In this article we will describe the improvements that were contributed by. GNOME Shell Performance Improvements in Ubuntu 20.04 The release of Ubuntu 20.04 brings GNOME Shell 3.36 and improved performance in some areas. If I change the settings at login to use fvwm for my session it works fine. Using Intel HD 630, 1-2 4K screens and Xorg. Other notes: I am using lightdm instead of gdm3. But the default of gnome-shell/mutter does not work without the monitor. Gnome Flashback mode (using metacity) works fine and does not have this issue. This all works perfectly fine if a monitor is attached before lightdm (and thus Xorg) is started. There is no menu bar at the top of the desktop and no application bar on the left. There is no monitor attached.Īfter logging into lightdm's greeter, I am presented with a blank desktop with the Focal Fossa (standard Ubuntu) background image and a mouse cursor, but no other visible interface or windows. ![]() ![]() I am using x11vnc to login and view the desktop remotely. On Ubuntu 20.04, I have an AMD system with an integrated GPU (Ryzen 3 3200G with Radeon Vega 8) Because it prefers to only do that on the primary monitor, which there is none." For gnome-shell this just means it won't draw any panel/launcher etc. " Yes indeed the X server has zero monitors attached, but still has a usable desktop area of 1024x768. To remove GNOME Shell from Ubuntu 20.04 LTS for a fresh desktop environment installation, open the terminal, update the package list with sudo apt update, remove GNOME Shell with sudo apt purge gnome-shell, remove additional GNOME packages, and finally, run sudo apt autoremove and sudo apt autoclean. ![]() The Ubuntu desktop team has requested I file this bug here after initially filing it in the Ubuntu tracker:
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