Ubuntu MATE, which looks like GNOME 2, has option to enable dock. https://ubuntu-mate.org/features/panel/ https://ubuntu-mate.org/features/panel/ Linux Mint h

Ubuntu MATE, which looks like GNOME 2, has option to enable dock. https://ubuntu-mate.org/features/panel/ https://ubuntu-mate.org/features/panel/ Linux Mint has a MATE flavor, so it too might have it.