How stable are Manjaro Budgie, Cinnamon, Mate, Deepin?

Has someone used other graphic backgrounds Manjaro budgie, cinnamon, mate, Deepin?Are they stable?

Are you referring to Desktop Environments ?
Cinnamon and Mate are fine.
Budgie seems to have some minor issues.
Deepin is not quite usable, last time i checked 2 weeks ago.
You can do some tests on a Virtual Machine install.