Delve into the world of built-in app and system services available to developers. Discuss leveraging these services to enhance your app's functionality and user experience.

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Alarms set with AlarmKit on iOS 26.1 stop ringing after upgrading to iOS 26.2 beta 3 or later
We first discovered this issue in our own product, but we were able to reproduce it even when using Apple’s official demo: https://developer.apple.com/documentation/alarmkit/scheduling-an-alarm-with-alarmkit Reproduction Steps: Set an alarm on iOS 26.1 using AlarmKit. Upgrade the device to iOS 26.2 beta 3 or later. The alarm will no longer ring. Based on our testing, versions prior to 26.2 beta 2 do not exhibit this issue, so it appears that something introduced in beta 3 has caused the regression. The results are as follows: iOS 26.1 → iOS 26.2 beta 2 or earlier: Alarms ring normally iOS 26.1 / iOS 26.2 beta 2 → iOS 26.2 beta 3 / iOS 26.2 RC: Alarms fail to ring iOS 26.2 beta 3 → iOS 26.2 RC: Alarms ring normally This issue is critical. Users currently on iOS 26.1 may experience alarms failing to ring after updating their system, which can cause real-life disruptions (e.g., being late for work). We strongly recommend addressing this as soon as possible. Xcode Version: Version 26.1.1 (17B100) Feedback ID: FB21273655
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AlarmKit: volume buttons for snoozing
Hi, Is there any way to make AlarmKit alarms snooze when the user presses the hardware volume buttons? Currently, pressing a volume button while an AlarmKit alarm is ringing stops/dismisses the alarm. Why this matters: Many users instinctively press the volume buttons when an alarm starts (either to react quickly while half-asleep or because they’re used to the Clock app behavior). When this stops the alarm entirely, users unintentionally dismiss the alarm, which can lead to missed wake-ups and a poor user experience. In practice, this becomes a frequent source of confusion and frustration because the behavior differs from the system Clock app.
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Age declaration not working when using Sandbox account with TestFlight builds
Hello I'm using this sdk DeclaredAgeRange to get the user age range When I'm doing in debug mode using sandbox account it is working as expected and I can get the user age range But when I tried in TestFlight build using sandbox account it is not working and it is always return the age range 18+ and also isEligibleForAgeFeatures API is always returning false Any advise on this?
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CallKit does not activate audio session with higher probability after upgrading to iOS 18.4.1
Hi, We've noticed that this issue occurs more frequently after upgrading to iOS 18.4.1 and can result in one-way audio. Our app uses CallKit with WebRTC to establish VoIP connections. However, on iOS 18.4.1, CallKit no longer triggers: func provider(_ provider: CXProvider, didActivate audioSession: AVAudioSession) We're currently comparing the occurrence rate across different iOS versions to better understand the impact. Could you please help analyze the root cause of this issue?
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AppClip is Unavailable
I published my app clip last year in the App Store. I can successfully open my app clip in iMessage or via link URL. but scanning the QR code of the very same URL leads to the "app clip is unavailable" error, in this case, I can see my application name and banner correctly. Any Idea why?
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App clip card is still there
Hi everyone, I’ve removed my App Clip completely: Deleted all Advanced App Clip Experiences Removed the App Clip target from my build Removed App Clip references from my apple-app-site-association file Deleted the meta tag from my website: But when I scan the QR code, the App Clip card still appears with: "This App Clip is not currently available in your country or region." Does anyone know why this is still showing and how to fully remove it? we need to show our website when this QRCode is scanned. Thanks!
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Advanced App Clip Main App approved but Appclip Experience Stuck in “Received” State (No Publish Option)
I am requesting assistance with an issue involving my Advanced App Clip Experience, which has remained in the “Received” state for more than few months, preventing the App Clip from becoming available when invoked via QR code. App Details App Name: Yellow Label Verification App Store Bundle ID: com.acviss.demoindia App Clip Bundle ID: com.acviss.demoindia.Clip Team ID: F2RLQ4VV59 App Version (Live): 1.4 Domain: acviss.com Issue Summary My Advanced App Clip Experience is stuck in the “Received” status. The “Publish” and “Build Assignment” options never appear, even though: The updated AASA file is correctly published at: https://acviss.com/.well-known/apple-app-site-association It contains the correct appclips → appID and paths entries It is served with the correct application/json content type Domain validation in App Store Connect shows Validated The App Clip build is already approved and live on the App Store Safari-based App Clip invocation works as expected Despite this, the Advanced App Clip Experience has not transitioned from “Received” to “Processing” or “Published.” Because of this, QR-based invocation consistently shows “App Clip Unavailable”, indicating that the App Clip Experience has not yet been activated on Apple’s backend. Reproduction Steps Publish correct AASA file with appclips array and paths Validate domain (shows green “Validated” in App Store Connect) Open the Advanced App Clip Experience in App Store Connect Status stays as Received “Build Assignment” or “Publish” buttons never appear QR scanning of the App Clip URL continues to show App Clip Unavailable Request Could you please check the backend processing of my App Clip Experience and manually trigger the sync or processing It appears that the App Clip Experience is not being processed even though all configuration, AASA, and domain validations are correct. I would greatly appreciate your assistance in resolving this so the App Clip can be invoked successfully via QR. Thank you very much for your help and support.
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isEligibleForAgeFeatures: wrong minimum OS version
Dear Apple, while implementing Declared Age Range API in my app, I've noticed a mistake in documentation: the isEligibleForAgeFeatures property is marked 26.0+ in documentation, but 26.2+ in Xcode, which ultimately leads to inability to use it with OS below 26.2. Moreover, I'm thoroughly confused by this quote from documentation: This flag returns true on iOS and iPadOS based on a person’s eligibility and always returns false on macOS. It leads me to two questions: Is it possible to use Declared Age Range API for macOS apps? Will it be possible to use it in future? Will there be any changes regarding this matter in a meantime (especially after Jan 1st)? If yes - when should we expect these changes? If no - why this API declares macOS 26+ support alongside iOS/iPadOS, if it simply doesn't work for macOS now? As of now, my iOS app works flawlessly with given API (on iOS 26.2) while macOS app returns isEligibleForAgeFeatures = false and requestAgeRange request always throws AgeRangeService.Error.notAvailable. Also, does it mean that one should not use isEligibleForAgeFeatures boolean while implementing Declared Age Range API for apps below iOS 26.2 (I mean 26.0+)? Or implementing given API for iOS 26.2+ is a sufficient way to go? So shouldn't the whole API be marked as 26.2+? The minimum iOS version in my app is 16.0 and minimum macOS version is 13.0 anyway, so the significant part of users is left out of these updates, but the main goal here is legal compliance.
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Potential iOS26 regression on AASA file not download on app install
Original discussion pre iOS 26 Our app uses Auth0 with HTTPS callback, we've found the issue where AASA file is not ready immediately when app is initially launched, which is the exact issue from the above link. The issue seems mostly fixed on later versions on iOS 18, however, we are seeing some indications of a regression on iOS 26. Here's some measurement over the last week. | Platform | iOS 18 | iOS 26 | |---------------|----------|--------| | Adoption rate | 55% | 45% | | Issue seen | 1 | 5 | | Recover? | Yes | No | This only 1 iOS 18 instance was able to recover after 1 second after the first try, however, all iOS 26 instances were not able to recover in couple tens of seconds and less than 1 minute, the user eventually gave up. Is there a way to force app to update AASA file? Are there some iOS setting (like using a VPN) that could potentially downgrade the AASA fetch? Related Auth0 discussion: https://community.auth0.com/t/ios-application-not- recognizing-auth0-associated-domain/134847/27
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Is there a way to prevent the app from coming to the foreground when accepting a call with a banner-type call kit in a VoIP app?
I'm developing a VoIP app. Currently, I'm using CallKit to control call acceptance, and end-of-call processing. When a call comes in while using the phone, CallKit appears as a banner at the top of the screen. When I click "Accept" on the banner, the app opens and the call is received. (For OEMs, clicking the "Accept" button in the banner will accept the call as is.) The reason this feature is needed is, for example, when a call comes in as a banner call while using a navigation app, accepting the call causes the navigation app to go to the back and the VoIP app to come to the foreground, causing inconvenience to customers. This needs to be improved. Please advise.
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Crash (KERN_INVALID_ADDRESS) on IOS 26.2 GM when calling isEligibleForAgeFeatures
We recently released an update to our app to prepare for TX SB2420. Almost immediately on release, we started getting crash reports of crashes when calling isEligibleForAgeFeatures. Crashed: com.apple.root.user-initiated-qos.cooperative EXC_BAD_ACCESS KERN_INVALID_ADDRESS 0x0000000000000004 Is it possible that these are beta users that have IOS 26.2 RC or is there a bug in the release version of IOS 26.2? Note: The crash reports are coming from Crashlytics so we are not getting OS build identifiers other than version "26.2"
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Drag and Drop multiple files to Finder in macOS SwiftUI Catalyst
I am trying to port my sandboxed macOS app completely over to iOS using a Catalyst target and SwiftUI. There appears to be an issue when trying to drag to the Finder in Catalyst (and in SwiftUI in General). For some reason, the Finder will not accept multiple file drops, only a single file. On my macOS (non-Catalyst AppKit target), I overcame this by dropping multiple files to a UTType of .folder, and the OS accepted the folder. This workaround is not available for iOS because .folder is a macOS-only option. I have a test app to illustrate the issue. Hopefully someone can help. Download Test App
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AgeRange Assurance Testing and Texas Law
AgeRangeService is the burning topic right now. Needless to say, Everything is so unclear. We got our app finally into the TestFlight for QA and the product to test. only to find out that AgeAssurance for sandbox testing does not work. There is no document confirming or denying whether and when age assurance for the App with the release configuration in test flight would work. There isn't any guidance from Apple on whether an app that sells physical goods, such as an e-commerce app, can continue doing business as usual. Also, there is no clarity that the Age assurance options are off, 13, unverified, 13 verified, and so on. How those should be used.
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Screen time API can be disabled easily
We have developed a Parental/Self control app using Screen time API. We have used individual authentication to authorize the app, using the instructions here: https://developer.apple.com/documentation/familycontrols/authorizationcenter The problem is , that individual auth can be disabled easily , by the following steps: enter Settings app. in Settings app, click on the Parental/Self control app. click to disable screen time restriction. show the device owner's face/fingerprint. (or pin code) Why is that a problem: Parental control apps, or self-control apps, are about giving control to the software, To make it hard for the user to disable the restrictions. So using the flow I have introduced above, it's super-easy for a user to disable his Parental control restrictions, which misses the entire point of Parental/Self control idea. Furthermore, not only the user have the means to unlock his screen time restrictions, he also MUST have the means to unlock it. This makes Screen time (with individual auth) useless: I have a code ready to make a great parental control app for my clients, with amazing ideas, but I can't use the Screen time API unless this problem is fixed. Why child-parent auth is not enough: My clients are grownups people between ages of 15-40, that are interested in self-control, so they don't have iCloud child accounts. also, the child-parent auth solution forces my clients to give some control to other person, and my clients prefer their privacy. Some of them prefer self-control and not parental-control. What I suggest as a solution: 1: Give more options to users how to disable the Screen time restrictions. including: a second faceID / FingerPrint (that isn't the same as the one used to unlock the device) a second pin password. a string password 2: Give the users the option to choose to not have the device's owner Face/Finger/Pincode ID , as a method to disable the Screen time restrictions.
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Critical CallKit Issue: Audio Route Flapping due to reason: 3 (CategoryChange) after User Toggle
I am facing a severe audio routing instability issue when using CallKit and the Zego Express SDK on iOS. The problem is that the audio route immediately reverts from the Speaker back to the Earpiece, effectively disabling the Speaker button functionality.📝 Observed BehaviorWhen the user taps the native CallKit Speaker Button, the audio route is correctly changed to the Speaker, but then instantly flips back to the Receiver (Earpiece), as shown in the system log captured via AVAudioSession.routeChangeNotification monitoring.🧾 Log Evidence (Flapping Occurs in 0.4 seconds)The following log snippet clearly illustrates the system overriding the user's action (reason: 4) with an unexpected CategoryChange (reason: 3) event: TimestampComponentReason CodeDescriptionRouteIs Speaker16:31:18.009[CallKitManager]4Override (CallKit/ControlCenter)Loa ngoài (Speaker)true16:31:18.411[CallKitManager]3CategoryChangeThiết bị nhận (Receiver)false
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Updating Advanced App Clip Experience in Apple Store Connect Not Working
When updating an existing advanced app clip experience, the change doesn't actually apply. It shows the correct image in the UI, but when you use the app clip it shows the old image. Looking into it more, the status has "UPDATE_SUBMITTED". Seems related to this issue (https://developer.apple.com/forums/thread/810544) and this issue (https://developer.apple.com/forums/thread/810351).
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For receiving audio in PushtoTalk, channelManager(_:didActivate:) not called when app receives first push after backgrounding
I'm implementing the PushToTalk framework and have encountered an issue where channelManager(_:didActivate:) is not called under specific circumstances. What works: App is in foreground, receives PTT push → didActivate is called ✅ App receives audio in foreground, then is backgrounded → subsequent pushes trigger didActivate ✅ What doesn't work: App is launched, user joins channel, then immediately backgrounds PTT push arrives while app is backgrounded incomingPushResult is called, I return .activeRemoteParticipant(participant) The system UI shows the speaker name correctly However, didActivate is never called Audio data arrives via WebSocket but cannot be played (no audio session) Setup: Channel joined successfully before backgrounding UIBackgroundModes includes push-to-talk No manual audio session activation (setActive) anywhere in my code AVAudioEngine setup only happens inside didActivate delegate method Issue persists even after channel restoration via channelDescriptor(restoredChannelUUID:) Question: Is this expected behavior or a bug? If expected, what's the correct approach to handle incoming PTT audio when the app is backgrounded and hasn't received audio while in the foreground yet?
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Declared Age Range API: iOS/macOS support
While preparing my app for Declared Age Range capability usage, I've noticed a weird behaviour: the same code works for iOS, but not for macOS. My project uses same target for both platforms, so the capability is enabled for both platforms. The business logic layer is also shared across between platforms. Both UI layers are writter in SwiftUI. The iCloud account used for testing on iOS and macOS devices is the same, so even the consent is shared across both devices. While requestAgeRange(ageGates:) seems to work just fine for iOS app, for macOS app it always throws Not available error (DeclaredAgeRange.AgeRangeService.Error.notAvailable) Am I missing something? Could the API be somehow unavailable for macOS? Should I use AgeRangeService.shared.requestAgeRange(ageGates:in:) for macOS instead of SwiftUI's @Environment-based approach? Also, after giving permission, is there a way to actually revoke it? In Age Range for Apps menu I can only view the list of apps that have my consent to share my age range, but not the ability to revoke it.
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Age range permission prompt text configurability
For other permission prompts in the iOS ecosystem, we have the option to configure the text shown in the prompt via keys in the Info.plist. This does not appear to be the case with regards to the age range permission prompt. The text of the prompt implies the app includes a differentiated experience for child or teen content and that confirming age unlocks more features (making it seem optional for using the app). Is there a plan for app developers to be able to update that permission prompt similarly to how we can configure others? If so, is there any timeline we can expect that on?
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AgeRangeService system prompt does not allow displaying upper age threshold (e.g. 18+)
We are using AgeRangeService.requestAgeRange(ageGates:in:) with an age gate of 18 to verify adult users. The system prompt always displays the lower-bound wording (“17 or Younger”), even when the app’s requirement is to verify users who are 18 or older. We understand the UI is system-controlled; however, this wording causes confusion for users, QA, and product teams, as it appears to indicate a child-only flow even when requesting adult verification. Based on the demonstration video, it appears that they have another more coherent message. In Apple's example, it is different, and it is correct that we need to specify 18 years or older in the implementation. A little more context might be helpful, but we are creating a kind of wrapper with React Native that receives that value as a parameter, which is 18.
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