ID 491574 - NukeStudio's Viewer skips / pauses frames when looping clips while using a monitor out device

Problem summary
NukeStudio's Viewer skips/pauses frames when looping clips while using a monitor out device
This does not happen when using the Floating Window or with monitor out disabled

Customer reported version
13.0::13.0v4 hiero.13.0v4

Customer reported platform
macOS 10.15

Steps to reproduce

1) Download and extract the attached TestFrames.zip

2) Open NukeStudio on a machine with a AJA or BlackMagic Monitor Out device installed

3) Import the test frames, and add it to a sequence/timeline

4) Open the Monitor Out panel and enable monitor out, selecting the Monitor Out device

5) Set the Display Mode to 2K 2048 x 1080 - 24p and the pixel format to 10 bit 4:4:4, but the issue happens with other resolutions too

6) Playback the sequence, letting it loop several times, depending on the machine you will start seeing frames jump / pause when the clip loops, in this example, the clip gets stuck at frame 9. NOTE, it doesn't happen every time:
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Expected behaviour
For the sequence to loop seamlessly

Actual behaviour
The frames skip / pause when the sequence is being looped

Workaround
None.

Reproduced by support
This bug has been reproduced in:
NukeStudio 13.0v5 - Windows 10 - BlackMagic Decklink 4K Extreme - 11.7 Driver
NukeStudio 13.0v5 - Windows 10 - AJA Kona 4 - 15.5.3.5 Driver
NukeStudio 13.0v5 - macOS High Sierra - BlackMagic UltraStudio 4K Mini - 12.1 Driver
NukeStudio 13.0v5 - macOS High Sierra - AJA IO 4K Plus - 15.5.3.8 Driver
NukeStudio 12.0v1 - Windows 10 - AJA Kona 4 - 15.5.3.5 Driver - regression
NukeStudio 12.0v1 - Windows 10 - BlackMagic Decklink 4K Extreme - 11.7 Driver - regression

Unable to reproduce bug in:
NukeStudio 11.3v6 - Windows 10 - AJA Kona 4 - 15.5.3.5 Driver

Earliest version tested
NukeStudio 11.3v6 - This issue doesn't appear in this version and has regressed