It looks like mate-system-tools (which is a fork) was abandoned upstream and removed from Ubuntu MATE.
The 18.04 ISO and probably some earlier releases contain the outdated gnome-system-tools once again.
It looks like mate-system-tools (which is a fork) was abandoned upstream and removed from Ubuntu MATE.
The 18.04 ISO and probably some earlier releases contain the outdated gnome-system-tools once again.