
It will only show up when a discrete GPU is available (detected through the switcheroo-control D-Bus service), and the application hasn't alreayd been launched. Note that this will not currently work for D-Bus activated applications, eg. the menu item will be available, but the environment variable will not be passed through to D-Bus to use when launching the application. https://bugzilla.gnome.org/show_bug.cgi?id=773117