FWIW: On the installation where have the issue, this is what it looks like in a Xorg session:
$ gnome-extensions-app Segmentation fault (core dumped) Same as bug #1966221 in other words. (The command shown in the bug description was run in a Wayland session.) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1965563 Title: gnome-extensions-app fails to start (Protocol error) Status in gnome-shell package in Ubuntu: Confirmed Bug description: $ dpkg-query -W gnome-shell-extension-prefs gnome-shell-extension-prefs 42~beta-1ubuntu3 $ gnome-extensions-app Gdk-Message: 17:54:19.697: Error reading events from display: Protocol error Caveat: I currently have a mix of packages from jammy-release and jammy-proposed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1965563/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
