Thanks. It looks like Xorg is the cause of this problem and Wayland (used on the login screen) works better. Please try selecting 'Ubuntu on Wayland' on the login screen (button at the bottom right) before entering your password and tell us if that improves the situation.
Thanks. It looks like Xorg is the cause of this problem and Wayland (used on the login screen) works better. Please try selecting 'Ubuntu on Wayland' on the login screen (button at the bottom right) before entering your password and tell us if that improves the situation.