ID 280273 - NukeStudio and Nuke give different results when outputting 10-bit monitor out signals

Problem summary
NukeStudio and Nuke give different results when outputting 10-bit monitor out signals

Customer reported version
nuke.10.5v2

Customer reported platform
n_a_mac

Steps to reproduce

1) Open NukeStudio

2) Import the attached footage, and add it to the timeline

3) Enable monitor out with 10 bit output and the colourspace set to sRGB, you should get a scope which looks like the example below:

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4) Add the footage the node graph, and view it

5) Press S to bring up the Viewer settings and Enable 10 bit monitor out, with use legal ranges enabled, you will get a scope with different results:

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Below shows difference between the results, highlighted in red:

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Reproduced by support
This problem has been reproduced on:
Nuke 10.5v4 - Windows 10 - MacOSX 10.12 - CentOS 6.8
Nuke 10.5v3 - Windows 10 - MacOSX 10.12 - CentOS 6.8

Expected behaviour
For the signals to the monitor out to be the same.

Actual behaviour
They are different.