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“Visual Studio Maui IOS”

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Reply to Nearby Interaction property supportsDirectionMeasurement returns false and NINearbyObject direction property is nil
Having the same problem, although I'm not sure if it's related to iOS26 or phones with the U2 chip. Worth noting that I am doing peer to peer rather then peer to object, but figured I'd share my findings. iPhone 16 Pro (U2 chip), iOS 26.3.1: NISession created — capabilities: token: true supportsDirection: false supportsCameraAssistance: true supportsExtendedDistanceMeasurement: true supportsPreciseDistanceMeasurement: true iPhone 12 (U1 chip), iOS 18.6.2: NISession created — capabilities: token: true supportsDirection: true supportsCameraAssistance: true supportsExtendedDistanceMeasurement: false supportsPreciseDistanceMeasurement: true What I've found so far, at least the case of the 16 Pro / U2 / iOS 26 (?): 3D direction vector is never available Camera seems to be required for directional convergence Everything seems to be determined by hAngle Placing both a 16 Pro and a 12 face down on a table with rear cameras covered: 12 continues to show position with a dirSrc of '3D'; 16 Pro
Topic: App & System Services SubTopic: General Tags:
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**Apple Developer Program enrollment stuck for over a week — no response from support**
Hello, I've been trying to enroll in the Apple Developer Program for over a week now and I'm completely stuck. Despite multiple attempts and reaching out to Apple Support via both email and phone, I have received no resolution and no meaningful response. Here is a summary of my situation: I initiated enrollment and completed all required steps, including identity verification and payment. My enrollment was unexpectedly withdrawn without explanation. I attempted to re-enroll. The account remains in a pending/unresolved state with no approval or rejection. I have an app (already live on Google Play) ready for iOS submission that is being blocked by this issue. I have contacted Apple Support multiple times — via email and by phone — and have been advised to use the callback system at developer.apple.com/contact to reach the Membership & Enrollment team. Despite following this guidance, I still have no resolution after more than 7 days. Has anyone experienced a similar situation? Is there any way to
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Reply to Recurring FigXPCUtilities / FigCaptureSourceRemote err=-17281 logs when using AVCaptureVideoDataOutput on iOS 26.x
Thanks for this interesting post! I'm not an expert on that field nor that API. Hope one of the engineers on that team can jump into this thread for better info. These specific FigXPCUtilities and FigCaptureSourceRemote logs are almost certainly benign internal framework noise rather than a regression or a flaw in your capture pipeline. Looking up the err=-17281 is a CoreMedia error code that, without knowing here, typically points to a minor XPC synchronization hiccup, a port invalidation, or an asynchronous state mismatch during the setup or teardown of the capture session? I believe this logs are for information only and should be removed. Code paths that silently recovered in older iOS versions often have their log levels elevated in newer releases (or beta releases), resulting in console spam. If your AVCaptureVideoDataOutputSampleBufferDelegate is successfully receiving CMSampleBuffer frames and your preview layer is rendering smoothly. You can safely ignore these logs. If you want to temporari
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Recurring FigXPCUtilities / FigCaptureSourceRemote err=-17281 logs when using AVCaptureVideoDataOutput on iOS 26.x
Hi everyone, I’m seeing recurring internal AVFoundation camera logs on iOS 26.2 and I’m trying to understand whether this is expected behavior or a regression in the capture pipeline. These logs appear shortly after starting an AVCaptureSession, while video frames are being delivered, and also when the camera is stopped or the capture session is torn down. <<<< FigXPCUtilities >>>> signalled err=-17281 at <>:302 <<<< FigCaptureSourceRemote >>>> Fig assert: err == 0 at bail (FigCaptureSourceRemote.m:569) - (err=-17281) Even in this clean, minimal setup, the same logs appear on iOS 26.2 The exact same logic did not produce these logs on iOS 18.x. To rule out issues caused by my own code, GPT created a minimal SwiftUI example from scratch. My primary interest is to perform real-time processing on the video frames delivered by the camera (via AVCaptureVideoDataOutput), for tasks such as analysis, computer vision, or custom frame han
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Can two NSPanel windows both display active/focused appearance simultaneously on macOS 26?
I'm building a macOS app with two separate NSPanel windows, both using the new liquid glass material (NSVisualEffectView / macOS 26). The UI intentionally has two separate floating panels visible at the same time. The problem: only the key window displays the active liquid glass appearance. The non-key panel always renders with the inactive/foggy appearance, even with: NSWindowStyleMaskNonactivatingPanel canBecomeKeyWindow = false orderFrontRegardless() addChildWindow(_:ordered:) Is there any way — documented or otherwise — to force the active liquid glass appearance on a non-key NSPanel? Or is this fundamentally a compositor-level restriction? If it's impossible with two separate windows, is there an alternative approach to achieve two visually separate liquid glass boxes that both appear active simultaneously?
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Reply to Recurring FigXPCUtilities / FigCaptureSourceRemote err=-17281 logs when using AVCaptureVideoDataOutput on iOS 26.x
Similar issue here when starting an ARSession. iOS 26.3.1 on an iPhone 16 Pro. No issues running the same app on an iPhone 12 on iOS 18.6.2 `(Fig) signalled err=-12710 at <>:601 <<<< FigXPCUtilities >>>> signalled err=-17281 at <>:308 <<<< FigCaptureSourceRemote >>>> Fig assert: err == 0 at bail (FigCaptureSourceRemote.m:569) - (err=-17281)`
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DeviceActivityReportExtension sandbox blocks all output channels — how to export resolved Application.bundleIdentifier?
DeviceActivityReportExtension sandbox blocks all output channels — how to export resolved Application.bundleIdentifier? Application.bundleIdentifier only resolves to a non-nil value inside a DeviceActivityReportExtension (ExtensionKit/XPC). The main app and DeviceActivityMonitor extension always return nil. However, the Report Extension's sandbox silently blocks every output channel I've tested: UserDefaults (App Group): Reads succeed, writes silently dropped File writes (App Group container): Fail silently or throw HTTP requests: Network blocked entirely Local Notifications: Couldn't communicate with a helper application UIPasteboard: Writes silently fail iCloud KVS: synchronize() returns false Both targets share the same com.apple.security.application-groups entitlement and group identifier. The main app reads and writes to the shared container normally — only the extension's writes fail. This means resolved bundle identifiers can only be rendered in the extension's own SwiftUI view and cannot be communicat
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_MPRemoteCommandEventDispatch crashes on iOS 26.x devices.
I'm seeing crashes in _MPRemoteCommandEventDispatch on iOS 26.x devices in 3 apps. According to Bugsnag logs they are: NSInternalInconsistencyException: event dispatch <_MPRemoteCommandEventDispatch: sourceID=(null) ([HostedRoutingSessionDataSource] handleControlSendingCommand<2W5E>)> state:201> deallocated without calling continuation I attached a log from Xcode organizer matching Bugsnag crash. mpr_remote_command_event.crash When I set the brakpoint on the -[_MPRemoteCommandEventDispatch dealloc] I can see it it's hit every time I tap play or pause on locked screen play button. Thread 0 Crashed: 0 libsystem_kernel.dylib 0x00000002370420cc __pthread_kill + 8 (:-1) 1 libsystem_pthread.dylib 0x00000001e975c810 pthread_kill + 268 (pthread.c:1721) 2 libsystem_c.dylib 0x0000000198f8ff64 abort + 124 (abort.c:122) 3 libc++abi.dylib 0x000000018a7cf808 __abort_message + 132 (abort_message.cpp:66) 4 libc++abi.dylib 0x000000018a7be484 demangling_terminate_handler() + 304 (cxa_default_handlers.c
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Reply to Bug: Wi-Fi Aware (NAN) Subscriber Mode: nwPath.availableInterfaces Does Not Include nan0 Interface After Successful Peer Connection
[quote='880225022, wu_aaron, /thread/818708?answerId=880225022#880225022, /profile/wu_aaron'] we need to establish multiple additional NWConnection instances … over the Wi‑Fi Aware network [/quote] I don’t think you can do this on currently shipping systems. However, we’ve added support for it in iOS 26.4 beta. This is sufficiently ‘bleeding edge’ that the docs haven’t hit the Developer website yet. But the APIs are in the iOS 26.4 beta SDK (I’m using Xcode 26.4b3, build 17E5179g) and there’s documentation in Xcode itself. To set up a listener: let devices: WAPublisherListener.Devices = … specific devices … let listener = try NetworkListener(for: .wifiAware(.addingConnections(from: devices)), using: .parameters({ TCP() }).localPort(12345)) On the client side, do this: let connection: NetworkConnection = … original connection … guard let wifiAwareEndpoint = connection.currentPath?.remoteEndpoint?.wifiAware(port: 12345) else { // … handle the failure … } // … connect to that endpoint … If you
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Reply to Bug: Wi-Fi Aware (NAN) Subscriber Mode: nwPath.availableInterfaces Does Not Include nan0 Interface After Successful Peer Connection
[quote='880225022, wu_aaron, /thread/818708?answerId=880225022#880225022, /profile/wu_aaron'] we need to establish multiple additional NWConnection instances … over the Wi‑Fi Aware network [/quote] I don’t think you can do this on currently shipping systems. However, we’ve added support for it in iOS 26.4 beta. This is sufficiently ‘bleeding edge’ that the docs haven’t hit the Developer website yet. But the APIs are in the iOS 26.4 beta SDK (I’m using Xcode 26.4b3, build 17E5179g) and there’s documentation in Xcode itself. To set up a listener: let devices: WAPublisherListener.Devices = … specific devices … let listener = try NetworkListener(for: .wifiAware(.addingConnections(from: devices)), using: .parameters({ TCP() }).localPort(12345)) On the client side, do this: let connection: NetworkConnection = … original connection … guard let wifiAwareEndpoint = connection.currentPath?.remoteEndpoint?.wifiAware(port: 12345) else { // … handle the failure … } // … connect to that endpoint … If you
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Biometrics prompt + private key access race condition on since iOS 26.1
We are using SecItemCopyMatching from LocalAuthentication to access the private key to sign a challenge in our native iOS app twice in a few seconds from user interactions. This was working as expected up until about a week ago where we started getting reports of it hanging on the biometrics screen (see screenshot below). From our investigation we've found the following: It impacts newer iPhones using iOS 26.1 and later. We have replicated on these devices: iPhone 17 Pro max iPhone 16 Pro iPhone 15 Pro max iPhone 15 Only reproducible if the app tries to access the private key twice in quick succession after granting access to face ID. Looks like a race condition between the biometrics permission prompt and Keychain private key access We were able to make it work by waiting 10 seconds between private key actions, but this is terrible UX. We tried adding adding retries over the span of 10 seconds which fixed it on some devices, but not all. We checked the release notes for iOS 26.1, b
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Reply to Biometrics prompt + private key access race condition on since iOS 26.1
[quote='880086022, smjkrk, /thread/814261?answerId=880086022#880086022, /profile/smjkrk'] we still get this issue with iOS 26.3 and 26.3.1. [/quote] Bummer. At this point I think I’m gonna double down on my earlier suggestion to file a bug about this. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Privacy & Security SubTopic: General Tags:
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Reply to Nearby Interaction property supportsDirectionMeasurement returns false and NINearbyObject direction property is nil
Having the same problem, although I'm not sure if it's related to iOS26 or phones with the U2 chip. Worth noting that I am doing peer to peer rather then peer to object, but figured I'd share my findings. iPhone 16 Pro (U2 chip), iOS 26.3.1: NISession created — capabilities: token: true supportsDirection: false supportsCameraAssistance: true supportsExtendedDistanceMeasurement: true supportsPreciseDistanceMeasurement: true iPhone 12 (U1 chip), iOS 18.6.2: NISession created — capabilities: token: true supportsDirection: true supportsCameraAssistance: true supportsExtendedDistanceMeasurement: false supportsPreciseDistanceMeasurement: true What I've found so far, at least the case of the 16 Pro / U2 / iOS 26 (?): 3D direction vector is never available Camera seems to be required for directional convergence Everything seems to be determined by hAngle Placing both a 16 Pro and a 12 face down on a table with rear cameras covered: 12 continues to show position with a dirSrc of '3D'; 16 Pro
Topic: App & System Services SubTopic: General Tags:
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Nearby Interaction property supportsDirectionMeasurement returns false and NINearbyObject direction property is nil
I am trying on iOS 16.1.1 the Nearby Interaction framework. I am testing it on two iPhones 14 Pro Max. The supportsDirectionMeasurement property returns false (!) and the direction property on the NINearbyObjects is nil. Has someone experienced the same issue?
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**Apple Developer Program enrollment stuck for over a week — no response from support**
Hello, I've been trying to enroll in the Apple Developer Program for over a week now and I'm completely stuck. Despite multiple attempts and reaching out to Apple Support via both email and phone, I have received no resolution and no meaningful response. Here is a summary of my situation: I initiated enrollment and completed all required steps, including identity verification and payment. My enrollment was unexpectedly withdrawn without explanation. I attempted to re-enroll. The account remains in a pending/unresolved state with no approval or rejection. I have an app (already live on Google Play) ready for iOS submission that is being blocked by this issue. I have contacted Apple Support multiple times — via email and by phone — and have been advised to use the callback system at developer.apple.com/contact to reach the Membership & Enrollment team. Despite following this guidance, I still have no resolution after more than 7 days. Has anyone experienced a similar situation? Is there any way to
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222
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Reply to Recurring FigXPCUtilities / FigCaptureSourceRemote err=-17281 logs when using AVCaptureVideoDataOutput on iOS 26.x
Thanks for this interesting post! I'm not an expert on that field nor that API. Hope one of the engineers on that team can jump into this thread for better info. These specific FigXPCUtilities and FigCaptureSourceRemote logs are almost certainly benign internal framework noise rather than a regression or a flaw in your capture pipeline. Looking up the err=-17281 is a CoreMedia error code that, without knowing here, typically points to a minor XPC synchronization hiccup, a port invalidation, or an asynchronous state mismatch during the setup or teardown of the capture session? I believe this logs are for information only and should be removed. Code paths that silently recovered in older iOS versions often have their log levels elevated in newer releases (or beta releases), resulting in console spam. If your AVCaptureVideoDataOutputSampleBufferDelegate is successfully receiving CMSampleBuffer frames and your preview layer is rendering smoothly. You can safely ignore these logs. If you want to temporari
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Recurring FigXPCUtilities / FigCaptureSourceRemote err=-17281 logs when using AVCaptureVideoDataOutput on iOS 26.x
Hi everyone, I’m seeing recurring internal AVFoundation camera logs on iOS 26.2 and I’m trying to understand whether this is expected behavior or a regression in the capture pipeline. These logs appear shortly after starting an AVCaptureSession, while video frames are being delivered, and also when the camera is stopped or the capture session is torn down. <<<< FigXPCUtilities >>>> signalled err=-17281 at <>:302 <<<< FigCaptureSourceRemote >>>> Fig assert: err == 0 at bail (FigCaptureSourceRemote.m:569) - (err=-17281) Even in this clean, minimal setup, the same logs appear on iOS 26.2 The exact same logic did not produce these logs on iOS 18.x. To rule out issues caused by my own code, GPT created a minimal SwiftUI example from scratch. My primary interest is to perform real-time processing on the video frames delivered by the camera (via AVCaptureVideoDataOutput), for tasks such as analysis, computer vision, or custom frame han
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841
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Can two NSPanel windows both display active/focused appearance simultaneously on macOS 26?
I'm building a macOS app with two separate NSPanel windows, both using the new liquid glass material (NSVisualEffectView / macOS 26). The UI intentionally has two separate floating panels visible at the same time. The problem: only the key window displays the active liquid glass appearance. The non-key panel always renders with the inactive/foggy appearance, even with: NSWindowStyleMaskNonactivatingPanel canBecomeKeyWindow = false orderFrontRegardless() addChildWindow(_:ordered:) Is there any way — documented or otherwise — to force the active liquid glass appearance on a non-key NSPanel? Or is this fundamentally a compositor-level restriction? If it's impossible with two separate windows, is there an alternative approach to achieve two visually separate liquid glass boxes that both appear active simultaneously?
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Reply to Recurring FigXPCUtilities / FigCaptureSourceRemote err=-17281 logs when using AVCaptureVideoDataOutput on iOS 26.x
Similar issue here when starting an ARSession. iOS 26.3.1 on an iPhone 16 Pro. No issues running the same app on an iPhone 12 on iOS 18.6.2 `(Fig) signalled err=-12710 at <>:601 <<<< FigXPCUtilities >>>> signalled err=-17281 at <>:308 <<<< FigCaptureSourceRemote >>>> Fig assert: err == 0 at bail (FigCaptureSourceRemote.m:569) - (err=-17281)`
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DeviceActivityReportExtension sandbox blocks all output channels — how to export resolved Application.bundleIdentifier?
DeviceActivityReportExtension sandbox blocks all output channels — how to export resolved Application.bundleIdentifier? Application.bundleIdentifier only resolves to a non-nil value inside a DeviceActivityReportExtension (ExtensionKit/XPC). The main app and DeviceActivityMonitor extension always return nil. However, the Report Extension's sandbox silently blocks every output channel I've tested: UserDefaults (App Group): Reads succeed, writes silently dropped File writes (App Group container): Fail silently or throw HTTP requests: Network blocked entirely Local Notifications: Couldn't communicate with a helper application UIPasteboard: Writes silently fail iCloud KVS: synchronize() returns false Both targets share the same com.apple.security.application-groups entitlement and group identifier. The main app reads and writes to the shared container normally — only the extension's writes fail. This means resolved bundle identifiers can only be rendered in the extension's own SwiftUI view and cannot be communicat
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Can I download the iOS 26 or newer simulator runtime via a download link
Can I download the iOS 26 simulator runtime via a download link? The machine I need to deploy on may require an offline package installation due to firewall restrictions.
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Reply to Can I download the iOS 26 simulator runtime via a download link
Hi! You can download simulator runtimes following this documentation. For example xcodebuild -downloadPlatform iOS -exportPath ~/Downloads will download the iOS simulator runtime in your Downloads folder. On the other machine, you can use xcodebuild -importPlatform path/to/runtime.dmg to install the simulator runtime you just downloaded.
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_MPRemoteCommandEventDispatch crashes on iOS 26.x devices.
I'm seeing crashes in _MPRemoteCommandEventDispatch on iOS 26.x devices in 3 apps. According to Bugsnag logs they are: NSInternalInconsistencyException: event dispatch <_MPRemoteCommandEventDispatch: sourceID=(null) ([HostedRoutingSessionDataSource] handleControlSendingCommand<2W5E>)> state:201> deallocated without calling continuation I attached a log from Xcode organizer matching Bugsnag crash. mpr_remote_command_event.crash When I set the brakpoint on the -[_MPRemoteCommandEventDispatch dealloc] I can see it it's hit every time I tap play or pause on locked screen play button. Thread 0 Crashed: 0 libsystem_kernel.dylib 0x00000002370420cc __pthread_kill + 8 (:-1) 1 libsystem_pthread.dylib 0x00000001e975c810 pthread_kill + 268 (pthread.c:1721) 2 libsystem_c.dylib 0x0000000198f8ff64 abort + 124 (abort.c:122) 3 libc++abi.dylib 0x000000018a7cf808 __abort_message + 132 (abort_message.cpp:66) 4 libc++abi.dylib 0x000000018a7be484 demangling_terminate_handler() + 304 (cxa_default_handlers.c
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Reply to Bug: Wi-Fi Aware (NAN) Subscriber Mode: nwPath.availableInterfaces Does Not Include nan0 Interface After Successful Peer Connection
[quote='880225022, wu_aaron, /thread/818708?answerId=880225022#880225022, /profile/wu_aaron'] we need to establish multiple additional NWConnection instances … over the Wi‑Fi Aware network [/quote] I don’t think you can do this on currently shipping systems. However, we’ve added support for it in iOS 26.4 beta. This is sufficiently ‘bleeding edge’ that the docs haven’t hit the Developer website yet. But the APIs are in the iOS 26.4 beta SDK (I’m using Xcode 26.4b3, build 17E5179g) and there’s documentation in Xcode itself. To set up a listener: let devices: WAPublisherListener.Devices = … specific devices … let listener = try NetworkListener(for: .wifiAware(.addingConnections(from: devices)), using: .parameters({ TCP() }).localPort(12345)) On the client side, do this: let connection: NetworkConnection = … original connection … guard let wifiAwareEndpoint = connection.currentPath?.remoteEndpoint?.wifiAware(port: 12345) else { // … handle the failure … } // … connect to that endpoint … If you
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Reply to Bug: Wi-Fi Aware (NAN) Subscriber Mode: nwPath.availableInterfaces Does Not Include nan0 Interface After Successful Peer Connection
[quote='880225022, wu_aaron, /thread/818708?answerId=880225022#880225022, /profile/wu_aaron'] we need to establish multiple additional NWConnection instances … over the Wi‑Fi Aware network [/quote] I don’t think you can do this on currently shipping systems. However, we’ve added support for it in iOS 26.4 beta. This is sufficiently ‘bleeding edge’ that the docs haven’t hit the Developer website yet. But the APIs are in the iOS 26.4 beta SDK (I’m using Xcode 26.4b3, build 17E5179g) and there’s documentation in Xcode itself. To set up a listener: let devices: WAPublisherListener.Devices = … specific devices … let listener = try NetworkListener(for: .wifiAware(.addingConnections(from: devices)), using: .parameters({ TCP() }).localPort(12345)) On the client side, do this: let connection: NetworkConnection = … original connection … guard let wifiAwareEndpoint = connection.currentPath?.remoteEndpoint?.wifiAware(port: 12345) else { // … handle the failure … } // … connect to that endpoint … If you
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Biometrics prompt + private key access race condition on since iOS 26.1
We are using SecItemCopyMatching from LocalAuthentication to access the private key to sign a challenge in our native iOS app twice in a few seconds from user interactions. This was working as expected up until about a week ago where we started getting reports of it hanging on the biometrics screen (see screenshot below). From our investigation we've found the following: It impacts newer iPhones using iOS 26.1 and later. We have replicated on these devices: iPhone 17 Pro max iPhone 16 Pro iPhone 15 Pro max iPhone 15 Only reproducible if the app tries to access the private key twice in quick succession after granting access to face ID. Looks like a race condition between the biometrics permission prompt and Keychain private key access We were able to make it work by waiting 10 seconds between private key actions, but this is terrible UX. We tried adding adding retries over the span of 10 seconds which fixed it on some devices, but not all. We checked the release notes for iOS 26.1, b
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Reply to Biometrics prompt + private key access race condition on since iOS 26.1
[quote='880086022, smjkrk, /thread/814261?answerId=880086022#880086022, /profile/smjkrk'] we still get this issue with iOS 26.3 and 26.3.1. [/quote] Bummer. At this point I think I’m gonna double down on my earlier suggestion to file a bug about this. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Privacy & Security SubTopic: General Tags:
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