Linux Mint 20 'Ulyana' is out with better NVIDIA Optimus support, fractional scaling | GamingOnLinux
mate-optimus-applet crashed with FileNotFoundError in _execute_child(): [Errno 2] No such file or directory: 'prime-supported': 'prime-supported' · Issue #8 · ubuntu-mate/mate-optimus · GitHub
New Features in Linux Mint 20 'Ulyana' MATE Edition - Linux Mint
Prime Indicator Plus Makes It Easy To Switch Between Nvidia And Intel Graphics (Nvidia Optimus) ~ Web Upd8: Ubuntu / Linux blog
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Volume control applet - Support & Help Requests - Ubuntu MATE Community