Comment 2 is still applicable with latest Nightly 71.0a1 (2019-10-03). XDG is just stock x11 ubuntu:GNOME and the prefs.js produced by a new profile contains nothing relevant.
XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg XDG_MENU_PREFIX=gnome- XDG_SEAT=seat0 XDG_SESSION_DESKTOP=ubuntu XDG_SESSION_TYPE=x11 XDG_CURRENT_DESKTOP=ubuntu:GNOME XDG_SESSION_CLASS=user XDG_VTNR=2 XDG_SESSION_ID=1 XDG_RUNTIME_DIR=/run/user/1000 XDG_DATA_DIRS=/usr/share/ubuntu:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop:/var/lib/snapd/desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828728 Title: White corners when CSD is enabled on Firefox under X11 To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1828728/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs