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[CBXpcConnection _sendBarrier] crash on iOS26
hello We found that our app had a lot of crashes on iOS 26. The crash stack showed [CBXpcConnection _sendBarrier]. The following is the crash log: Thread 0 name: com.apple.main-thread (cpu_usage: 0.00%) 1 libsystem_kernel.dylib _semaphore_wait_trap (in libsystem_kernel.dylib) 2 libdispatch.dylib __dispatch_sema4_wait (in libdispatch.dylib) 3 libdispatch.dylib __dispatch_semaphore_wait_slow (in libdispatch.dylib) 4 CoreBluetooth -[CBXpcConnection _sendBarrier] (in CoreBluetooth) 5 CoreFoundation ___CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ (in CoreFoundation) 6 CoreFoundation ____CFXRegistrationPost_block_invoke (in CoreFoundation) 7 CoreFoundation __CFXRegistrationPost (in CoreFoundation) 8 CoreFoundation __CFXNotificationPost (in CoreFoundation) 9 Foundation -[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation) 10 UIKitCore ___47-[UIApplication _applicationDidEnterBackground]_block_invoke (in UIKitCore) 11 UIKitCore +[UIViewController _performWithoutDeferringTransitionsAllowingAnimation:actions:] (in UIKitCore) 12 UIKitCore -[UIApplication _applicationDidEnterBackground] (in UIKitCore) 13 UIKitCore ___101-[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:]_block_invoke_2 (in UIKitCore) 14 UIKitCore __UIScenePerformActionsWithLifecycleActionMask (in UIKitCore) 15 UIKitCore ___101-[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:]_block_invoke (in UIKitCore) 16 UIKitCore -[_UISceneLifecycleMultiplexer _performBlock:withApplicationOfDeactivationReasons:fromReasons:] (in UIKitCore) 17 UIKitCore -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] (in UIKitCore) 18 UIKitCore -[_UISceneLifecycleMultiplexer uiScene:transitionedFromState:withTransitionContext:] (in UIKitCore) 19 UIKitCore ___186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke (in UIKitCore) 20 UIKitCore +[BSAnimationSettings(UIKit) tryAnimatingWithSettings:fromCurrentState:actions:completion:] (in UIKitCore) 21 UIKitCore __UISceneSettingsDiffActionPerformChangesWithTransitionContextAndCompletion (in UIKitCore) 22 UIKitCore -[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:] (in UIKitCore) 23 UIKitCore __64-[UIScene scene:didUpdateWithDiff:transitionContext:completion:]_block_invoke.218 (in UIKitCore) 24 UIKitCore -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:] (in UIKitCore) 25 UIKitCore -[UIScene scene:didUpdateWithDiff:transitionContext:completion:] (in UIKitCore) 26 UIKitCore -[UIApplicationSceneClientAgent scene:handleEvent:withCompletion:] (in UIKitCore) 27 FrontBoardServices __76-[FBSScene updater:didUpdateSettings:withDiff:transitionContext:completion:]_block_invoke.129 (in FrontBoardServices) 28 FrontBoardServices -[FBSScene _callOutQueue_maybeCoalesceClientSettingsUpdates:] (in FrontBoardServices) 29 FrontBoardServices -[FBSScene updater:didUpdateSettings:withDiff:transitionContext:completion:] (in FrontBoardServices) 30 FrontBoardServices __94-[FBSWorkspaceScenesClient _queue_updateScene:withSettings:diff:transitionContext:completion:]_block_invoke_2.cold.1 (in FrontBoardServices) 31 FrontBoardServices ___94-[FBSWorkspaceScenesClient _queue_updateScene:withSettings:diff:transitionContext:completion:]_block_invoke_2 (in FrontBoardServices) 32 FrontBoardServices -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] (in FrontBoardServices) 33 libdispatch.dylib __dispatch_client_callout (in libdispatch.dylib) 34 libdispatch.dylib __dispatch_block_invoke_direct (in libdispatch.dylib) 35 BoardServices ___BSSERVICEMAINRUNLOOPQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ (in BoardServices) 36 BoardServices _BSServiceMainRunLoopSourceHandler (in BoardServices) 37 CoreFoundation ___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (in CoreFoundation) 38 CoreFoundation ___CFRunLoopDoSource0 (in CoreFoundation) 39 CoreFoundation ___CFRunLoopDoSources0 (in CoreFoundation) 40 CoreFoundation ___CFRunLoopRun (in CoreFoundation) 41 CoreFoundation __CFRunLoopRunSpecificWithOptions (in CoreFoundation) 42 GraphicsServices _GSEventRunModal (in GraphicsServices) 43 UIKitCore -[UIApplication _run] (in UIKitCore) 44 UIKitCore _UIApplicationMain (in UIKitCore) Thanks
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Sep ’25
siri short 10s timeout
When I use the wake up word to call up siri shortcut extension, when the request exceeds 10s, intenthandler is automatically released by the system. Is it true that siri shortcut extension cannot run longer than 10s? Is there any way to extend the timeout period?
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675
Dec ’23
iOS Widget not available in Widget Search on iOS 16
We are running into a major issue with building an iOS Widget. iOS Widgets are basically large informational app icons you can pin to your iPhone home screen (What is a widget?). iOS widgets were introduced in iOS 14. We’ve finished building our iOS widget. However, when half of our users attempt to search for our widget after downloading our app, our widget is not showing up in the widget search results. For the other half, it works fine. This seems to be somewhat of a bug from Apple, as it is affects other widget apps (Apple Thread, the problem exists for large widget apps also). It seems like we are having this issue far more, percentage-wise, than other widget apps. I’ve searched through nearly every resource online (StackOverflow, etc.), which is why I’m posting a question now. Things like deleting the app and reinstalling, restarting the phone, etc. have not been a fix either for these problematic users. It doesn't seem to be tied to any iOS version (14, 15, etc.). As I have iOS 15, and it works fine. But, some users with iOS 15 are getting the bug. Has anyone ran into this issue where a widget is not searchable? How did you fix it? Any resources are appreciated as I am at a major blocker right now. Since my app is primarily based on iOS widgets, this makes it basically unusable for certain users.
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1.1k
Mar ’23