BetterDisplay stops on display/OS switch

[bobbd2000]

BetterDisplay 4.04 running on an M4 MacMini on Tahoe 26.0.1. I also have Windows 11 running on a PC. Both are attached to the same monitor using different HDMI inputs. I use Synergy to switch and use the same mouse and keyboard. BetterDisplay sits in my menubar and I use it to switch to the PC's HDMI port, HDMI2. It works perfectly. However, sometimes when I return from Windows, BetterDisplay has stopped running and the menubar icon is gone. I can easily restart BetterDisplay, but it shouldn't stop. I do have the BetterDisplay input source list as HDMI2 only because that's all I need. Adding the other port, HDMI1, makes no difference. Any suggestions?

[waydabber]

The app may be crashing for some reason. Do you have a crashlog in the macOS Console app (check the sections under Reports)? If so, can you attach one?

[bobbd2000]

I’ve attached the BetterDisplay Crash Report. In looking at the Console, I noticed that Synergy crashed just before BetterDisplay. And it seems to crash every time I switch to the PC. I’m going to contact Synergy Support about that. I can send you that crash log if you need it. Thanks Bob

…

------------------------------------- Translated Report (Full Report Below) ------------------------------------- Process: BetterDisplay [5130] Path: /Applications/BetterDisplay.app/Contents/MacOS/BetterDisplay Identifier: pro.betterdisplay.BetterDisplay Version: 4.0.4 (45613) Code Type: ARM-64 (Native) Role: Foreground Parent Process: launchd [1] Coalition: pro.betterdisplay.BetterDisplay [1045] User ID: 501 Date/Time: 2025-10-28 18:45:02.1893 -0400 Launch Time: 2025-10-28 17:33:58.2096 -0400 Hardware Model: Mac16,11 OS Version: macOS 26.0.1 (25A362) Release Type: User Crash Reporter Key: 99BB91AB-6A47-8374-F4E8-34FF19C4A01B Incident Identifier: 22B7B905-B567-4114-A6B7-160E3F0F6D08 Time Awake Since Boot: 260000 seconds System Integrity Protection: enabled Triggered by Thread: 0 Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x0000000000000001, 0x0000000189aedba0 Termination Reason: Namespace SIGNAL, Code 5, Trace/BPT trap: 5 Terminating Process: exc handler [5130] Application Specific Backtrace 0: 0 CoreFoundation 0x00000001851fc770 __exceptionPreprocess + 176 1 libobjc.A.dylib 0x0000000184cda418 objc_exception_throw + 88 2 CoreFoundation 0x00000001852cb7fc -[NSException initWithCoder:] + 0 3 AppKit 0x000000018a0f0564 -[NSWindow(NSDisplayCycle) _postWindowNeedsUpdateConstraints] + 1716 4 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 5 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 6 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 7 AppKit 0x000000018a64cc8c -[_NSConstraintBasedLayoutHostingView _informContainerThatSubviewsNeedUpdateConstraints] + 52 8 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 9 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 10 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 11 AppKit 0x000000018a1fed38 -[NSView setNeedsUpdateConstraints:] + 468 12 SwiftUI 0x00000001b904ac68 $s7SwiftUI13NSHostingViewC14setNeedsUpdateyyF + 184 13 SwiftUI 0x00000001b905e874 $s7SwiftUI13NSHostingViewC13requestUpdate5afterySd_tF + 700 14 SwiftUICore 0x000000022fc48a7c $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtFyyXEfU_ + 228 15 SwiftUICore 0x000000022fc47ca8 $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtF + 192 16 SwiftUI 0x00000001b904bec8 $s7SwiftUI13NSHostingViewC30invalidateSafeAreaCornerInsets33_32B6F54841135BB466A5C1362EB89D05LLyyF + 524 17 SwiftUI 0x00000001b905f904 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tF + 328 18 SwiftUI 0x00000001b905fa04 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tFTo + 68 19 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28 20 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148 21 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224 22 AppKit 0x000000018a5048dc __reusableDependencyContextForKey_block_invoke + 140 23 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28 24 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148 25 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224 26 AppKit 0x000000018a1f589c -[NSView setFrameSize:] + 720 27 AppKit 0x000000018a1f5ec8 -[NSView setFrame:] + 300 28 SwiftUI 0x00000001b92ae320 $s7SwiftUI22AppKitPlatformViewHostC012updateHostedF6BoundsyyF + 132 29 SwiftUI 0x00000001b92b0584 $s7SwiftUI22AppKitPlatformViewHostC6layoutyyFTo + 28 30 AppKit 0x0000000189913500 block_destroy_helper + 428 31 AppKit 0x00000001899bc604 block_destroy_helper.133 + 56 32 AppKit 0x00000001898729f8 block_destroy_helper + 6012 33 AppKit 0x0000000189873008 block_destroy_helper + 7564 34 AppKit 0x000000018a20fba0 ___NSViewLayout_block_invoke + 624 35 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 36 AppKit 0x00000001895bc0d4 _NSViewLayout + 96 37 AppKit 0x000000018a1feff0 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 372 38 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 39 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 40 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 41 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 42 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 43 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 44 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 45 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 46 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 47 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 48 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 49 AppKit 0x000000018a1ffcf4 __56-[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:]_block_invoke + 908 50 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 51 AppKit 0x000000018a1ff95c -[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:] + 100 52 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 53 AppKit 0x00000001895bbcb0 -[NSView layoutSubtreeIfNeeded] + 96 54 AppKit 0x000000018a58935c -[NSWindow(NSConstraintBasedLayoutInternal) _layoutViewTree] + 120 55 AppKit 0x000000018a589574 -[NSWindow(NSConstraintBasedLayoutInternal) layoutIfNeeded] + 240 56 AppKit 0x00000001895ea714 __NSWindowGetDisplayCycleObserverForLayout_block_invoke + 364 57 AppKit 0x00000001895ea06c NSDisplayCycleObserverInvoke + 168 58 AppKit 0x00000001895e9ce8 NSDisplayCycleFlush + 656 59 QuartzCore 0x000000018edc3bd0 _ZN2CA11Transaction19run_commit_handlersE18CATransactionPhase + 120 60 QuartzCore 0x000000018edc2254 _ZN2CA11Transaction6commitEv + 316 61 QuartzCore 0x000000018efa5534 _ZN2CA11Transaction25flush_as_runloop_observerEb + 140 62 AppKit 0x0000000189cd5cc0 stepTransactionFlush + 220 63 UpdateCycle 0x0000000270bd92fc _ZN2UC10DriverCore18continueProcessingEv + 84 64 CoreFoundation 0x00000001851c96e4 __CFMachPortPerform + 288 65 CoreFoundation 0x00000001851ac054 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 60 66 CoreFoundation 0x00000001851abf7c __CFRunLoopDoSource1 + 508 67 CoreFoundation 0x00000001851aa9ac __CFRunLoopRun + 2168 68 CoreFoundation 0x0000000185268898 _CFRunLoopRunSpecificWithOptions + 532 69 HIToolbox 0x0000000191ba7730 RunCurrentEventLoopInMode + 316 70 HIToolbox 0x0000000191baa9d0 ReceiveNextEventCommon + 488 71 HIToolbox 0x0000000191d341f4 _BlockUntilNextEventMatchingListInMode + 48 72 AppKit 0x0000000189a8225c _DPSBlockUntilNextEventMatchingListInMode + 236 73 AppKit 0x0000000189598edc _DPSNextEvent + 588 74 AppKit 0x0000000189feb958 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688 75 AppKit 0x0000000189feb664 -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 72 76 AppKit 0x0000000189591720 -[NSApplication run] + 368 77 BetterDisplay 0x00000001045d29f8 BetterDisplay + 10744 78 dyld 0x0000000184d4dd54 start + 7184 Application Specific Backtrace 1: 0 CoreFoundation 0x00000001851fc770 __exceptionPreprocess + 176 1 libobjc.A.dylib 0x0000000184cda418 objc_exception_throw + 88 2 CoreFoundation 0x00000001852cb7fc -[NSException initWithCoder:] + 0 3 AppKit 0x000000018a0f0564 -[NSWindow(NSDisplayCycle) _postWindowNeedsUpdateConstraints] + 1716 4 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 5 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 6 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 7 AppKit 0x000000018a64cc8c -[_NSConstraintBasedLayoutHostingView _informContainerThatSubviewsNeedUpdateConstraints] + 52 8 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 9 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 10 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64 11 AppKit 0x000000018a1fed38 -[NSView setNeedsUpdateConstraints:] + 468 12 SwiftUI 0x00000001b904ac68 $s7SwiftUI13NSHostingViewC14setNeedsUpdateyyF + 184 13 SwiftUI 0x00000001b905e874 $s7SwiftUI13NSHostingViewC13requestUpdate5afterySd_tF + 700 14 SwiftUICore 0x000000022fc48a7c $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtFyyXEfU_ + 228 15 SwiftUICore 0x000000022fc47ca8 $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtF + 192 16 SwiftUI 0x00000001b904bec8 $s7SwiftUI13NSHostingViewC30invalidateSafeAreaCornerInsets33_32B6F54841135BB466A5C1362EB89D05LLyyF + 524 17 SwiftUI 0x00000001b905f904 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tF + 328 18 SwiftUI 0x00000001b905fa04 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tFTo + 68 19 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28 20 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148 21 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224 22 AppKit 0x000000018a5048dc __reusableDependencyContextForKey_block_invoke + 140 23 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28 24 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148 25 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224 26 AppKit 0x000000018a1f589c -[NSView setFrameSize:] + 720 27 AppKit 0x000000018a1f5ec8 -[NSView setFrame:] + 300 28 SwiftUI 0x00000001b92ae320 $s7SwiftUI22AppKitPlatformViewHostC012updateHostedF6BoundsyyF + 132 29 SwiftUI 0x00000001b92b0584 $s7SwiftUI22AppKitPlatformViewHostC6layoutyyFTo + 28 30 AppKit 0x0000000189913500 block_destroy_helper + 428 31 AppKit 0x00000001899bc604 block_destroy_helper.133 + 56 32 AppKit 0x00000001898729f8 block_destroy_helper + 6012 33 AppKit 0x0000000189873008 block_destroy_helper + 7564 34 AppKit 0x000000018a20fba0 ___NSViewLayout_block_invoke + 624 35 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 36 AppKit 0x00000001895bc0d4 _NSViewLayout + 96 37 AppKit 0x000000018a1feff0 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 372 38 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 39 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 40 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 41 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 42 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 43 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 44 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 45 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 46 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 47 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 48 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 49 AppKit 0x000000018a1ffcf4 __56-[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:]_block_invoke + 908 50 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 51 AppKit 0x000000018a1ff95c -[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:] + 100 52 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108 53 AppKit 0x00000001895bbcb0 -[NSView layoutSubtreeIfNeeded] + 96 54 AppKit 0x000000018a58935c -[NSWindow(NSConstraintBasedLayoutInternal) _layoutViewTree] + 120 55 AppKit 0x000000018a589574 -[NSWindow(NSConstraintBasedLayoutInternal) layoutIfNeeded] + 240 56 AppKit 0x00000001895ea714 __NSWindowGetDisplayCycleObserverForLayout_block_invoke + 364 57 AppKit 0x00000001895ea06c NSDisplayCycleObserverInvoke + 168 58 AppKit 0x00000001895e9ce8 NSDisplayCycleFlush + 656 59 QuartzCore 0x000000018edc3bd0 _ZN2CA11Transaction19run_commit_handlersE18CATransactionPhase + 120 60 QuartzCore 0x000000018edc2254 _ZN2CA11Transaction6commitEv + 316 61 QuartzCore 0x000000018efa5534 _ZN2CA11Transaction25flush_as_runloop_observerEb + 140 62 AppKit 0x0000000189cd5cc0 stepTransactionFlush + 220 63 UpdateCycle 0x0000000270bd92fc _ZN2UC10DriverCore18continueProcessingEv + 84 64 CoreFoundation 0x00000001851c96e4 __CFMachPortPerform + 288 65 CoreFoundation 0x00000001851ac054 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 60 66 CoreFoundation 0x00000001851abf7c __CFRunLoopDoSource1 + 508 67 CoreFoundation 0x00000001851aa9ac __CFRunLoopRun + 2168 68 CoreFoundation 0x0000000185268898 _CFRunLoopRunSpecificWithOptions + 532 69 HIToolbox 0x0000000191ba7730 RunCurrentEventLoopInMode + 316 70 HIToolbox 0x0000000191baa9d0 ReceiveNextEventCommon + 488 71 HIToolbox 0x0000000191d341f4 _BlockUntilNextEventMatchingListInMode + 48 72 AppKit 0x0000000189a8225c _DPSBlockUntilNextEventMatchingListInMode + 236 73 AppKit 0x0000000189598edc _DPSNextEvent + 588 74 AppKit 0x0000000189feb958 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688 75 AppKit 0x0000000189feb664 -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 72 76 AppKit 0x0000000189591720 -[NSApplication run] + 368 77 BetterDisplay 0x00000001045d29f8 BetterDisplay + 10744 78 dyld 0x0000000184d4dd54 start + 7184 Thread 0 Crashed: 0 AppKit 0x189aedba0 +[NSApplication _crashOnException:] + 256 1 AppKit 0x189872e0c 0x189579000 + 3120652 2 AppKit 0x189873008 0x189579000 + 3121160 3 AppKit 0x18a20fba0 ___NSViewLayout_block_invoke + 624 4 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 5 AppKit 0x1895bc0d4 _NSViewLayout + 96 6 AppKit 0x18a1feff0 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 372 7 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 8 AppKit 0x18a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 9 AppKit 0x18a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 10 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 11 AppKit 0x18a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 12 AppKit 0x18a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 13 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 14 AppKit 0x18a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 15 AppKit 0x18a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684 16 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 17 AppKit 0x18a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100 18 AppKit 0x18a1ffcf4 __56-[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:]_block_invoke + 908 19 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 20 AppKit 0x18a1ff95c -[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:] + 100 21 AppKit 0x1895ba9b0 NSPerformVisuallyAtomicChange + 108 22 AppKit 0x1895bbcb0 -[NSView layoutSubtreeIfNeeded] + 96 23 AppKit 0x18a58935c -[NSWindow(NSConstraintBasedLayoutInternal) _layoutViewTree] + 120 24 AppKit 0x18a589574 -[NSWindow(NSConstraintBasedLayoutInternal) layoutIfNeeded] + 240 25 AppKit 0x1895ea714 __NSWindowGetDisplayCycleObserverForLayout_block_invoke + 364 26 AppKit 0x1895ea06c NSDisplayCycleObserverInvoke + 168 27 AppKit 0x1895e9ce8 NSDisplayCycleFlush + 656 28 QuartzCore 0x18edc3bd0 CA::Transaction::run_commit_handlers(CATransactionPhase) + 120 29 QuartzCore 0x18edc2254 CA::Transaction::commit() + 316 30 QuartzCore 0x18efa5534 CA::Transaction::flush_as_runloop_observer(bool) + 140 31 AppKit 0x189cd5cc0 stepTransactionFlush + 220 32 UpdateCycle 0x270bd92fc UC::DriverCore::continueProcessing() + 84 33 CoreFoundation 0x1851c96e4 __CFMachPortPerform + 288 34 CoreFoundation 0x1851ac054 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 60 35 CoreFoundation 0x1851abf7c __CFRunLoopDoSource1 + 508 36 CoreFoundation 0x1851aa9ac __CFRunLoopRun + 2168 37 CoreFoundation 0x185268898 _CFRunLoopRunSpecificWithOptions + 532 38 HIToolbox 0x191ba7730 RunCurrentEventLoopInMode + 316 39 HIToolbox 0x191baa9d0 ReceiveNextEventCommon + 488 40 HIToolbox 0x191d341f4 _BlockUntilNextEventMatchingListInMode + 48 41 AppKit 0x189a8225c _DPSBlockUntilNextEventMatchingListInMode + 236 42 AppKit 0x189598edc _DPSNextEvent + 588 43 AppKit 0x189feb958 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688 44 AppKit 0x189feb664 -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 72 45 AppKit 0x189591720 -[NSApplication run] + 368 46 BetterDisplay 0x1045d29f8 0x1045d0000 + 10744 47 dyld 0x184d4dd54 start + 7184 Thread 1:: com.apple.NSEventThread 0 libsystem_kernel.dylib 0x1850c9c34 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1850dc028 mach_msg2_internal + 76 2 libsystem_kernel.dylib 0x1850d298c mach_msg_overwrite + 484 3 libsystem_kernel.dylib 0x1850c9fb4 mach_msg + 24 4 CoreFoundation 0x1851abc80 __CFRunLoopServiceMachPort + 160 5 CoreFoundation 0x1851aa5d8 __CFRunLoopRun + 1188 6 CoreFoundation 0x185268898 _CFRunLoopRunSpecificWithOptions + 532 7 AppKit 0x189628a68 _NSEventThread + 184 8 libsystem_pthread.dylib 0x18510cc08 _pthread_start + 136 9 libsystem_pthread.dylib 0x185107ba8 thread_start + 8 Thread 2:: caulk.messenger.shared:17 0 libsystem_kernel.dylib 0x1850c9bb0 semaphore_wait_trap + 8 1 caulk 0x19163fe08 caulk::semaphore::timed_wait(double) + 224 2 caulk 0x19163fcb0 caulk::concurrent::details::worker_thread::run() + 32 3 caulk 0x19163f950 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 96 4 libsystem_pthread.dylib 0x18510cc08 _pthread_start + 136 5 libsystem_pthread.dylib 0x185107ba8 thread_start + 8 Thread 3:: caulk.messenger.shared:high 0 libsystem_kernel.dylib 0x1850c9bb0 semaphore_wait_trap + 8 1 caulk 0x19163fe08 caulk::semaphore::timed_wait(double) + 224 2 caulk 0x19163fcb0 caulk::concurrent::details::worker_thread::run() + 32 3 caulk 0x19163f950 void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*>>>(void*) + 96 4 libsystem_pthread.dylib 0x18510cc08 _pthread_start + 136 5 libsystem_pthread.dylib 0x185107ba8 thread_start + 8 Thread 4: Thread 5: Thread 6: Thread 7: 0 libsystem_kernel.dylib 0x1850cbae4 __ulock_wait + 8 1 libdispatch.dylib 0x184f52cec _dlock_wait + 56 2 libdispatch.dylib 0x184f52b0c _dispatch_thread_event_wait_slow + 56 3 libdispatch.dylib 0x184f60c20 __DISPATCH_WAIT_FOR_QUEUE__ + 368 4 libdispatch.dylib 0x184f607d8 _dispatch_sync_f_slow + 148 5 libsystem_trace.dylib 0x184e411a8 ___os_state_request_for_self_block_invoke + 372 6 libdispatch.dylib 0x184f50b5c _dispatch_call_block_and_release + 32 7 libdispatch.dylib 0x184f6aac4 _dispatch_client_callout + 16 8 libdispatch.dylib 0x184f594e8 _dispatch_lane_serial_drain + 740 9 libdispatch.dylib 0x184f59ff8 _dispatch_lane_invoke + 440 10 libdispatch.dylib 0x184f64474 _dispatch_root_queue_drain_deferred_wlh + 292 11 libdispatch.dylib 0x184f63d6c _dispatch_workloop_worker_thread + 692 12 libsystem_pthread.dylib 0x185108e4c _pthread_wqthread + 292 13 libsystem_pthread.dylib 0x185107b9c start_wqthread + 8 Thread 8:: CVDisplayLink 0 libsystem_kernel.dylib 0x1850cd4f8 __psynch_cvwait + 8 1 libsystem_pthread.dylib 0x18510d108 _pthread_cond_wait + 1028 2 CoreVideo 0x18f684b3c CVDisplayLink::waitUntil(unsigned long long) + 336 3 CoreVideo 0x18f683c24 CVDisplayLink::runIOThread() + 500 4 libsystem_pthread.dylib 0x18510cc08 _pthread_start + 136 5 libsystem_pthread.dylib 0x185107ba8 thread_start + 8 Thread 9:: HIE: M_ 5bca67f0723bdd0f 2025-10-28 18:45:02.160 0 libsystem_kernel.dylib 0x1850c9c34 mach_msg2_trap + 8 1 libsystem_kernel.dylib 0x1850dc028 mach_msg2_internal + 76 2 libsystem_kernel.dylib 0x1850f97bc thread_suspend + 108 3 HIServices 0x18c75744c SOME_OTHER_THREAD_SWALLOWED_AT_LEAST_ONE_EXCEPTION + 20 4 Foundation 0x1869b8750 __NSThread__start__ + 732 5 libsystem_pthread.dylib 0x18510cc08 _pthread_start + 136 6 libsystem_pthread.dylib 0x185107ba8 thread_start + 8 Thread 0 crashed with ARM Thread State (64-bit): x0: 0x0000000866a08000 x1: 0x00000008660138b2 x2: 0xfffffffffffffff1 x3: 0x0000000866a0a091 x4: 0xffffffffff609801 x5: 0x0000000000000020 x6: 0x0000000866a08000 x7: 0x00000000000020d1 x8: 0x00000001f1b15000 x9: 0x75cca564a60700e5 x10: 0x75cca564a60700e5 x11: 0x000000000000007f x12: 0x0000000000000052 x13: 0x000000086307fd00 x14: 0x01000001f1ada739 x15: 0x00000001f1ada738 x16: 0x0000000185116360 x17: 0x00000001f30ecd80 x18: 0x0000000000000000 x19: 0x000000086211aa90 x20: 0x000000086680cd80 x21: 0x000000016b82bc40 x22: 0x0000000000000000 x23: 0x000000016b82bc50 x24: 0x00000008653fa1c0 x25: 0x0000000868527520 x26: 0x0000000867c9bb40 x27: 0x000000086211aa90 x28: 0x000000029f954358 fp: 0x000000016b82bbe0 lr: 0x0000000189aedb98 sp: 0x000000016b82bba0 pc: 0x0000000189aedba0 cpsr: 0x60000000 far: 0x0000000000000000 esr: 0xf2000001 (Breakpoint) brk 1 Binary Images: 0x1045d0000 - 0x10515bfff pro.betterdisplay.BetterDisplay (4.0.4) <fee5a3f2-b33e-3fc1-ba3f-11345f842fcc> /Applications/BetterDisplay.app/Contents/MacOS/BetterDisplay 0x1054fc000 - 0x10554ffff com.paddle.Paddle (4.4.3) <84546c84-ae4f-3aaf-9677-8ec2a3d9f072> /Applications/BetterDisplay.app/Contents/Frameworks/Paddle.framework/Versions/A/Paddle 0x105414000 - 0x105457fff org.sparkle-project.Sparkle (2.6.4) <0e273e3e-459c-3fa6-9a86-4754c5cc30ff> /Applications/BetterDisplay.app/Contents/Frameworks/Sparkle.framework/Versions/B/Sparkle 0x1057b8000 - 0x1057c3fff libobjc-trampolines.dylib (*) <580e4b29-8304-342d-a21c-2a869364dc35> /usr/lib/libobjc-trampolines.dylib 0x1198f0000 - 0x11a113fff com.apple.AGXMetalG16X (340.26.3) <d52e0d2b-7794-3255-804f-fb08045cb0e2> /System/Library/Extensions/AGXMetalG16X.bundle/Contents/MacOS/AGXMetalG16X 0x118f58000 - 0x118f77fff com.apple.security.csparser (3.0) <aebf2637-f540-309f-8700-1ff440806a85> /System/Library/Frameworks/Security.framework/Versions/A/PlugIns/csparser.bundle/Contents/MacOS/csparser 0x189579000 - 0x18ac74cdf com.apple.AppKit (6.9) <9aef8974-703a-3941-9b3d-de8c5ccb61d0> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit 0x18edc0000 - 0x18f1c827f com.apple.QuartzCore (1193.18.35) <1abb61d7-d221-33b6-9de1-2392c54a5112> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore 0x270bd8000 - 0x270bda1ff com.apple.UpdateCycle (1) <b4b6001d-afc4-3e02-a556-f7f7b43946e5> /System/Library/PrivateFrameworks/UpdateCycle.framework/Versions/A/UpdateCycle 0x18514c000 - 0x185698f7f com.apple.CoreFoundation (6.9) <edb39786-80b1-3bff-b6c3-e33f2e3ca867> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation 0x191ae6000 - 0x191de86ff com.apple.HIToolbox (2.1.1) <f369023f-1a24-3f3f-9056-6f5248071e8c> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox 0x184d45000 - 0x184de3f73 dyld (*) <abfd3247-50ac-3c8e-b72a-83710166e982> /usr/lib/dyld 0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ??? 0x185113000 - 0x18511b3bf libsystem_platform.dylib (*) <36396b66-54eb-30fa-8e3b-e71ae63da30c> /usr/lib/system/libsystem_platform.dylib 0x1850c9000 - 0x18510545f libsystem_kernel.dylib (*) <2eb73bf1-8c71-3e1f-a160-6da83dc82606> /usr/lib/system/libsystem_kernel.dylib 0x185106000 - 0x185112abb libsystem_pthread.dylib (*) <5d31d65c-2ecf-36da-84f5-ba4caab06adb> /usr/lib/system/libsystem_pthread.dylib 0x19163e000 - 0x191666d7f com.apple.audio.caulk (1.0) <c0b3abcb-2cd0-3204-901d-faed84255f1f> /System/Library/PrivateFrameworks/caulk.framework/Versions/A/caulk 0x184f4f000 - 0x184f95e9f libdispatch.dylib (*) <17d849c6-a785-3dbb-bfb5-8321706c4b8d> /usr/lib/system/libdispatch.dylib 0x184e35000 - 0x184e557df libsystem_trace.dylib (*) <28139651-ffe2-3795-95ac-1c7cb27a3a9b> /usr/lib/system/libsystem_trace.dylib 0x18c721000 - 0x18c78d1ff com.apple.HIServices (1.22) <fd66e806-cfa4-3e6f-81bd-eefb21be31fe> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices 0x18f681000 - 0x18f70489f com.apple.CoreVideo (1.8) <26c73dc4-d151-31b2-a880-f36f67387dc4> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo 0x186992000 - 0x18791e31f com.apple.Foundation (6.9) <f61e71c3-480f-3691-b656-e1281f60a3e3> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation External Modification Summary: Calls made by other processes targeting this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by all processes on this machine: task_for_pid: 0 thread_create: 0 thread_set_state: 0 VM Region Summary: ReadOnly portion of Libraries: Total=1.8G resident=0K(0%) swapped_out_or_unallocated=1.8G(100%) Writable regions: Total=225.8M written=673K(0%) resident=673K(0%) swapped_out=0K(0%) unallocated=225.2M(100%) VIRTUAL REGION REGION TYPE SIZE COUNT (non-coalesced) =========== ======= ======= Accelerate framework 384K 3 Activity Tracing 256K 1 AttributeGraph Data 1024K 1 ColorSync 640K 30 CoreAnimation 288K 17 CoreGraphics 128K 8 CoreImage 16K 1 CoreUI image data 208K 3 Foundation 16K 1 Kernel Alloc Once 32K 1 MALLOC 206.1M 50 MALLOC guard page 3424K 4 SQLite page cache 128K 1 STACK GUARD 56.2M 10 Stack 12.8M 10 VM_ALLOCATE 3344K 11 __AUTH 5695K 644 __AUTH_CONST 87.2M 1029 __CTF 824 1 __DATA 30.4M 982 __DATA_CONST 32.8M 1040 __DATA_DIRTY 8779K 886 __FONT_DATA 2352 1 __INFO_FILTER 8 1 __LINKEDIT 596.8M 7 __OBJC_RO 78.1M 1 __OBJC_RW 2561K 1 __TEXT 1.2G 1065 __TPRO_CONST 128K 2 mapped file 318.0M 48 page table in kernel 673K 1 shared memory 2448K 16 =========== ======= ======= TOTAL 2.6G 5877

----------- Full Report ----------- {"app_name":"BetterDisplay","timestamp":"2025-10-28 18:45:03.00 -0400","app_version":"4.0.4","slice_uuid":"fee5a3f2-b33e-3fc1-ba3f-11345f842fcc","build_version":"45613","platform":1,"bundleID":"pro.betterdisplay.BetterDisplay","share_with_app_devs":0,"is_first_party":0,"bug_type":"309","os_version":"macOS 26.0.1 (25A362)","roots_installed":0,"name":"BetterDisplay","incident_id":"22B7B905-B567-4114-A6B7-160E3F0F6D08"} { "uptime" : 260000, "procRole" : "Foreground", "version" : 2, "userID" : 501, "deployVersion" : 210, "modelCode" : "Mac16,11", "coalitionID" : 1045, "osVersion" : { "train" : "macOS 26.0.1", "build" : "25A362", "releaseType" : "User" }, "captureTime" : "2025-10-28 18:45:02.1893 -0400", "codeSigningMonitor" : 2, "incident" : "22B7B905-B567-4114-A6B7-160E3F0F6D08", "pid" : 5130, "translated" : false, "cpuType" : "ARM-64", "roots_installed" : 0, "bug_type" : "309", "procLaunch" : "2025-10-28 17:33:58.2096 -0400", "procStartAbsTime" : 6345829136319, "procExitAbsTime" : 6448161169850, "procName" : "BetterDisplay", "procPath" : "\/Applications\/BetterDisplay.app\/Contents\/MacOS\/BetterDisplay", "bundleInfo" : {"CFBundleShortVersionString":"4.0.4","CFBundleVersion":"45613","CFBundleIdentifier":"pro.betterdisplay.BetterDisplay"}, "storeInfo" : {"deviceIdentifierForVendor":"B70356A3-DEFF-5880-8050-E8804EFA4BCF","thirdParty":true}, "parentProc" : "launchd", "parentPid" : 1, "coalitionName" : "pro.betterdisplay.BetterDisplay", "crashReporterKey" : "99BB91AB-6A47-8374-F4E8-34FF19C4A01B", "developerMode" : 1, "codeSigningID" : "pro.betterdisplay.BetterDisplay", "codeSigningTeamID" : "299YSU96J7", "codeSigningFlags" : 570503953, "codeSigningValidationCategory" : 6, "codeSigningTrustLevel" : 4294967295, "codeSigningAuxiliaryInfo" : 0, "instructionByteStream" : {"beforePC":"AEArkU1O7ZfgAxOq\/wBElKLSNNBCwCmRZBdElJMFQpRIATSQAB0D+Q==","atPC":"IAAg1PMDAKrhAQA04AMTqqrPLZT\/AwD5AACA0j1O7ZfGzy2UIAAg1A=="}, "bootSessionUUID" : "E6DEBBE8-6E54-42D2-982A-C3F45E8D93B0", "sip" : "enabled", "exception" : {"codes":"0x0000000000000001, 0x0000000189aedba0","rawCodes":[1,6604905376],"type":"EXC_BREAKPOINT","signal":"SIGTRAP"}, "termination" : {"flags":0,"code":5,"namespace":"SIGNAL","indicator":"Trace\/BPT trap: 5","byProc":"exc handler","byPid":5130}, "os_fault" : {"process":"BetterDisplay"}, "asiBacktraces" : ["0 CoreFoundation 0x00000001851fc770 __exceptionPreprocess + 176\n1 libobjc.A.dylib 0x0000000184cda418 objc_exception_throw + 88\n2 CoreFoundation 0x00000001852cb7fc -[NSException initWithCoder:] + 0\n3 AppKit 0x000000018a0f0564 -[NSWindow(NSDisplayCycle) _postWindowNeedsUpdateConstraints] + 1716\n4 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n5 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n6 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n7 AppKit 0x000000018a64cc8c -[_NSConstraintBasedLayoutHostingView _informContainerThatSubviewsNeedUpdateConstraints] + 52\n8 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n9 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n10 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n11 AppKit 0x000000018a1fed38 -[NSView setNeedsUpdateConstraints:] + 468\n12 SwiftUI 0x00000001b904ac68 $s7SwiftUI13NSHostingViewC14setNeedsUpdateyyF + 184\n13 SwiftUI 0x00000001b905e874 $s7SwiftUI13NSHostingViewC13requestUpdate5afterySd_tF + 700\n14 SwiftUICore 0x000000022fc48a7c $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtFyyXEfU_ + 228\n15 SwiftUICore 0x000000022fc47ca8 $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtF + 192\n16 SwiftUI 0x00000001b904bec8 $s7SwiftUI13NSHostingViewC30invalidateSafeAreaCornerInsets33_32B6F54841135BB466A5C1362EB89D05LLyyF + 524\n17 SwiftUI 0x00000001b905f904 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tF + 328\n18 SwiftUI 0x00000001b905fa04 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tFTo + 68\n19 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28\n20 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148\n21 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224\n22 AppKit 0x000000018a5048dc __reusableDependencyContextForKey_block_invoke + 140\n23 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28\n24 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148\n25 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224\n26 AppKit 0x000000018a1f589c -[NSView setFrameSize:] + 720\n27 AppKit 0x000000018a1f5ec8 -[NSView setFrame:] + 300\n28 SwiftUI 0x00000001b92ae320 $s7SwiftUI22AppKitPlatformViewHostC012updateHostedF6BoundsyyF + 132\n29 SwiftUI 0x00000001b92b0584 $s7SwiftUI22AppKitPlatformViewHostC6layoutyyFTo + 28\n30 AppKit 0x0000000189913500 block_destroy_helper + 428\n31 AppKit 0x00000001899bc604 block_destroy_helper.133 + 56\n32 AppKit 0x00000001898729f8 block_destroy_helper + 6012\n33 AppKit 0x0000000189873008 block_destroy_helper + 7564\n34 AppKit 0x000000018a20fba0 ___NSViewLayout_block_invoke + 624\n35 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n36 AppKit 0x00000001895bc0d4 _NSViewLayout + 96\n37 AppKit 0x000000018a1feff0 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 372\n38 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n39 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n40 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684\n41 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n42 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n43 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684\n44 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n45 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n46 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684\n47 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n48 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n49 AppKit 0x000000018a1ffcf4 __56-[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:]_block_invoke + 908\n50 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n51 AppKit 0x000000018a1ff95c -[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:] + 100\n52 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n53 AppKit 0x00000001895bbcb0 -[NSView layoutSubtreeIfNeeded] + 96\n54 AppKit 0x000000018a58935c -[NSWindow(NSConstraintBasedLayoutInternal) _layoutViewTree] + 120\n55 AppKit 0x000000018a589574 -[NSWindow(NSConstraintBasedLayoutInternal) layoutIfNeeded] + 240\n56 AppKit 0x00000001895ea714 __NSWindowGetDisplayCycleObserverForLayout_block_invoke + 364\n57 AppKit 0x00000001895ea06c NSDisplayCycleObserverInvoke + 168\n58 AppKit 0x00000001895e9ce8 NSDisplayCycleFlush + 656\n59 QuartzCore 0x000000018edc3bd0 _ZN2CA11Transaction19run_commit_handlersE18CATransactionPhase + 120\n60 QuartzCore 0x000000018edc2254 _ZN2CA11Transaction6commitEv + 316\n61 QuartzCore 0x000000018efa5534 _ZN2CA11Transaction25flush_as_runloop_observerEb + 140\n62 AppKit 0x0000000189cd5cc0 stepTransactionFlush + 220\n63 UpdateCycle 0x0000000270bd92fc _ZN2UC10DriverCore18continueProcessingEv + 84\n64 CoreFoundation 0x00000001851c96e4 __CFMachPortPerform + 288\n65 CoreFoundation 0x00000001851ac054 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 60\n66 CoreFoundation 0x00000001851abf7c __CFRunLoopDoSource1 + 508\n67 CoreFoundation 0x00000001851aa9ac __CFRunLoopRun + 2168\n68 CoreFoundation 0x0000000185268898 _CFRunLoopRunSpecificWithOptions + 532\n69 HIToolbox 0x0000000191ba7730 RunCurrentEventLoopInMode + 316\n70 HIToolbox 0x0000000191baa9d0 ReceiveNextEventCommon + 488\n71 HIToolbox 0x0000000191d341f4 _BlockUntilNextEventMatchingListInMode + 48\n72 AppKit 0x0000000189a8225c _DPSBlockUntilNextEventMatchingListInMode + 236\n73 AppKit 0x0000000189598edc _DPSNextEvent + 588\n74 AppKit 0x0000000189feb958 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688\n75 AppKit 0x0000000189feb664 -[NSApplication(NSEventRouting) nextEventMatchingMask:untilDate:inMode:dequeue:] + 72\n76 AppKit 0x0000000189591720 -[NSApplication run] + 368\n77 BetterDisplay 0x00000001045d29f8 BetterDisplay + 10744\n78 dyld 0x0000000184d4dd54 start + 7184","0 CoreFoundation 0x00000001851fc770 __exceptionPreprocess + 176\n1 libobjc.A.dylib 0x0000000184cda418 objc_exception_throw + 88\n2 CoreFoundation 0x00000001852cb7fc -[NSException initWithCoder:] + 0\n3 AppKit 0x000000018a0f0564 -[NSWindow(NSDisplayCycle) _postWindowNeedsUpdateConstraints] + 1716\n4 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n5 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n6 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n7 AppKit 0x000000018a64cc8c -[_NSConstraintBasedLayoutHostingView _informContainerThatSubviewsNeedUpdateConstraints] + 52\n8 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n9 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n10 AppKit 0x00000001895a6008 -[NSView _informContainerThatSubviewsNeedUpdateConstraints] + 64\n11 AppKit 0x000000018a1fed38 -[NSView setNeedsUpdateConstraints:] + 468\n12 SwiftUI 0x00000001b904ac68 $s7SwiftUI13NSHostingViewC14setNeedsUpdateyyF + 184\n13 SwiftUI 0x00000001b905e874 $s7SwiftUI13NSHostingViewC13requestUpdate5afterySd_tF + 700\n14 SwiftUICore 0x000000022fc48a7c $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtFyyXEfU_ + 228\n15 SwiftUICore 0x000000022fc47ca8 $s7SwiftUI25ViewGraphRootValueUpdaterPAAE20invalidateProperties_14mayDeferUpdateyAA0cdE6ValuesV_SbtF + 192\n16 SwiftUI 0x00000001b904bec8 $s7SwiftUI13NSHostingViewC30invalidateSafeAreaCornerInsets33_32B6F54841135BB466A5C1362EB89D05LLyyF + 524\n17 SwiftUI 0x00000001b905f904 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tF + 328\n18 SwiftUI 0x00000001b905fa04 $s7SwiftUI13NSHostingViewC14didChangeValue6forKeyySS_tFTo + 68\n19 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28\n20 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148\n21 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224\n22 AppKit 0x000000018a5048dc __reusableDependencyContextForKey_block_invoke + 140\n23 CoreFoundation 0x00000001851837b4 __CFSetApplyFunction_block_invoke + 28\n24 CoreFoundation 0x00000001851835e0 CFBasicHashApply + 148\n25 CoreFoundation 0x000000018518351c CFSetApplyFunction + 224\n26 AppKit 0x000000018a1f589c -[NSView setFrameSize:] + 720\n27 AppKit 0x000000018a1f5ec8 -[NSView setFrame:] + 300\n28 SwiftUI 0x00000001b92ae320 $s7SwiftUI22AppKitPlatformViewHostC012updateHostedF6BoundsyyF + 132\n29 SwiftUI 0x00000001b92b0584 $s7SwiftUI22AppKitPlatformViewHostC6layoutyyFTo + 28\n30 AppKit 0x0000000189913500 block_destroy_helper + 428\n31 AppKit 0x00000001899bc604 block_destroy_helper.133 + 56\n32 AppKit 0x00000001898729f8 block_destroy_helper + 6012\n33 AppKit 0x0000000189873008 block_destroy_helper + 7564\n34 AppKit 0x000000018a20fba0 ___NSViewLayout_block_invoke + 624\n35 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n36 AppKit 0x00000001895bc0d4 _NSViewLayout + 96\n37 AppKit 0x000000018a1feff0 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 372\n38 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n39 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n40 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684\n41 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n42 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n43 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684\n44 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n45 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n46 AppKit 0x000000018a1ff128 __36-[NSView _layoutSubtreeWithOldSize:]_block_invoke + 684\n47 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n48 AppKit 0x000000018a1fee70 -[NSView _layoutSubtreeWithOldSize:] + 100\n49 AppKit 0x000000018a1ffcf4 __56-[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:]_block_invoke + 908\n50 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n51 AppKit 0x000000018a1ff95c -[NSView _layoutSubtreeIfNeededAndAllowTemporaryEngine:] + 100\n52 AppKit 0x00000001895ba9b0 NSPerformVisuallyAtomicChange + 108\n53 AppKit 0x00000001895bbcb0 -[NSView layoutSubtreeIfNeeded] + 96\n54 AppKit 0x000000018a58935c -[NSWindow(NSConstraintBasedLayoutInternal) _layoutViewTree] + 120\n55 AppKit 0x000000018a589574 -[NSWindow(NSConstraintBasedLayoutInternal) layoutIfNeeded] + 240\n56 AppKit 0x00000001895ea714 __NSWindowGetDisplayCycleObserverForLayout_block_invoke + 364\n57 AppKit 0x00000001895ea06c NSDisplayCycleObserverInvoke + 168\n58 AppKit 0x00000001895e9ce8 NSDisplayCycleFlush + 656\n59 QuartzCore 0x000000018edc3bd0 _ZN2CA11Transaction19run_commit_handlersE18CATransactionPhase + 120\n60 QuartzCore 0x000000018edc2254 _ZN2CA11Transaction6commitEv + 316\n61 QuartzCore 0x000000018efa5534 _ZN2CA11Transaction25flush_as_runloop_observerEb + 140\n62 AppKit 0x0000000189cd5cc0 stepTransactionFlush + 220\n63 UpdateCycle 0x0000000270bd92fc _ZN2UC10DriverCore18continueProcessingEv + 84\n64 CoreFoundation 0x00000001851c96e4 __CFMachPortPerform + 288\n65 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[waydabber]

Yes, can you attach the crash log as a file so I can check where the crash originates? Thank you!

[bobbd2000]

Like this? 

…

On Oct 29, 2025, at 11:34 AM, waydabber ***@***.***> wrote: Yes, can you attach the crash log as a file so I can check where the crash originates? Thank you! — Reply to this email directly, view it on GitHub <#4782 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ASP6A3BAR4PAYRFER2QVJOD32DNCDAVCNFSM6AAAAACKPWEAWSVHI2DSMVQWIX3LMV43URDJONRXK43TNFXW4Q3PNVWWK3TUHMYTIOBRG42DQNY>. You are receiving this because you authored the thread.

[waydabber]

Hmm. I don't see anything attached. :) You should attach it on the GitHub site in the comment section.

[bobbd2000]

The original file was an ips file but that extension is not supported so I added a .txt on the end.

BetterDisplay-2025-10-29-102515.ips.txt

[waydabber]

Thank you!

[waydabber]

I checked the crash log. The bad news is that the crash does not actually originates from any specific BetterDisplay code (can't tie it to anything) but seems to be a general issue with AppKit or possible API fragility in scenarios when the display is removed or display geometry changes in unexpected ways. This might be why other apps (like Synergy) also crashes. This really should not happen as even if there is no display, macOS conjures a virtual one for thin air so apps keep running - not sure how this could happen. I am sure Apple will improve Tahoe, let's hope such issues will be ironed out.

[bobbd2000]

Thank you for checking it out. I appreciate that even though the solution seems to be to wait for Apple. Wouldn’t be the first time. Regards Bob

…

On Oct 30, 2025, at 3:28 PM, waydabber ***@***.***> wrote: I checked the crash log. The bad news is that the crash does not actually originates from any specific BetterDisplay code (can't tie it to anything) but seems to be a general issue with AppKit or possible API fragility in scenarios when the display is removed or display geometry changes in unexpected ways. This might be why other apps (like Synergy) also crashes. This really should not happen as even if there is no display, macOS conjures a virtual one for thin air so apps keep running - not sure how this could happen. I am sure Apple will improve Tahoe, let's hope such issues will be ironed out. — Reply to this email directly, view it on GitHub <#4782 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ASP6A3CZ24HMDXKK2QERNQL32JRE5AVCNFSM6AAAAACKPWEAWSVHI2DSMVQWIX3LMV43URDJONRXK43TNFXW4Q3PNVWWK3TUHMYTIOBTGA2TSNA>. You are receiving this because you authored the thread.