Hello all,
Two weeks of trying to get some demo in Hololens 2 with OpenXR old mixed reality plugin partially works (camera PV part not working):
The first video is official demo Microsoft OpenXR app: Used microsoft mixed reality tool application to get all preview updates
https://tukesk-my.sharepoint.com/
…oEfEQ?e=HxtRBR
The second video is Unreal demo with OpenXR.
https://tukesk-my.sharepoint.com/…562EA?e=JTqo6b
Not implemented any line of my code official demo used in video.
Please if someone get acceptable result with demos provides in official pages please reply, how? 
BRG