Happened again, this time when opening firefox right after gnome- terminal was opened and moved to the right side of the screen. The terminal window portion can be seen in the firefox window area.
Dragging and remaximising Firefox fixed the window. ** Attachment added: "ff_terminal_right_window.png" https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1801380/+attachment/5210376/+files/ff_terminal_right_window.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1801380 Title: Right side of window and menu area is duplicated every time on first run To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1801380/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs