ID 234616 - Monitor Out floating window frame does not exactly match/sync the viewers frame

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Problem summary
When using the floating window the frame being displayed will not sync exactly with the viewers. This can be a minor effect which is only visible by recording footage and going through frame by frame, or more pronounced and there be a constant one frame difference
 
Customer reported version
nuke.10.0v3
 
Customer reported platform
10.11
 
Steps to reproduce
1. open NukeStudio
2. import footage and add to timeline
3. Add a Burnin soft effect
4. Open monitor out and open floating window
5. play in viewer and record 
6. review recording by moving frame by frame
result: at certain increments the viewer playback would be a frame ahead of the monitor out
See screen recording and go through frame by frame
 
Workaround
Unknown. 
 
Reproduced by support
OSX 10.11.3 NukeStudio 10.0v4, 9.0v8
Engineers machine on 10.0v4 (detailed below)
 
Expected behaviour
floating window and viewer to match exactly
 
Actual behaviour
floating window plays behind the viewer 

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