How to install Gnome40 on Ubuntu 21.04 (test only)

Want to try the new Gnome 40 desktop? It can be installed on Ubuntu 21.04 Hirsute Hippo via PPA.

Gnome 40 Released over a week ago, it added new features such as a new overview screen design, horizontal workspace switcher, bottom dock, and new gestures.

Ubuntu 21.04 includes Gnome 3.38.x with some Gnome 40 core applications, through which you can get a new desktop environment. Third party PPA..

Warning: GNOME40 is not yet officially supported on Ubuntu 21.04. The PPA package is for testing purposes only. Use at your own risk!

1.) First, press Ctrl + Alt + T on your keyboard to open a terminal. Once open, run the command to add the PPA.

sudo add-apt-repository ppa:shemgp/gnome-40

Enter your user password (without asterisk feedback) when prompted and press Enter to continue.

2.) After adding the PPA, run the command to upgrade the Tweet Window Manager.

sudo apt install mutter

Follow the commands described in PPA to add the package version to your code. However, it only works with the package name.

3.) Next, use the command to install Gnome Shell 40.

sudo apt install gnome-shell

4.) The default Yaru theme has not been updated for Gnome 40, so you need to install and use a Gnome session instead of an Ubuntu session. To install it, run the following command:

sudo apt install gnome-session

5.) Execute the command for the remaining packages.

sudo apt upgrade

Finally, reboot the machine. When the login screen appears, select “Gnome” or “Gnome on Xorg” before logging in. To do this, select the user, click the gear button at the bottom right and select Gnome from the pop-up menu.

How to uninstall Gnome 40:

To remove the new Gnome desktop and revert to the original v3.38.x, run the command and remove Ubuntu PPA.

sudo apt install ppa-purge && sudo ppa-purge ppa:shemgp/gnome-40

Also, if you no longer use the Gnome session from the login screen, delete it with the following command:

sudo apt remove gnome-session

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