Joe, this sounds like a different issue from the one originally reported here.
A cursory glance at the upstream bugs for drag'n'drop didn't find matching issues. Paul & Joe: would you mind filing upstream bug reports at https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird, and sharing the links to them here? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1934243 Title: thunderbird drag-n-drop move messages fails on Wayland To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1934243/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs