Thunderbird Beta for Testers — Old versions
Mozilla ThunderbirdNo older versions available yet. Current release.
What's new in 22.0b1
Thunderbird version 22.0b1 New: - Incognito Keyboard privacy setting - Thundermail interim screen when adding account Changed: - Selected sort option now shows indicator in sort menu Fixed: - Messages could scroll horizontally when content fit screen - Thread deletion confirmation incorrectly said only one message would be deleted - Notification actions difficult to scroll/reorder on small screen - Show Headers collapsed multi-line email headers into single line