ID 561326 - Playback is worse when using Monitor Out on macOS

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Problem summary
Playback is worse when using Monitor Out on macOS
 
This doesn't seem to happen with monitor out disabled
 
Customer reported version
nuke.15.0v2
 
Customer reported platform
mac.13
 
Steps to reproduce
 
1) Download and extract the attached .mov files to a local drive

2) Open Nuke Studio

3) Import the .mov files, and add them to a new UHD sequence
 
4) In Window>Viewer Monitor Out, enable monitor out and in the Properties, make sure a hardware device is being used, like the UltraStudio 4k Mini
 
5) Playback the timeline, periodically the playhead will stutter, and if you have sound setup, the audio should drop
 
*To make the issue worse/more reproducible:
 
6) Download and import the attached testTone30sec.wav, adding it to the timeline
 
7) Cut each clip in half, and delete the first half of each clip, so you have a timeline like:
 
8) Now playback, the audio will drop when there is no video, and when the clips starts paying again.
 
Expected behaviour
For the timeline to playback without issue:

 
Actual behaviour
Playback periodically stutters (look around clip 5 in the below gif):

 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Nuke Studio 15.0v2 - macOS Monterey
Nuke Studio 15.0v1 - macOS Monterey - regression
 
Unable to reproduce bug in:
Nuke Studio 15.0v2 - Windows 10
Nuke Studio 14.0v6 - macOS Monterey
 
Earliest version tested
Nuke Studio 14.0v6 - This issue doesn't appear in this version and has regressed
 

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