I tested the new packages in focal-proposed on a ThinkPad P15s, which only have one resolution before. and the new packages in focal-proposed works. The details:
0. the resolution supported, only one: 1920x1080 1. the original packages: xserver-common 2:1.20.8-2ubuntu2 xserver-xephyr 2:1.20.8-2ubuntu2 xserver-xorg-core 2:1.20.8-2ubuntu2 xserver-xorg-legacy 2:1.20.8-2ubuntu2 xwayland 2:1.20.8-2ubuntu2 2. open focal-proposed channel and "sudo apt update". 3. sudo apt install xserver-common xserver-xephyr xserver-xorg-core xserver-xorg-legacy xwayland 4. reboot 5. the new packages installed: xserver-common 2:1.20.8-2ubuntu2.2 xserver-xephyr 2:1.20.8-2ubuntu2.2 xserver-xorg-core 2:1.20.8-2ubuntu2.2 xserver-xorg-legacy 2:1.20.8-2ubuntu2.2 xwayland 2:1.20.8-2ubuntu2.2 6. check the resolutions supported now: 1920x1080, 1680x1050, 1600x1024, 1400x1050....., total 23 resolutions supported now. ** Tags removed: verification-needed-focal ** Tags added: verification-done-focal -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1883497 Title: Only timing mode list in EDID supported on continuous freq monitors To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1883497/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp