Release History
Color Chart
| Colour | Meaning |
|---|---|
| Red | Former release; no longer supported |
| Pink | Former test release |
| Yellow | Former release; still supported |
| Green | Current supported release |
| Blue | Future release |
| Gold | Current test release |
| Purple | Future test release |
Current Supported Releases
| Thunderbird 10.0.7esr |
| Thunderbird 15.0 |
Current Test Releases
| Thunderbird 16.0 Beta |
| Thunderbird 17.0 Earlybird |
| Thunderbird 18.0 Daily |
| Name | Gecko version | Version | Codename | Release date | Significant changes |
|---|---|---|---|---|---|
| Thunderbird | 1.5 | 0.1 | July 28, 2003 | First release. | |
| 0.2 | September 3, 2003 | ||||
| 0.3 | October 17, 2003 | ||||
| 1.6 | 0.4 | December 7, 2003 | |||
| 0.5 | February 9, 2004 | ||||
| 1.7 | 0.6 | May 3, 2004 | Pinstripe theme for Mac OS X, Windows installer, better junk mail handling, IMAP IDLE and LDAP version 3 support. | ||
| 0.7 | June 16, 2004 | Smaller download size, improved IMAP support, updated extension and theme managers. | |||
| 0.7.1 | June 28, 2004 | Bugfix release. | |||
| 0.7.2 | July 8, 2004 | Vulnerability patch (Windows only). | |||
| 0.7.3 | August 4, 2004 | Vulnerability patch. | |||
| 0.8 | September 14, 2004 | Improved Privacy Controls, Global Inbox, RSS/Atom Integration, Improved data migration. Improved spell checker support. | |||
| 0.9 | November 3, 2004 | More RSS integration. Favorite folders. Menu and dialog polish. Message list groups. Virtual folders. | |||
| Thunderbird 1 | 1.0 RC1 | Thunderbird 1.0 Release Candidate 1 |
December 1, 2004 | First Thunderbird release candidate. Bug fixing. Improved theme. Polish work. | |
| 1.0 | Thunderbird 1.0 | December 7, 2004 | Official version 1.0 release. | ||
| 1.0.2 1 | March 21, 2005 | Security and stability update. | |||
| 1.0.5 2 | July 13, 2005 | Security and stability update. | |||
| 1.0.6 | July 19, 2005 | Stability update. | |||
| 1.0.7 | September 29, 2005 | Security and stability update. | |||
| 1.0.8 | April 21, 2006 | Security and stability update. End-of-life 1.0.x product line | |||
| Thunderbird 1.5 | 1.8 | 1.1a1 | Thunderbird 1.1 Alpha 1 | June 2, 2005 | First Thunderbird 1.1 alpha release. Stability improvement and security fixes. |
| 1.1a2 | Thunderbird 1.1 Alpha 2 | July 15, 2005 | Second Thunderbird 1.1 alpha release. | ||
| 1.5b1 | Thunderbird 1.5 Beta 1 | September 9, 2005 | First Thunderbird 1.5 beta release. New update system (binary patch). | ||
| 1.5b2 | Thunderbird 1.5 Beta 2 | October 7, 2005 | Second Thunderbird 1.5 beta release. Improvements to automated update system, website rendering and performance. Several security fixes. | ||
| 1.5 RC1 | Thunderbird 1.5 Release Candidate 1 |
November 5, 2005 | First Thunderbird 1.5 release candidate. | ||
| 1.5 RC2 | Thunderbird 1.5 Release Candidate 2 |
December 21, 2005 | Second Thunderbird 1.5 release candidate. | ||
| 1.5 | Thunderbird 1.5 | January 11, 2006 | Official version 1.5 release. Identical to 1.5 RC2. | ||
| 1.5.0.2 3 | April 21, 2006 | Security and stability update. | |||
| 1.5.0.4 4 | June 1, 2006 | Security and stability update. Native support for Intel-based Macintosh computers by shipping universal binary. | |||
| 1.5.0.5 | July 27, 2006 | Security and stability update. | |||
| 1.5.0.7 5 | September 14, 2006 | Security and stability update. | |||
| 1.5.0.8 | November 8, 2006 | Security and stability update. | |||
| 1.5.0.9 | December 19, 2006 | Security and stability update. | |||
| 1.5.0.10 | March 1, 2007 | Security and stability update. | |||
| 1.5.0.12 6 | May 30, 2007 | Security and stability update. | |||
| 1.5.0.13 | August 23, 2007 | Security and stability update. | |||
| 1.5.0.14 | December 19, 2007 | Security and stability update. End-of-life 1.5.0.x product line | |||
| Thunderbird 2 | 1.8.1 | 2.0a1 | Thunderbird 2.0 Alpha 1 | July 28, 2006 | First Thunderbird 2 alpha release. Message Tags. Folder Views including favorite folders. Improved new mail notification alerts. New Windows installer based on Nullsoft Scriptable Install System. Find As You Type in the message pane. New combined and improved Add-ons manager for extensions and themes. Updates to the extension system to provide enhanced security and to allow for easier localization of extensions. |
| 2.0b1 | Thunderbird 2.0 Beta 1 | December 12, 2006 | First Thunderbird 2 beta release. Improved theme. Session history navigation. Improved offline management. Folder summary popups. Improved performance in saved search folders. Improved filing tools. | ||
| 2.0b2 | Thunderbird 2.0 Beta 2 | January 23, 2007 | Second Thunderbird 2 beta release. | ||
| 2.0 RC1 | Thunderbird 2.0 Release Candidate 1 |
April 6, 2007 | First Thunderbird 2 release candidate. | ||
| 2.0 | Thunderbird 2.0 | April 18, 2007 | Official version 2.0 release. Identical to 2.0 RC1. Windows Vista support, message tags, new visual theme, improved extension support, improved new email notifications, folder summary pop-ups, find text in messages search tool, new Windows installer, easy access to popular email services, advanced folder views, session history navigation, and saved search folder performance. | ||
| 2.0.0.4 7 | June 14, 2007 | Security and stability update. Korean locale was added. | |||
| 2.0.0.5 | July 19, 2007 | Security and stability update. | |||
| 2.0.0.6 | August 1, 2007 | Security and stability update. | |||
| 2.0.0.9 8 | November 14, 2007 | Security and stability update. Hebrew locale was added. | |||
| 2.0.0.12 9 | February 26, 2008 | Security and stability update. Afrikaans and Ukrainian locales were added. | |||
| 2.0.0.14 | May 1, 2008 | Security and stability update.
Includes fixes that would have been part of Thunderbird 2.0.0.13 which was officially abandoned on April 14, 2008. |
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| 2.0.0.16 | July 23, 2008 | Security and stability update.
Replacement for Thunderbird 2.0.0.15 which was officially abandoned on June 27, 2008. |
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| 2.0.0.17 | September 25, 2008 | Security and stability update. | |||
| 2.0.0.18 | November 19, 2008 | Security and stability update. | |||
| 2.0.0.19 | December 30, 2008 | Security and stability update. Shipped with equivalent fixes to Firefox 2.0.0.20. | |||
| 2.0.0.21 10 | March 18, 2009 | Security and stability update. | |||
| 2.0.0.22 | June 22, 2009 | Security and stability update. | |||
| 2.0.0.23 | August 20, 2009 | Security and stability update. | |||
| 2.0.0.24 | March 15, 2010 | Security and stability update. End-of-life 2.0.0.x product line | |||
| Thunderbird 3 | 1.9 | 3.0a1 | Shredder Alpha 1 | May 13, 2008 | First Thunderbird 3 alpha release. |
| 3.0a2 | Shredder Alpha 2 | August 12, 2008 | Second Thunderbird 3 alpha release. | ||
| 1.9.1 | 3.0a3 | Shredder Alpha 3 | October 14, 2008 | Third Thunderbird 3 alpha release. | |
| 3.0b1 | Thunderbird 3.0 Beta 1 | December 9, 2008 | First Thunderbird 3 beta release. | ||
| 3.0b2 | Thunderbird 3.0 Beta 2 | February 26, 2009 | Second Thunderbird 3 beta release. | ||
| 3.0b3 | Thunderbird 3.0 Beta 3 | July 21, 2009 | Third Thunderbird 3 beta release. Major features added, theme redesigns. | ||
| 3.0b4 | Thunderbird 3.0 Beta 4 | September 22, 2009 | Fourth Thunderbird 3 beta release. New Gloda search functionality enabled. | ||
| 3.0 RC1 | Thunderbird 3.0 Release Candidate 1 |
November 24, 2009 | First Thunderbird 3 release candidate. | ||
| 3.0 RC2 | Thunderbird 3.0 Release Candidate 2 |
December 1, 2009 | Second Thunderbird 3 release candidate. | ||
| 3.0 | Thunderbird 3.0 | December 8, 2009 | Official version 3.0 release. | ||
| 3.0.1 | January 20, 2010 | Regular security and stability update. | |||
| 3.0.2 | February 25, 2010 | Regular security and stability update. | |||
| 3.0.3 | March 1, 2010 | Off-cycle stability update. Fix for missing folders or empty folder panel after updating to Thunderbird 3.0.2. | |||
| 3.0.4 | March 30, 2010 | Regular security and stability update. | |||
| 3.0.5 | June 17, 2010 | Off-cycle stability update. Improves the performance of indexing messages and accessing profiles stored on a network as well as the unread email notification on Mac OS X. Several fixes to the user interface. | |||
| 3.0.6 | July 20, 2010 | Regular security and stability update. | |||
| 3.0.7 | September 7, 2010 | Regular security and stability update. | |||
| 3.0.8 | September 16, 2010 | Off-cycle stability update. | |||
| 3.0.9 | October 19, 2010 | Regular security and stability update. | |||
| 3.0.10 | October 27, 2010 | Off-cycle security update. | |||
| 3.0.11 | December 9, 2010 | Regular security and stability update. End-of-life 3.0.x product line | |||
| Thunderbird 3.1 | 1.9.2 | 3.1a1 | Lanikai Alpha 1 | February 3, 2010 | First Thunderbird 3.1 alpha release. |
| 3.1b1 | Thunderbird 3.1 Beta 1 | March 10, 2010 | First Thunderbird 3.1 beta release. | ||
| 3.1b2 | Thunderbird 3.1 Beta 2 | May 5, 2010 | Second Thunderbird 3.1 beta release. | ||
| 3.1 RC1 | Thunderbird 3.1 Release Candidate 1 |
May 27, 2010 | First Thunderbird 3.1 release candidate. | ||
| 3.1 RC2 | Thunderbird 3.1 Release Candidate 2 |
June 9, 2010 | Second Thunderbird 3.1 release candidate. | ||
| 3.1 | Thunderbird 3.1 | June 24, 2010 | Official version 3.1 release. | ||
| 3.1.1 | July 20, 2010 | Regular security and stability update. | |||
| 3.1.2 | August 5, 2010 | Off-cycle stability update. | |||
| 3.1.3 | September 7, 2010 | Regular security and stability update. | |||
| 3.1.4 | September 16, 2010 | Off-cycle stability update. | |||
| 3.1.5 | October 19, 2010 | Regular security and stability update. | |||
| 3.1.6 | October 27, 2010 | Off-cycle security update. | |||
| 3.1.7 | December 9, 2010 | Regular security and stability update. | |||
| 3.1.8 | March 1, 2011 | Regular security and stability update. | |||
| 3.1.9 | March 4, 2011 | Off-cycle stability update. Fixed post-update crash affecting some users. | |||
| 3.1.10 | April 28, 2011 | Regular security and stability update. | |||
| 3.1.11 | June 21, 2011 | Regular security and stability update. | |||
| 3.1.12 | August 16, 2011 | Regular security and stability update. | |||
| 3.1.13 | August 31, 2011 | Off-cycle security update. | |||
| 3.1.14 | September 6, 2011 | Off-cycle security update. | |||
| 3.1.15 | September 27, 2011 | Regular security and stability update. | |||
| 3.1.16 | November 8, 2011 | Regular security and stability update. | |||
| 3.1.17 | December 20, 2011 | Regular security and stability update. | |||
| 3.1.18 | January 31, 2012 | Regular security and stability update. | |||
| 3.1.19 | February 16, 2012 | Regular security and stability update. | |||
| 3.1.20 | March 12, 2012 | Regular security and stability update. End-of-life 3.1.x product line on April 24, 2012. | |||
| Thunderbird 5 | 2.0 | 3.3a1 | Miramar Alpha 1 | November 23, 2010 | First Thunderbird 3.3 alpha release. |
| 3.3a2 | Miramar Alpha 2 | January 20, 2011 | Second Thunderbird 3.3 alpha release. | ||
| 3.3a3 | Miramar Alpha 3 | March 15, 2011 | Third Thunderbird 3.3 alpha release. | ||
| 5.0 | 5.0b1 | Thunderbird 5.0 Beta 1 | June 2, 2011 | First Thunderbird 5.0 beta release. | |
| 5.0b2 | Thunderbird 5.0 Beta 2 | June 22, 2011 | Second Thunderbird 5.0 beta release. | ||
| 5.0 | Thunderbird 5.0 | June 28, 2011 | New features including Add-ons Manager, New Troubleshooting Information page; Revised account creation wizard, Tabs can now be reordered and dragged to different windows, Attachment sizes now displayed along with attachments, Plugins can now be loaded in RSS feeds by default; Over 390 platform fixes that improve speed, performance, stability and security, including improved responsiveness and faster start-up, theme fixes for Windows Vista and Windows 7, and support for Mac 32/64 bit Universal builds; End of Support for PowerPC-based Apple Computers.
End-of-life 5.0.x product line on August 16, 2011. |
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| Thunderbird 6 | 6.0 | 6.0a2 | Thunderbird 6.0 Earlybird | June 16, 2011 | First Thunderbird 6.0 Earlybird build. |
| 6.0b1 | Thunderbird 6.0 Beta 1 | July 20, 2011 | First Thunderbird 6.0 beta release. | ||
| 6.0b2 | Thunderbird 6.0 Beta 2 | August 2, 2011 | Second Thunderbird 6.0 beta release. | ||
| 6.0b3 | Thunderbird 6.0 Beta 3 | August 10, 2011 | Third Thunderbird 6.0 beta release. | ||
| 6.0 | Thunderbird 6.0 | August 16, 2011 | Based on Gecko 6 engine as well as fixes to user interview and security; platform fixes that improve speed, performance and stability; Windows 7 support adds jump lists and includes several theme improvements; fixes to improve importing email from Microsoft Outlook; for Linux, default mail client check works with newer distributions | ||
| 6.0.1 | Thunderbird 6.0.1 | August 31, 2011 | Off-cycle security update. | ||
| 6.0.2 | Thunderbird 6.0.2 | September 6, 2011 | Off-cycle security update.
End-of-life 6.0.x product line on September 27, 2011. |
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| Thunderbird 7 | 7.0 | 7.0a1 | Thunderbird 7.0 Nightly | May 27, 2011 | First Thunderbird 7.0 Nightly build. |
| 7.0a2 | Thunderbird 7.0 Earlybird | July 6, 2011 | First Thunderbird 7.0 Earlybird build. | ||
| 7.0b1 | Thunderbird 7.0 Beta 1 | August 26, 2011 | First Thunderbird 7.0 beta release. | ||
| 7.0b2 | Thunderbird 7.0 Beta 2 | September 6, 2011 | Second Thunderbird 7.0 beta release. | ||
| 7.0b3 | Thunderbird 7.0 Beta 3 | September 20, 2011 | Third Thunderbird 7.0 beta release. | ||
| 7.0 | Thunderbird 7.0 | September 27, 2011 | Based on Gecko 7 engine as well as fixes to user interview and security; support for printing summary of selected email messages; fixes to attachment handling; platform-specific improvements to Address Book | ||
| 7.0.1 | Thunderbird 7.0.1 | September 30, 2011 | Off-cycle stability update. Fixed a rare issue where some users could find one or more of their add-ons hidden after a Thunderbird update.
End-of-life 7.0.x product line on November 8, 2011. |
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| Thunderbird 8 | 8.0 | 8.0a1 | Thunderbird 8.0 Nightly | July 6, 2011 | First Thunderbird 8.0 Nightly build. |
| 8.0a2 | Thunderbird 8.0 Earlybird | August 17, 2011 | First Thunderbird 8.0 Earlybird build. | ||
| 8.0b1 | Thunderbird 8.0 Beta 1 | October 4, 2011 | First Thunderbird 8.0 beta release. | ||
| 8.0b2 | Thunderbird 8.0 Beta 2 | October 12, 2011 | Second Thunderbird 8.0 beta release. | ||
| 8.0b3 | Thunderbird 8.0 Beta 3 | October 19, 2011 | Third Thunderbird 8.0 beta release. | ||
| 8.0b4 | Thunderbird 8.0 Beta 4 | November 1, 2011 | Fourth Thunderbird 8.0 beta release. | ||
| 8.0b5 | Thunderbird 8.0 Beta 5 | November 3, 2011 | Fifth Thunderbird 8.0 beta release. | ||
| 8.0 | Thunderbird 8.0 | November 8, 2011 | Based on Gecko 8 engine, with security and stability fixes; Add-ons installed by third parties now disabled by default; New Search and Find Shortcuts; Improved accessibility of the attachment list; Folder switching pane widget removed and repackaged as an add-on
End-of-life 8.0.x product line on December 20, 2011. |
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| Thunderbird 9 | 9.0 | 9.0a1 | Thunderbird 9.0 Nightly | August 17, 2011 | First Thunderbird 9.0 Nightly build. |
| 9.0a2 | Thunderbird 9.0 Earlybird | September 28, 2011 | First Thunderbird 9.0 Earlybird build. | ||
| 9.0b1 | Thunderbird 9.0 Beta 1 | November 16, 2011 | First Thunderbird 9.0 beta release. | ||
| 9.0b2 | Thunderbird 9.0 Beta 2 | November 24, 2011 | Second Thunderbird 9.0 beta release. | ||
| 9.0b3 | Thunderbird 9.0 Beta 3 | December 1, 2011 | Third Thunderbird 9.0 beta release. | ||
| 9.0b4 | Thunderbird 9.0 Beta 4 | December 8, 2011 | Fourth Thunderbird 9.0 beta release. | ||
| 9.0b5 | Thunderbird 9.0 Beta 5 | December 14, 2011 | Fifth Thunderbird 9.0 beta release. | ||
| 9.0 | Thunderbird 9.0 | December 20, 2011 | Based on Gecko 9 engine, with security and user interface improvements; New opt-in system for sharing performance and usability data with Mozilla ; Additional support for Personas in the compose and address book windows; Better keyboard handling for attachments; Windows users can hide the menu bar. | ||
| 9.0.1 | Thunderbird 9.0.1 | December 23, 2011 | Off-cycle security and stability update.
End-of-life 9.0.x product line on January 31, 2012. |
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| Thunderbird 10 | 10.0 | 10.0a1 | Thunderbird 10.0 Nightly | September 28, 2011 | First Thunderbird 10.0 Nightly build. |
| 10.0a2 | Thunderbird 10.0 Earlybird | November 9, 2011 | First Thunderbird 10.0 Earlybird build. | ||
| 10.0b1 | Thunderbird 10.0 Beta 1 | December 23, 2011 | First Thunderbird 10.0 beta release. | ||
| 10.0b2 | Thunderbird 10.0 Beta 2 | January ??, 2012 | Second Thunderbird 10.0 beta release. | ||
| 10.0b3 | Thunderbird 10.0 Beta 3 | January 11, 2012 | Third Thunderbird 10.0 beta release. | ||
| 10.0b4 | Thunderbird 10.0 Beta 4 | January 18, 2012 | Fourth Thunderbird 10.0 beta release. | ||
| 10.0b5 | Thunderbird 10.0 Beta 5 | January 24, 2012 | Fifth Thunderbird 10.0 beta release. | ||
| 10.0 | Thunderbird 10.0 | January 31, 2012 | Official version 10.0 release. First Extended Support Release (ESR).
End-of-life 10.0.x product line on March 13, 2012. |
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| 10.0.1 | Thunderbird 10.0.1 | February 12, 2012 | Off-cycle security and stability update. | ||
| 10.0.2 | Thunderbird 10.0.2 | February 16, 2012 | Off-cycle security and stability update. | ||
| 10.0.3 | Thunderbird 10.0.3 | March 13, 2012 | Off-cycle security and stability update. | ||
| 10.0.4esr | Thunderbird 10.0.4esr | April 24, 2012 | Off-cycle security and stability update. | ||
| 10.0.5esr | Thunderbird 10.0.5esr | June 6, 2012 | Off-cycle security and stability update. | ||
| 10.0.6esr | Thunderbird 10.0.6esr | July 17, 2012 | Off-cycle security and stability update. | ||
| 10.0.7esr | Thunderbird 10.0.7esr | August 28, 2012 | Off-cycle security and stability update. | ||
| Thunderbird 11 | 11.0 | 11.0 | Thunderbird 11.0 | March 13, 2012 | Official version 11.0 release. |
| 11.0.1 | Thunderbird 11.0.1 | March 28, 2012 | Off-cycle security and stability update. | ||
| Thunderbird 12 | 12.0 | 12.0 | Thunderbird 12.0 | April 24, 2012 | Official version 12.0 release. |
| 12.0.1 | Thunderbird 12.0.1 | April 30, 2012 | Off-cycle security and stability update. | ||
| Thunderbird 13 | 13.0 | 13.0 | Thunderbird 13.0 | June 5, 2012 | Official version 13.0 release. |
| 13.0.1 | Thunderbird 13.0.1 | June 15, 2012 | Off-cycle security and stability update. | ||
| Thunderbird 14 | 14.0 | 14.0 | Thunderbird 14.0 | July 17, 2012 | Official version 14.0 release. |
| Thunderbird 15 | 15.0 | 15.0 | Thunderbird 15.0 | August 28, 2012 | Official version 15.0 release. |
| 15.0.1 | Thunderbird 15.0.1 | September 10, 2012 | Official version 15.0.1 release. | ||
| Thunderbird 16 | 16.0 | 16.0 | Thunderbird 16.0 | October 9, 2012 | Official version 16.0 release. |
| 16.0.1 | Thunderbird 16.0.1 | October 11, 2012 | Official version 16.0.1 release. | ||
| Name | Gecko version | Version | Codename | Release date | Significant changes |
Note (1): Version 1.0.1 was planned, but it was not shipped, due to delay and discovery of issues that needed fixing in all three of Mozilla Foundation's products.
Note (2): There were no versions 1.0.3 and 1.0.4 since the bugs/issues affected Firefox only.
Note (3): There was no version 1.5.0.1.
Note (4): There was no version 1.5.0.3.
Note (5): There was no version 1.5.0.6.
Note (6): There was no version 1.5.0.11.
Note (7): There were no versions 2.0.0.1, 2.0.0.2 and 2.0.0.3.
Note (8): There were no versions 2.0.0.7 and 2.0.0.8.
Note (9): There were no versions 2.0.0.10 and 2.0.0.11.
Note (10): There was no version 2.0.0.20.
Read more about this topic: History Of Mozilla Thunderbird
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