The result was that I didn't get onChange callback if I only closed the extra window This is wrong, I meant that I didn't get the callback if I only closed the main window (which was the only window in MyScene).

[quote='824996022, DTS Engineer, /thread/774365?answerId=824996022#824996022'] Confirming that you're referring to this: Use the Digital Crown and top button Action Open Home View Instruction Press the Digital Crown. [/quote] Correct [quote='824996022, DTS Engineer, /thread/774365?answerId=824996022#824996022'] Also, please send attach a screenshot that shows "... while "Objects in Orbit" immersive space was presented alongside with the main application window." to put this into context. [/quote] Here is the screenshot, red arrow points to what I referred to as the main application window and blue arrow points to immersive space content

For some reason the screenshot didn't get attached correctly in the previous message, the red arrow points to what I referred to as the main application window and the blue one points to immersive space content: