See http://www.mozilla.com/thunderbird/releases/1.5.html. Has anyone tried it yet? I'm planning to install it soon. Just debating whether to remove Version 1.0.7 first.

Chris (Hunt)

Edited: Do not install over the top of an older version as this can cause trouble. For general notes on installation see: http://kb.mozillazine.org/Upgrading_(Thunderbird)