It seems only the first frame is rendered correctly in main view with scene camera with most presentations (tried with CoffeeMaker, HomeAutomation, SampleProject) and others only render the small area shown in the screenshot, or just clear background.
Some more recent presentations render correctly.
|For Gerrit Dashboard: QT3DS-4103|
|299236,2||Fix studio viewport rendering when scene camera is visible||2.7||qt3dstudio/ogl-runtime||Status: MERGED||+2||0|
|299237,3||Fix scene view rendering when scene camera is visible||2.7||qt3dstudio/qt3dstudio||Status: MERGED||+2||0|