Overview: semitransparent window frames
In the overview window frames sometimes become semitransparent.
- Open overview and focus some window
- Move cursor to virtual desktops menu
- Move it back to the window - frame is semitransparent
- Move cursor to X and back - it's visible again
Fedora 28, GNOME 3.28.2 Screencast_from_07-17-2018_03_38_19_PM