- Fix for 0.7 not recognizing profiles whose directory path contained non ascii characters.
- Mac OS X: Thunderbird 0.7 was not recognizing existing 0.6 profiles.
- Fix for the new mail notification icon in the Windows system tray not always showing up.
- Improvements to the extensions system.
Download links for Mac OS X, Linux and Windows versions are available at the Mozilla.org home page. For more information, see the Firefox release notes and Thunderbird release notes.