Hi, the "Could not connect: Connection refused" seems to be a known limitation of running X11 applications on Wayland, see https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/considerations_in_adopting_rhel_8/desktop-and-graphics_considerations-in-adopting-rhel-8#opening-graphical-applications-with-sudo_notable-changes-in-gnome-shell
That link also points to the workaround. I'd prefer a real solution, though, since more and more distribitions switch to Wayland by default. Please forward this bug to upstream in case they aren't aware of this issue, yet. Cheers - Bruno
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