It should not be a restriction - it should be guidance to make it easier to spot the likely targets, but it should not preclude you dragging anything to anything else.
Tim, can we have an update on the importance / situation of this? Mark -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/873167 Title: Cannot drag emails between Thunderbird windows [regression] To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/873167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs