Nobody uses Weston, Weston is like the reference thing, each DE is implementing their own compositor. Some DE like Mate hope they can use Mir and so get an easy

Nobody uses Weston, Weston is like the reference thing, each DE is implementing their own compositor. Some DE like Mate hope they can use Mir and so get an easy way to add Wayland support. Ubuntu uses Gnome now so they use Mutter for wayland, Mir would be use for IoT and other non desktop platforms nd there is the possibility that others DE would use it.