Here are some examples of missing apps:
System section: gnome-control-center and gnome-appearance-properties
Any app with .desktop files installed outside /usr/share/applications (which is normally picked up via XDG_DATA_DIRS)
Here are some examples of missing apps:
System section: gnome-control- center and gnome-appearanc e-properties
Any app with .desktop files installed outside /usr/share/ applications (which is normally picked up via XDG_DATA_DIRS)