Here's another image with the windows showing in alt-tab mode (whatever that's called - pressed Super button once).
** Attachment added: "Screenshot_2020-11-04_22-54-59.png" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1902921/+attachment/5431403/+files/Screenshot_2020-11-04_22-54-59.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1902921 Title: Scaling one monitor (to 1.5x in my case) can cause Firefox to lose window features (titlebar, buttons, bookmark bar) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1902921/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs