We are seeing significant increase in crashes in iOS 15. Most of the crashes are from UIKitCore. As of now we are not able to reproduce the issue.
Can someone point out what could be causing these high number of crashes in iOS 15?
Thread 0 name: Thread 0 Crashed: 0 libsystem_kernel.dylib 0x00000001ba964014 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x00000001f339f20c _pthread_cond_wait + 1236 (pthread_cond.c:636) 2 XYZ 0x0000000105c2b338 il2cpp::os::posix::PosixWaitObject::Wait(unsigned int, bool) + 328 (PosixWaitObject.cpp:125) 3 XYZ 0x0000000105c227f0 il2cpp::os::Event::Wait(unsigned int, bool) + 16 (Event.cpp:44) 4 XYZ 0x0000000105c227f0 il2cpp::os::Thread::Join(unsigned int) + 16 (Thread.cpp:209) 5 XYZ 0x0000000105c227f0 il2cpp::os::Thread::Join() + 24 (Thread.cpp:203) 6 XYZ 0x0000000105c42b40 il2cpp::vm::Thread::KillAllBackgroundThreadsAndWaitForForegroundThreads() + 516 (Thread.cpp:316) 7 XYZ 0x0000000105c4b998 il2cpp::vm::Runtime::Shutdown() + 76 (Runtime.cpp:426) 8 XYZ 0x00000001053a995c CleanupIl2Cpp() + 20 (MonoManager_Il2Cpp.cpp:276) 9 XYZ 0x0000000105301d80 PlayerCleanup(bool) + 84 (Player.cpp:627) 10 XYZ 0x00000001055ec264 UnityCleanup + 16 (LibEntryPoint.mm:220) 11 XYZ 0x0000000104743d28 -[UnityAppController applicationWillTerminate:] + 36 (UnityAppController.mm:796) 12 UIKitCore 0x00000001873d98f4 -[UIApplication _terminateWithStatus:] + 244 (UIApplication.m:6844) 13 UIKitCore 0x0000000186ac67b4 -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] + 128 (_UISceneLifecycleMultiplexer.m:808) 14 UIKitCore 0x0000000186cb7314 -[_UISceneLifecycleMultiplexer forceExitWithTransitionContext:scene:] + 224 (_UISceneLifecycleMultiplexer.m:482) 15 UIKitCore 0x00000001873d6574 -[UIApplication workspaceShouldExit:withTransitionContext:] + 212 (UIApplication.m:3776) 16 FrontBoardServices 0x0000000195f42c98 __63-[FBSWorkspaceScenesClient willTerminateWithTransitionContext:]_block_invoke_2 + 80 (FBSWorkspaceScenesClient.m:331) 17 FrontBoardServices 0x0000000195efd884 -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 240 (FBSWorkspace.m:352) 18 FrontBoardServices 0x0000000195f42c30 __63-[FBSWorkspaceScenesClient willTerminateWithTransitionContext:]_block_invoke + 132 (FBSWorkspaceScenesClient.m:328) 19 libdispatch.dylib 0x0000000183d1a5b0 _dispatch_client_callout + 20 (object.m:560) 20 libdispatch.dylib 0x0000000183d1e0e4 _dispatch_block_invoke_direct + 268 (queue.c:484) 21 FrontBoardServices 0x0000000195eff164 FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK + 48 (FBSSerialQueue.m:157) 22 FrontBoardServices 0x0000000195efe5a4 -[FBSSerialQueue _targetQueue_performNextIfPossible] + 220 (FBSSerialQueue.m:181) 23 FrontBoardServices 0x0000000195f02bb4 -[FBSSerialQueue _performNextFromRunLoopSource] + 28 (FBSSerialQueue.m:194) 24 CoreFoundation 0x00000001840c8a7c CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 28 (CFRunLoop.c:1967) 25 CoreFoundation 0x00000001840d9498 __CFRunLoopDoSource0 + 208 (CFRunLoop.c:2011) 26 CoreFoundation 0x00000001840142bc __CFRunLoopDoSources0 + 376 (CFRunLoop.c:2056) 27 CoreFoundation 0x000000018401995c __CFRunLoopRun + 820 (CFRunLoop.c:2930) 28 CoreFoundation 0x000000018402d24c CFRunLoopRunSpecific + 600 (CFRunLoop.c:3247) 29 GraphicsServices 0x000000019fbd7484 GSEventRunModal + 164 (GSEvent.c:2200) 30 UIKitCore 0x00000001869a4110 -[UIApplication _run] + 1100 (UIApplication.m:3441) 31 UIKitCore 0x0000000186721088 UIApplicationMain + 2204 (UIApplication.m:4981) 32 XYZ 0x0000000104725588 main + 184 (main.mm:72) 33 dyld 0x00000001092b5e64 start + 520 (dyldMain.cpp:888)