This was a bug in the nvidia driver: https://devtalk.nvidia.com/default/topic/751552/any-opengl-window-shown-on-all-workspaces-occludes-other-applications/ It should be fixed in 340.24.
This was a bug in the nvidia driver: https:/ /devtalk. nvidia. com/default/ topic/751552/ any-opengl- window- shown-on- all-workspaces- occludes- other-applicati ons/
It should be fixed in 340.24.