Attached. I'm using the Arc theme across the desktop, but no Thunderbird theme (or rather, the default).
** Attachment added: "Screenshot from 2017-10-19 18-44-31.png" https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1721189/+attachment/4976376/+files/Screenshot%20from%202017-10-19%2018-44-31.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1721189 Title: Thunderbird 1:52.4.0+build1-0ubuntu1 broken user interface To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1721189/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs