(In reply to Wolfgang Rosenauer from comment #22) > Just submitted a fix to mozilla:Factory. Not sure how long it will take to > build but someone could please cross check if it works as expected then. It just finished (78.0.1-844.1), and I confirmed it works correctly. The gUM Test Page correctly starts up pipewire and the xdg-desktop-portal, etc, and I'm able to see the screen being shared.