This is both using the controller to point and click and using any button I bind to back in browser options. The back button just flat does nothing at all, it seems.
SteamVR, WMR, Odyssey+
Other than this, the player works like a dream, and it's the only one I can say that for! Popped in to figure out how to adjust the stereo offset, and figured I'd thank you by dropping the bug report.