I found that this same issue also appears when using Salience, a third- party GTK theme. Maybe any GTK theme with dark toolbars would be sufficient for triggering this bug...?
** Attachment added: "Same issue in Salience.png" https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1044621/+attachment/3287958/+files/Same%20issue%20in%20Salience.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1044621 Title: Bad inactive tab corner appearance on hover in Thunderbird 15 with Ambiance To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1044621/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
