Ubuntu
thunderbird package

  1. Bug #1234468
  2. Comment #10

Comment 10 for bug 1234468

Revision history for this message
In , Bugzilla-g (bugzilla-g) wrote :

This is also apparently seen in Unity as well.
https://forum.kde.org/viewtopic.php?f=111&t=117704#p294488

As stated previously, I also tried manually downloading Thunderbird from the Mozilla website, so it's unlikely to be a problem introduced in the Ubuntu packages.