macOS Sierra: QuickTime: Crash when recording video

Originator:manuel
Number:rdar://26912606 Date Originated:2016-06-21
Status:Duplicate/26922758 (Closed) Resolved:
Product:macOS Product Version:10.12 Beta (16A201w)
Classification:Crash/Hang/Data Loss Reproducible:I didn't Try
 
Exception Name: NSInternalInconsistencyException
Description: An instance 0x60000017f680 of class MGDeviceRecordingDocumentViewController was deallocated while key value observers were still registered with it. Current observation info: <NSKeyValueObservationInfo 0x60800082dec0> (
<NSKeyValueObservance 0x600000e54b50: Observer: 0x600000e505f0, Key path: captureView.videoDevice, Options: <New: NO, Old: NO, Prior: YES> Context: 0x600000492020, Property: 0x6100000913a0>
<NSKeyValueObservance 0x600000e54c10: Observer: 0x600000e505f0, Key path: captureView.selectedCompressionOptionsIdentifier, Options: <New: NO, Old: NO, Prior: YES> Context: 0x60000028a190, Property: 0x610000291990>
<NSKeyValueObservance 0x600000e54cd0: Observer: 0x600000e505f0, Key path: captureView.audioDevice, Options: <New: NO, Old: NO, Prior: YES> Context: 0x6000004909f0, Property: 0x610000095d10>
)
User Info: (null)

0   CoreFoundation                      0x00007fffbc9d35db __exceptionPreprocess + 171
1   libobjc.A.dylib                     0x00007fffd018ea2d objc_exception_throw + 48
2   CoreFoundation                      0x00007fffbca4c10d +[NSException raise:format:] + 205
3   Foundation                          0x00007fffbe372a44 NSKVODeallocate + 293
4   AppKit                              0x00007fffba6d3d9e -[NSViewController release] + 128
5   libobjc.A.dylib                     0x00007fffd0183e47 _ZN12_GLOBAL__N_119AutoreleasePoolPage3popEPv + 511
6   CoreFoundation                      0x00007fffbc908656 _CFAutoreleasePoolPop + 22
7   Foundation                          0x00007fffbe3120c7 -[NSAutoreleasePool drain] + 146
8   AppKit                              0x00007fffba681ace -[NSApplication run] + 1073
9   AppKit                              0x00007fffba64d367 NSApplicationMain + 1237
10  libdyld.dylib                       0x00007fffd0a68285 start + 1

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