Segmentation fault running demo on newer macbook with touchbar
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libobjc.A.dylib 0x00007fff5969df80 protocol_conformsToProtocol_nolock(protocol_t*, protocol_t*) + 76
1 libobjc.A.dylib 0x00007fff5969ddbf class_conformsToProtocol + 277
2 libobjc.A.dylib 0x00007fff5969dc8f -[NSObject conformsToProtocol:] + 43
3 com.apple.AppKit 0x00007fff2b1b1f8d -[NSApplication(NSTouchBarFinder) NS_touchBarProviders] + 404
4 com.apple.AppKit 0x00007fff2b1b31ba _NSTouchBarFinderGatherProvidersForContainer + 64
5 com.apple.AppKit 0x00007fff2b1b2720 _NSTouchBarFinderUpdate + 235
6 com.apple.AppKit 0x00007fff2b1b2613 ___NSTouchBarFinderSetNeedsUpdateOnMain_block_invoke + 48
7 com.apple.CoreFoundation 0x00007fff2d5949cd __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
8 com.apple.CoreFoundation 0x00007fff2d594902 __CFRunLoopDoObservers + 452
9 com.apple.CoreFoundation 0x00007fff2d535d84 CFRunLoopRunSpecific + 523
10 com.apple.HIToolbox 0x00007fff2c7ccab5 RunCurrentEventLoopInMode + 293
11 com.apple.HIToolbox 0x00007fff2c7cc6f4 ReceiveNextEventCommon + 371
12 com.apple.HIToolbox 0x00007fff2c7cc568 _BlockUntilNextEventMatchingListInModeWithFilter + 64
13 com.apple.AppKit 0x00007fff2aa8736f _DPSNextEvent + 997
14 com.apple.AppKit 0x00007fff2aa8610e -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1362
15 com.apple.AppKit 0x00007fff2aa80171 -[NSApplication run] + 699