v.22.0b1, released: May 23, 2013
Check out whats new and known issues for this version of Thunderbird below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.
Did you know that most of the content in Thunderbird Support was written by volunteers?
The Thunderbird Blog »
Copyright © 2005–2014 Mozilla. All rights reserved.