Known issue upstream. It is a years old Firefox issue - workaround as described here:
https://github.com/NicoHood/arc-theme/issues/41 ** Bug watch added: github.com/NicoHood/arc-theme/issues #41 https://github.com/NicoHood/arc-theme/issues/41 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1699605 Title: Panes in Thunderbird and Firefox unreadable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/arc-theme/+bug/1699605/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
