Attaching the watch dog crash report WatchDog Crash 08.03.23, 10-23.crash Feels like there is an issue with CoreAnimation Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 libsystem_kernel.dylib 0x1f646fb48 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1f6482008 mach_msg2_internal + 80 2 libsystem_kernel.dylib 0x1f6482248 mach_msg_overwrite + 388 3 libsystem_kernel.dylib 0x1f647008c mach_msg + 24 4 QuartzCore 0x1bb4736b0 CA::Render::Message::send_message() + 84 5 QuartzCore 0x1bb64a2ac CA::Render::Encoder::send_message(unsigned int, unsigned int, unsigned int*, unsigned long) + 940 6 QuartzCore 0x1bb41a16c CA::Context::commit_transaction(CA::Transaction*, double, double*) + 8860 7 QuartzCore 0x1bb44f3c4 CA::Transaction::commit() + 652 8 QuartzCore 0x1bb436408 CA::Transaction::flush_as_runloop_observer(bool) + 88 9 CoreFoundation 0x1b9e16070 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 36 10 CoreFoundation 0x1b9d9e690 __CFRunLoopDoObservers + 532 11 CoreFoundation 0x1b9dfff8c __CFRunLoopRun + 1048 12 CoreFoundation 0x1b9e051e4 CFRunLoopRunSpecific + 612 13 GraphicsServices 0x1f2c25368 GSEventRunModal + 164 14 UIKitCore 0x1bc2b4d88 -[UIApplication _run] + 888 15 UIKitCore 0x1bc2b49ec UIApplicationMain + 340 16 libswiftUIKit.dylib 0x1c27642a0 UIApplicationMain(_:_:_:_:) + 104 17 MyApp 0x1044f5bc8 static UIApplicationDelegate.main() + 104 18 MyApp 0x1044f5b50 static AppDelegate.$main() + 44 19 MyApp 0x1044f5c4c main + 28 20 dyld 0x1d8129948 start + 2504

Hello I have the same issue with AVAssetExportSession and composition animation tool. See here Will keep you updated if I find a solution. It's really annoying