when the background syncing logs errors like the above. Thanks, Russ

In our app, there is a scenario where we write and delete approximately 100MB of files to the iCloud server at once using NSPersistentCloudkItContainer(CoreData). While write, read, and delete operations are immediately reflected in the local database, there is a noticeable delay when accessing the CloudKit Database dashboard. Here is the testing approach we have tried: Data Insert Test
 Prepare around 100MB of data.
 Write the data to CoreData on device A.
 When launching the app on device B, it takes about 5 minutes for the data to be fully synchronized. Data Deletion Test Remove all the added data on device A (immediately reflected in local storage.)
 After performing step 1, leaving device A idle takes about 3 minutes for the deletion to be reflected on device B.
 if the app is deleted on device A after step 1, deletion information does not reach device B. Upon reinstalling the app on device A, the deleted data reappears on device B (synchronized data). The ongoing occurrence of these issues has raised several questions regarding cloud synchronization and synchronization speed: Is the synchronization speed of the Testflight app the same as the one received from the AppStore? Are there traffic limitations per account or device? Despite different perceived speeds for each account or device, is there any factor influencing synchronization speed other than network conditions?

Is there a way to share CoreData data containing complex relationships easily by file? And also to create them easily after receiving the file? The application runs on a secure iPad without iCloud, so CloudKit is not an option. I'd really like to keep the file principle, so that data can be shared via Airdrop, e-mail, file transfer, etc. The ideal would be : data = myNSManagedObject.toJSON() file = createFile(data) share file receive file data = file.data.decodeJSON() myNSManagedObjectContext.add(data) All this without having to browse all the objects to create them individually Thx

I have been working on a toy app to learn CKSyncEngine. I'm using SwiftData as local storage with Cloudkit disabled, and use the CKSyncEngine to handle everything with full control. I've gotten everything to work except for one thing! Updating the UI from the SyncEngine. I have tested this outside the syncEngine and using @ModelActor and performing changes in a detached Task in the background updates the UI perfectly. However, I've made my class conforming to the engine a model-actor but it does not update the UI when I save from the actor's ctx. If I go back to a view in the navigation and return the data is updated, but not when it is modified. I'm at my wit's end and I think it must be the way CKSyncEngine updates are triggered in the background. Any suggestions to the possible root cause?

Hello: We have a problem and we don't know how to solve it. We have developed the following two App: app1 and app2 Both App have the function of using iCloud.The iCloud container id of app1 and app2 is the same.We use the document storage function of iCloud. We originally planned to share iCloud data in two app, so we used the same iCloud container, and we released app1 and then app2. Due to the slow progress of app2 development, the related functions of iCloud have not been added to the code yet. But we found a problem. In the storage management of "setup", iCloud, the display name of app1 is app2's name, not app1's name. This causes many of our users to delete the iCloud data of the application by mistake, resulting in losses. Now our question is: What caused the name in app1's iCloud storage management list to be displayed as the name of app2? How should it be solved?

Hello, We have a problem and we don't know how to solve it. Our application uses CloudKit databases. We can no longer access the CloudKit databases. When we connect to the CloudKit console and select CloudKit Database, we get the message "No Containers". However, the application continues to work by downloading files located on CloudKit Database. How can I modify CloudKit Database data?

I have 2 TB iCloud storages plan. I am not able to copy files on this iCloud drive from my External HD in MacBook M3 Pro . It say that "Manage Space" even though I have more than 1 TB free space. What could be a reason for this?

How to save some data in SwiftData to CloudKit, and others on local device only?