Description of problem: on wayland session i can't run and use share screen on hangout also i can't connect to teamviewer this problem only on wayland session when i switch to xorg its run without any problem Version-Release number of selected component (if applicable): gnome-session-wayland-session-3.22.2-1.fc25.x86_64
Hangouts and TeamViewer are closed apps, with no direct support from Fedora AFAIK, but it is interesting to note that Firefox has the same problem. Just go to https://appear.in/, log into a room, and choose to share your screen. Under X, no problem; under Wayland, you only share a black block. The same happens if you go to https://meet.jit.si/, log into a room, and choose to share a window. Those are new screen sharing methods that use plain HTML5 + WebRTC. The underlying problem might be the same, but these are open source & standards-based solutions that prove a Wayland problem here. Probably better to debug & so on.
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