Thanks for sharing that @clement , I noticed that behavior as well with Python 3 but forgot to mention it.
Separately, to expand a bit more on the embedded viewport control capabilities I did find a little bit more info digging through some old forum posts.
There is a youtrack for documentation to be published on this particular control here:
https://mcneel.myjetbrains.com/youtrack/issue/RH-65901
And a post detailing some additional ways to be able to set the display mode and top/perspective view orientation of said viewport control:
Unfortunately that seems to be the extend of the capabilities.
The methods of mouse navigation are still different and ideally I would like to be able to set those to match the main Rhino instance. Meaning if Right Mouse rotates/orbits, i would expect the viewport control to also be rotated/orbited with Right Mouse.
Any additional leads are appreciated, thank you all!
EDIT:
@clement and @stevebaer, I did manage to remove the “rogue/duplicate” viewports that get created in Python 3 with the following code: