Minor longstanding annoyances in Qubes

See also: https://forum.qubes-os.org/t/major-ux-pain-points.

Works fine for me. You can start a new thread and we can try to help you. See also: How do I change my default browser? - Ask Ubuntu.

When I configure it during the install, I never have any problems later. The languages switch fine everywhere.

Looks like a problem with XFCE.