@Iain, Follow the tips, I pushed a new branch, could you help me check it? Thanks!
https://code.launchpad.net/~binli/ubuntu/+source/gdm3/+git/gdm3/+merge/354933 -- https://code.launchpad.net/~binli/ubuntu/+source/gdm3/+git/gdm3/+merge/354839 Your team Ubuntu Desktop is subscribed to branch ~ubuntu-desktop/ubuntu/+source/gdm3:ubuntu/bionic. -- ubuntu-desktop mailing list ubuntu-desktop@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-desktop