I was running libmutter-7-0 3.38.1-1ubuntu1. I could reproduce the initial bug of not being able to launch Chromium from the snap. After upgrading to 3.38.1-2ubuntu1, now I can launch it fine.
Additionally, ss shows that Xwayland is listening on the abstract socket too. laney@nightingale> ss -xlp | grep Xwayland u_str LISTEN 0 1 /tmp/.X11-unix/X0 71964 * 0 users:(("Xwayland",pid=3713,fd=5)) u_str LISTEN 0 1 @/tmp/.X11-unix/X0 71963 * 0 users:(("Xwayland",pid=3713,fd=4)) u_str LISTEN 0 1 @/tmp/.X11-unix/X1 71965 * 0 users:(("Xwayland",pid=3713,fd=7)) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1897224 Title: Graphical snaps can't run in Gnome 3.38 Wayland sessions (can't open X display) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1897224/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs