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iOS 26 regression: `DeviceActivityEvent`: `eventDidReachThreshold` called immediately (instead of waiting till threshold is reached)
Hello! I am experiencing some strange bugs around DeviceActivityEvents: When creating a DeviceActivityEvent we can assign a threshold and applicationTokens. The idea is, that after the user has spent said threshold on said apps, eventDidReachThreshold is called. includesPastActivity is set to false. On iOS 26 however, it happens (quite reliably after updating to a new beta seed) quite often that eventDidReachThreshold is called immediately (after a couple of seconds) instead of waiting for the threshold to be met. Is anyone else seeing similar issues on iOS 26? Only workaround I have found is to ask users to re-grant Screen Time permissions. This only holds for about two weeks though or at most until the next iOS 26 beta update is installed. Feedback filed under: FB18061981 FB18927456
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System Freezes in 2048-Style Games on iOS 26.2 Beta
On the latest iOS 26.2 betas I’ve noticed a consistent bug across every 2048-type number-merge game I’ve tested. At some point during gameplay the app freezes and the entire system becomes unresponsive for a few seconds. When control returns, the game is still stuck, looping its selection animation until it’s force-closed. Frame-rate limits and reduced-transparency settings don’t solve it. Is anyone else seeing similar behavior?
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SwiftUI sheet with TextField using autocorrectionDisabled() prevents view model deinit after editing
I present a view as a sheet that contains a TextField and a viewModel. The sheet uses .autocorrectionDisabled() on the TextField. If I open the sheet and dismiss it without editing, the viewModel is released as expected. But if I edit the TextField and then dismiss the sheet, the viewModel is not deinitialized (it remains retained). Test Outputs: // # Present 1st time - Correct ✅ TestViewModel - init - 0x0000600000c12ee0 // Dismiss wihtout editing, deinitialized correctly TestViewModel - deinit - 0x0000600000c12ee0 // # Present 2st time - Incorrect ❌ TestViewModel - init - 0x0000600000c006c0 // Edit and dismiss, no deinit here // # Present 3rd time - Incorrect ❌ TestViewModel - init - 0x0000600000c113b0 // Enter text field to edit will deinit previous one TestViewModel - deinit - 0x0000600000c006c0 // Dismiss, no deinit // TestViewModel (0x0000600000c113b0) remains retained ⚠️ Using .autocorrectionDisabled(true) gives the same problem. Removing or commenting out .autocorrectionDisabled() fixes the issue, but I don't want autocorrection enabled. Is this a known SwiftUI bug? Has anyone encountered it and found a workaround? Sample code: @main struct TestApp: App { @State private var isPresentingSheet: Bool = false var body: some Scene { WindowGroup { VStack { Button("Present Sheet") { self.isPresentingSheet = true } } .sheet(isPresented: $isPresentingSheet) { TestTextInputView() } } } } View (check the HERE line): struct TestTextInputView: View { @StateObject private var viewModel = TestTextInputViewModel() @FocusState private var isFocused: Bool @Environment(\.dismiss) private var dismiss var body: some View { NavigationStack { Form { TextField("Name", text: $viewModel.name) .autocorrectionDisabled() // HERE: Comment it out will work without any issue. .focused($isFocused) .submitLabel(.done) .onSubmit { self.isFocused = false } } .toolbar { ToolbarItem(placement: .topBarLeading) { Button("Cancel") { dismiss() } } } } } } View Model: final class TestTextInputViewModel: ObservableObject { @Published var name: String = "" deinit { print("TestViewModel - deinit - \(Unmanaged.passUnretained(self).toOpaque())") } init() { print("TestViewModel - init - \(Unmanaged.passUnretained(self).toOpaque())") } }
Topic: UI Frameworks SubTopic: SwiftUI
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Issue when creating Bookmark with security scope on macOS 26 RC
With the RC version of macOS 26, an issue persists when you try to create a bookmark with security scope for the root folder "/". This leads to an error "The file couldn’t be opened.". However, you can create bookmark for /Applications, /System, /Users... This is quite annoying for one of my app because a user can create a cartography of his disk usage, and the access to the root folder "/" is the only way to do so! Is there a workaround? PS: reported the issue with ID FB20186406 let openPanel = NSOpenPanel() openPanel.canChooseDirectories = true openPanel.canChooseFiles = false openPanel.beginSheetModal(for: self.view.window!) { (result) in guard result == .OK, let folderURL = openPanel.url else { return } openPanel.close() do { let data = try folderURL.bookmarkData(options: .withSecurityScope, includingResourceValuesForKeys: nil, relativeTo: nil) print("Bookmark data was created for \(folderURL.path)") } catch (let error) { print("Error creating bookmark for \(folderURL.path), with error: \(error.localizedDescription)") } }
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UITabBar Appears During Swipe-Back Gesture on iOS 26 Liquid Glass UI
Hello, While integrating the Liquid Glass UI introduced in iOS 26 into my existing app, I encountered an unexpected issue. My app uses a UITabBarController, where each tab contains a UINavigationController, and the actual content resides in each UIViewController. Typically, I perform navigation using navigationController?.pushViewController(...) and hide the TabBar by setting vc.hidesBottomBarWhenPushed = true when needed. This structure worked perfectly fine prior to iOS 26, and I believe many apps use a similar approach. However, after enabling Liquid Glass UI, a problem occurs. Problem Description From AViewController, I push BViewController with hidesBottomBarWhenPushed = true. BViewController appears, and the TabBar is hidden as expected. When performing a swipe-back gesture, as soon as AViewController becomes visible, the TabBar immediately reappears (likely due to A’s viewWillAppear). The TabBar remains visible for a short moment even if the gesture is canceled — during that time, it is also interactable. Before iOS 26, the TabBar appeared synchronized with AViewController and did not prematurely show during the swipe transition. Tried using the new iOS 18 API: tabBarController?.setTabBarHidden(false, animated: true) It slightly improves the animation behavior, but the issue persists. If hidesBottomBarWhenPushed is now deprecated or discouraged, migrating entirely to setTabBarHidden would require significant refactoring, which is not practical for many existing apps. Is this caused by a misuse of hidesBottomBarWhenPushed, or could this be a regression or design change in iOS 26’s Liquid Glass UI?
Topic: UI Frameworks SubTopic: UIKit Tags:
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Error Blocking Phone Numbers
In my case, when I try to block calls on iOS 26, the blocking doesn't occur; the scenarios seem intermittent. If I create two CallDirectory extensions, the first blocks the numbers, but the second doesn't. Interestingly, the extension marks the number as suspicious. There's also a case where, on iOS 26 on an iPhone 16 Pro, the functionality doesn't work at all. I'd like to know if there have been any changes to the use of CallKit in iOS 26, because users of my app on iOS 18 and below report successful blocking.
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NSWorkspace openURL fails on file in iCloud Drive
When I pass a file path url of a file in iCloud Drive to -[NSWorkspace openURLs:withApplicationAtURL:configuration:completionHandler:], it fails. There is no exception, and the completion handler isn't called. This is in a sandboxed app on macOS 26.1. NSWorkspaceOpenConfiguration* config = NSWorkspaceOpenConfiguration.configuration; config.activates = YES; config.promptsUserIfNeeded = YES; NSLog(@"performDrag 2 with %@", filePathObs); [NSWorkspace.sharedWorkspace openURLs: filePathObs withApplicationAtURL: appURL configuration: config completionHandler: ^(NSRunningApplication * _Nullable app, NSError * _Nullable error) { NSLog(@"performDrag 3"); if (error != nil) { NSLog(@"%@\n%@", error, filePathObs); } NSLog(@"complete performDrag"); }]; NSLog(@"performDrag 4"); In the debug log, the performDrag 2 and performDrag 4 messages appear. I also looked in the Console log, but the only messages that mention my app don't mean anything to me. AFIsDeviceGreymatterEligible Missing entitlements for os_eligibility lookup 6c Reentrant message: kDragIPCCompleted, current message: kDragIPCLeaveApplication
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Persistent Tokens for Keychain Unlock in Platform SSO
While working with Platform SSO on macOS, I’m trying to better understand how the system handles cases where a user’s local account password becomes unsynchronized with their Identity Provider (IdP) password—for example, when the device is offline during a password change. My assumption is that macOS may store some form of persistent token during the Platform SSO user registration process (such as a certificate or similar credential), and that this token could allow the system to unlock the user’s login keychain even if the local password no longer matches the IdP password. I’m hoping to get clarification on the following: Does macOS actually use a persistent token to unlock the login keychain when the local account password is out of sync with the IdP password? If so, how is that mechanism designed to work? If such a capability exists, is it something developers can leverage to enable a true passwordless authentication experience at the login window and lock screen (i.e., avoiding the need for a local password fallback)? I’m trying to confirm what macOS officially supports so I can understand whether passwordless login is achievable using the persistent-token approach. Thanks in advance for any clarification.
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Using `NSProcessInfo.systemUptime` to Detect Device Restarts: Feasibility and Background Considerations
"We are developing an application use case that requires us to prompt the user to restart their device. We plan to use the system uptime value provided by [NSProcessInfo processInfo].systemUptime to determine if a restart has occurred. Apple's documentation defines this API as 'The amount of time the system has been awake since the last time it was restarted.' Our questions are: Can we reliably use this API, in conjunction with persistent storage, to detect a device restart? Are there any known limitations or considerations when accessing or relying on this API while the application is running in the background?"
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Cannot create ipa file in vs insiders publish with correct distribution profile
I can create an ipa file with vs using the wildcard bundle identifier but this is rejected by apple when I upload with the Transporter app saying invalid identifier and no distribution profile/certificate. When I create a new distribution profile with the correct XC identifier and distribution certificate and try to archive with visual studio publish says the bundle id is not a match for the distribution profile with iOS? This is a net 10 net maui project and my first build attempt
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Can I Use Xcode and iPadOS 18? (and RealityView)
I'm preparing my submission for the Swift Student Challenge, and I have a couple of questions regarding the development environment. Is it allowed to use Xcode to program my scene, or do I have to use Swift Playgrounds? Can I use iPadOS 18 for development? I noticed that Swift Playgrounds currently only supports up to iPadOS 17.5, but I would like to use RealityView, which is only available starting from iPadOS 18. I appreciate any clarification on this. Thanks in advance!
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URL.startAccessingSecurityScopedResource() returns false for "On My iPad" after a while
My app allows to save user-selected URLs in a list and browse them with a tap. A user reported that the app often shows that when browsing their saved entry for "On My iPad", it's apparently empty (it contains no files). I saved "On My iPad" in my own list some time ago and noticed that the same issue occurs. The URL seems to be correctly resolved from the saved bookmark data, but I noticed that url.startAccessingSecurityScopedResource() returns false. The other URL I saved some time ago is iCloud Drive, which I can access without issues. If I select "On My iPad" again in a file importer, create new bookmark data from it and resolve the URL from it, access works correctly. I create bookmark data like this: let data = try url.bookmarkData(includingResourceValuesForKeys: [.localizedNameKey, .pathKey, .volumeIsLocalKey]) and resolve URLs like this: let url = try URL(resolvingBookmarkData: data, bookmarkDataIsStale: &bookmarkDataIsStale) bookmarkDataIsStale is false for both the working and not working URLs for "On My iPad". The two bookmark data are different though, even if url.path is the same. What could be the issue?
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Xcode and Reading documents from a URL connection.
I have an Xcode app where currently txt files in the project display text data as a list. I can search through the lists and have buttons that will swap between different lists of information that you can look through. The next task is I have URL connections to docx files on a SharePoint site. I am trying to use an URLsession function to connect to the URL links to download the documents to the document directory then have the application read the doc information to then be displayed as the txt info would. The idea is that the docx files are a type of online update version of the data. So when the app is used and on wifi, the app can update the list data with the docx files. I have code set up that should access the URL files but I am struggling to figure out how to read the data and access from this Documents directory. I have been looking online and so far I am at a loss on where to go here. If anyone can help or provide some insight I would greatly appreciate it. I can try and provide code samples to help explain things if that is needed.
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Certificate revocation check with SecPolicyCreateRevocation/SecTrustEvaluateWithError does not work
When trying to check if a certificate has been revoked with SecPolicyCreateRevocation (Flags: kSecRevocationUseAnyAvailableMethod | kSecRevocationRequirePositiveResponse) and SecTrustEvaluateWithError I always get the result error code errSecIncompleteCertRevocationCheck, regardless if the certificate was revoked or not. Reproduction: Execute the program from the attached Xcode project (See Feedback FB21224106). Error output: Error: Error Domain=NSOSStatusErrorDomain Code=-67635 ""revoked.badssl.com","E8","ISRG Root X1" certificates do not meet pinning requirements" UserInfo={NSLocalizedDescription="revoked.badssl.com","E8","ISRG Root X1" certificates do not meet pinning requirements, NSUnderlyingError=0x6000018d48a0 {Error Domain=NSOSStatusErrorDomain Code=-67635 "Certificate 0 “revoked.badssl.com” has errors: Failed to check revocation;" UserInfo={NSLocalizedDescription=Certificate 0 “revoked.badssl.com” has errors: Failed to check revocation;}}} To me it looks like that the revocation check just fails („Failed to check revocation;“), no further information is provided by the returned error. In the example the certificate chain of https://revoked.badssl.com (default code) and https://badssl.com is verified (to switch see comments in the code). I have a proxy configured in the system, I assume that the revocation check will use it. On the same machine, the browsers (Safari and Google Chrome) can successfully detect if the certificate was revoked (revoked.badssl.com) or not (badssl.com) without further changes in the system/proxy settings. Note: The example leaks some memory, it’s just a test program. Am I missing something? Feedback: FB21224106
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XCFramework with Common Third-Party Dependencies Causing Duplicate Symbol Conflicts
What is the recommended approach for distributing an XCFramework that uses common third-party dependencies (like Google Maps) when client apps may also use the same dependencies, resulting in duplicate symbol conflicts? I'm developing a closed-source SDK distributed as an XCFramework. My SDK internally uses Google Maps for mapping functionality. However, when clients integrate my XCFramework into their apps that also use Google Maps, we encounter duplicate symbol errors. What I've Tried: Static vs Dynamic Linking: Both approaches result in conflicts Static linking: Google Maps symbols compiled into my binary Dynamic linking: GoogleMaps.framework bundled with my XCFramework Build Configuration: Set "Build Libraries for Distribution" = YES Tried various linking strategies Architecture Changes: Used @implementation_only import Wrapped code with #if canImport(GoogleMaps) However, the dependencies still get linked at build time
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How to identify which minor user's authorization has been revoked by the parent/guardian?
I followed the method outlined in Apple's documentation to test "Revocation of Consent." Our server received the notification sent by Apple, but the parsed data only contains the following content (some data has been modified for privacy, but the fields remain unchanged): { "receiptType": "Sandbox", "bundleId": "com.xxx.xxxxx", "receiptCreationDate": 1764932591296, "requestDate": 1764932591296, "originalPurchaseDate": 1375340400000, "originalApplicationVersion": "1.0", "appTransactionId": "705020051250081000", "originalPlatform": "iOS" } How can we identify that "a parent/guardian has revoked authorization for a specific user"? We are unable to determine which minor user should be restricted from using certain features of our app. I hope to receive a prompt response from Apple's technical experts! Thanks A Lot !
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