Ubuntu’s default desktop has been GNOME, since version 17.10. Ubuntu is released every six months, with long-term support (LTS) releases every two years.

What desktop does Ubuntu 20.04 use?

When you install Ubuntu 20.04 it will come with the default GNOME 3.36 desktop. Gnome 3.36 is full of improvements and results in better performance and a more aesthetically pleasing graphical experience.

What desktop does Ubuntu 18.04 use?

Ubuntu 18.04 comes with a customized GNOME desktop that has features from both GNOME and Unity.