Version History of Thunderbird 6.0

  • Thunderbird is based on the new Mozilla Gecko 6 engine
  • Several theme improvements for Windows 7
  • Support for Windows 7 Jump lists
  • Several fixes when importing email from Microsoft Outlook
  • Default mail client check now works with newer Linux distributions
  • Various other user interface fixes and improvements
  • Numerous platform fixes that improve speed, performance, stability and security