History of Mozilla Thunderbird

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Mozilla Thunderbird was originally launched as Minotaur, shortly after Phoenix (the original name for Mozilla Firefox); the project failed to gain momentum. With the success of the Mozilla Firefox, however, demand increased for a mail client to go with it, and the work on Minotaur was revived under the new name of Thunderbird, and migrated to the new toolkit developed by the Firefox team.

Early beginnings: A simple email and news client[edit]

Various logos used during the development of Thunderbird

Significant work on Thunderbird restarted with the announcement that from version 1.5 onwards, the main Mozilla suite would be designed around separate applications using this new toolkit. This contrasted with the previous all-in-one approach, hopefully leading to more efficient and maintainable code, as well as allowing users to mix and match the Mozilla applications with alternatives.

The original Thunderbird logo was just a modified Firebird logo, with a simple shifting of hue value from red to blue. In 2004, together with the change of Firefox's visual identity by Jon Hicks, a more professional logo that is currently in use was introduced.[1]

Release history[edit]

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 60.7.1

Current test releases

Thunderbird 68 Beta 1
Thunderbird 69 Alpha 1
Name Gecko version Version Codename Release date Significant changes
Thunderbird 1.5 0.1 28 July 2003 First release.[2]
0.2 3 September 2003 [3]
0.3 17 October 2003 [4]
1.6 0.4 7 December 2003 [5]
0.5 9 February 2004 [6]
1.7 0.6 3 May 2004 Pinstripe theme for Mac OS X, Windows installer, better junk mail handling, IMAP IDLE and LDAP version 3 support.[7]
0.7 16 June 2004 Smaller download size, improved IMAP support, updated extension and theme managers.[8]
0.7.1 28 June 2004 Bugfix release.
0.7.2 8 July 2004 Vulnerability patch (Windows only).
0.7.3 4 August 2004 Vulnerability patch.[9]
0.8 14 September 2004 Improved Privacy Controls, Global Inbox, RSS/Atom Integration, Improved data migration. Improved spell checker support.[10]
0.9 3 November 2004 More RSS integration. Favorite folders. Menu and dialog polish. Message list groups. Virtual folders.[11]
Thunderbird 1 1.0 RC1 Thunderbird 1.0
Release Candidate 1
1 December 2004 First Thunderbird release candidate. Bug fixing. Improved theme. Polish work.[12]
1.0 Thunderbird 1.0 7 December 2004 Official version 1.0 release.[13]
1.0.2[i] 21 March 2005 Security and stability update.[14]
1.0.5[ii] 13 July 2005 Security and stability update.[15]
1.0.6 19 July 2005 Stability update.[16]
1.0.7 29 September 2005 Security and stability update.[17]
1.0.8 21 April 2006 Security and stability update.[18] End-of-life 1.0.x product line
Thunderbird 1.5 1.8 1.1a1 Thunderbird 1.1 Alpha 1 2 June 2005 First Thunderbird 1.1 alpha release. Stability improvement and security fixes.[19]
1.1a2 Thunderbird 1.1 Alpha 2 15 July 2005 Second Thunderbird 1.1 alpha release.[20]
1.5b1 Thunderbird 1.5 Beta 1 9 September 2005 First Thunderbird 1.5 beta release. New update system (binary patch).[21]
1.5b2 Thunderbird 1.5 Beta 2 7 October 2005 Second Thunderbird 1.5 beta release. Improvements to automated update system, website rendering and performance. Several security fixes.[22]
1.5 RC1 Thunderbird 1.5
Release Candidate 1
5 November 2005 First Thunderbird 1.5 release candidate.[23]
1.5 RC2 Thunderbird 1.5
Release Candidate 2
21 December 2005 Second Thunderbird 1.5 release candidate.[24]
1.5 Thunderbird 1.5 11 January 2006 Official version 1.5 release. Identical to 1.5 RC2.[25]
1.5.0.2[i] 21 April 2006 Security and stability update.[26]
1.5.0.4[i] 1 June 2006 Security and stability update. Native support for Intel-based Macintosh computers by shipping universal binary.[27]
1.5.0.5 27 July 2006 Security and stability update.[28]
1.5.0.7[i] 14 September 2006 Security and stability update.[29]
1.5.0.8 8 November 2006 Security and stability update.[30]
1.5.0.9 19 December 2006 Security and stability update.[31]
1.5.0.10 1 March 2007 Security and stability update.[32]
1.5.0.12[i] 30 May 2007 Security and stability update.[33]
1.5.0.13 23 August 2007 Security and stability update.[34]
1.5.0.14 19 December 2007 Security and stability update.[35] End-of-life 1.5.0.x product line
Thunderbird 2 1.8.1 2.0a1 Thunderbird 2.0 Alpha 1 28 July 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.[36]
2.0b1 Thunderbird 2.0 Beta 1 12 December 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.[37]
2.0b2 Thunderbird 2.0 Beta 2 23 January 2007 Second Thunderbird 2 beta release.[38]
2.0 RC1 Thunderbird 2.0
Release Candidate 1
6 April 2007 First Thunderbird 2 release candidate.[39]
2.0 Thunderbird 2.0 18 April 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.[40]
2.0.0.4[ii] 14 June 2007 Security and stability update. Korean locale was added.[41]
2.0.0.5 19 July 2007 Security and stability update.[42]
2.0.0.6 1 August 2007 Security and stability update.[43]
2.0.0.9[ii] 14 November 2007 Security and stability update. Hebrew locale was added.[44]
2.0.0.12[ii] 26 February 2008 Security and stability update. Afrikaans and Ukrainian locales were added.[45]
2.0.0.14 1 May 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.[46]

2.0.0.16 23 July 2008 Security and stability update.

Replacement for Thunderbird 2.0.0.15 which was officially abandoned on June 27, 2008.[47]

2.0.0.17 25 September 2008 Security and stability update.[48]
2.0.0.18 19 November 2008 Security and stability update.[49]
2.0.0.19 30 December 2008 Security and stability update. Shipped with equivalent fixes to Firefox 2.0.0.20.[50]
2.0.0.21[i] 18 March 2009 Security and stability update.[51]
2.0.0.22 22 June 2009 Security and stability update.[52]
2.0.0.23 20 August 2009 Security and stability update.[53]
2.0.0.24 15 March 2010 Security and stability update.[54] End-of-life 2.0.0.x product line
Thunderbird 3 1.9 3.0a1 Shredder Alpha 1 13 May 2008 First Thunderbird 3 alpha release.[55]
3.0a2 Shredder Alpha 2 12 August 2008 Second Thunderbird 3 alpha release.[56]
1.9.1 3.0a3 Shredder Alpha 3 14 October 2008 Third Thunderbird 3 alpha release.[57]
3.0b1 Thunderbird 3.0 Beta 1 9 December 2008 First Thunderbird 3 beta release.[58]
3.0b2 Thunderbird 3.0 Beta 2 26 February 2009 Second Thunderbird 3 beta release.[59]
3.0b3 Thunderbird 3.0 Beta 3 21 July 2009 Third Thunderbird 3 beta release. Major features added, theme redesigns.[60]
3.0b4 Thunderbird 3.0 Beta 4 22 September 2009 Fourth Thunderbird 3 beta release. New Gloda search functionality enabled.[61]
3.0 RC1 Thunderbird 3.0
Release Candidate 1
24 November 2009 First Thunderbird 3 release candidate.[62]
3.0 RC2 Thunderbird 3.0
Release Candidate 2
1 December 2009 Second Thunderbird 3 release candidate.[63]
3.0 Thunderbird 3.0 8 December 2009 Official version 3.0 release.[64]
3.0.1 20 January 2010 Regular security and stability update.[65]
3.0.2 25 February 2010 Regular security and stability update.[66]
3.0.3 1 March 2010 Off-cycle stability update. Fix for missing folders or empty folder panel after updating to Thunderbird 3.0.2.[67]
3.0.4 30 March 2010 Regular security and stability update.[68]
3.0.5 17 June 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.[69]
3.0.6 20 July 2010 Regular security and stability update.[70]
3.0.7 7 September 2010 Regular security and stability update.[71]
3.0.8 16 September 2010 Off-cycle stability update.[72]
3.0.9 19 October 2010 Regular security and stability update.[73]
3.0.10 27 October 2010 Off-cycle security update.[74]
3.0.11 9 December 2010 Regular security and stability update.[75] End-of-life 3.0.x product line
Thunderbird 3.1 1.9.2 3.1a1 Lanikai Alpha 1 3 February 2010 First Thunderbird 3.1 alpha release.[76]
3.1b1 Thunderbird 3.1 Beta 1 10 March 2010 First Thunderbird 3.1 beta release.[77]
3.1b2 Thunderbird 3.1 Beta 2 5 May 2010 Second Thunderbird 3.1 beta release.[78]
3.1 RC1 Thunderbird 3.1
Release Candidate 1
27 May 2010 First Thunderbird 3.1 release candidate.[79]
3.1 RC2 Thunderbird 3.1
Release Candidate 2
9 June 2010 Second Thunderbird 3.1 release candidate.[80]
3.1 Thunderbird 3.1 24 June 2010 Official version 3.1 release.[81]
3.1.1 20 July 2010 Regular security and stability update.[82]
3.1.2 5 August 2010 Off-cycle stability update.[83]
3.1.3 7 September 2010 Regular security and stability update.[84]
3.1.4 16 September 2010 Off-cycle stability update.[85]
3.1.5 19 October 2010 Regular security and stability update.[86]
3.1.6 27 October 2010 Off-cycle security update.[87]
3.1.7 9 December 2010 Regular security and stability update.[88]
3.1.8 1 March 2011 Regular security and stability update.[89]
3.1.9 4 March 2011 Off-cycle stability update. Fixed post-update crash affecting some users.[90]
3.1.10 28 April 2011 Regular security and stability update.[91]
3.1.11 21 June 2011 Regular security and stability update.[92]
3.1.12 16 August 2011 Regular security and stability update.[93]
3.1.13 31 August 2011 Off-cycle security update.[94]
3.1.14 6 September 2011 Off-cycle security update.[95]
3.1.15 27 September 2011 Regular security and stability update.[96]
3.1.16 8 November 2011 Regular security and stability update.[97]
3.1.17 20 December 2011 Regular security and stability update.[98]
3.1.18 31 January 2012 Regular security and stability update.[99]
3.1.19 16 February 2012 Regular security and stability update.[100]
3.1.20 12 March 2012 Regular security and stability update.[101] End-of-life 3.1.x product line on April 24, 2012.
Thunderbird 5 2.0 3.3a1 Miramar Alpha 1 23 November 2010 First Thunderbird 3.3 alpha release.[102]
3.3a2 Miramar Alpha 2 20 January 2011 Second Thunderbird 3.3 alpha release.[103]
3.3a3 Miramar Alpha 3 15 March 2011 Third Thunderbird 3.3 alpha release.[104]
5.0 5.0b1 Thunderbird 5.0 Beta 1 2 June 2011 First Thunderbird 5.0 beta release.[105]
5.0b2 Thunderbird 5.0 Beta 2 22 June 2011 Second Thunderbird 5.0 beta release.[106]
5.0 Thunderbird 5.0 28 June 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.[107]

End-of-life 5.0.x product line on August 16, 2011.

Thunderbird 6 6.0 6.0a2 Thunderbird 6.0 Earlybird 16 June 2011 First Thunderbird 6.0 Earlybird build.[108]
6.0b1 Thunderbird 6.0 Beta 1 20 July 2011 First Thunderbird 6.0 beta release.[109][110]
6.0b2 Thunderbird 6.0 Beta 2 2 August 2011 Second Thunderbird 6.0 beta release.[111]
6.0b3 Thunderbird 6.0 Beta 3 10 August 2011 Third Thunderbird 6.0 beta release.[112]
6.0 Thunderbird 6.0 16 August 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[113][114]
6.0.1 Thunderbird 6.0.1 31 August 2011 Off-cycle security update.[115]
6.0.2 Thunderbird 6.0.2 6 September 2011 Off-cycle security update.[116]

End-of-life 6.0.x product line on September 27, 2011.

Thunderbird 7 7.0 7.0a1 Thunderbird 7.0 Nightly 27 May 2011 First Thunderbird 7.0 Nightly build.[117]
7.0a2 Thunderbird 7.0 Earlybird 6 July 2011 First Thunderbird 7.0 Earlybird build.[118]
7.0b1 Thunderbird 7.0 Beta 1 26 August 2011 First Thunderbird 7.0 beta release.[119][120]
7.0b2 Thunderbird 7.0 Beta 2 6 September 2011 Second Thunderbird 7.0 beta release.[121]
7.0b3 Thunderbird 7.0 Beta 3 20 September 2011 Third Thunderbird 7.0 beta release.[122]
7.0 Thunderbird 7.0 27 September 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[123][124]
7.0.1 Thunderbird 7.0.1 30 September 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.[125][126]

End-of-life 7.0.x product line on November 8, 2011.

Thunderbird 8 8.0 8.0a1 Thunderbird 8.0 Nightly 6 July 2011 First Thunderbird 8.0 Nightly build.[127]
8.0a2 Thunderbird 8.0 Earlybird 17 August 2011 First Thunderbird 8.0 Earlybird build.[128]
8.0b1 Thunderbird 8.0 Beta 1 4 October 2011 First Thunderbird 8.0 beta release.[129][130]
8.0b2 Thunderbird 8.0 Beta 2 12 October 2011 Second Thunderbird 8.0 beta release.
8.0b3 Thunderbird 8.0 Beta 3 19 October 2011 Third Thunderbird 8.0 beta release.[131]
8.0b4 Thunderbird 8.0 Beta 4 1 November 2011 Fourth Thunderbird 8.0 beta release.
8.0b5 Thunderbird 8.0 Beta 5 3 November 2011 Fifth Thunderbird 8.0 beta release.
8.0 Thunderbird 8.0 8 November 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[132][133]

End-of-life 8.0.x product line on December 20, 2011.

Thunderbird 9 9.0 9.0a1 Thunderbird 9.0 Nightly 17 August 2011 First Thunderbird 9.0 Nightly build.[134]
9.0a2 Thunderbird 9.0 Earlybird 28 September 2011 First Thunderbird 9.0 Earlybird build.[135]
9.0b1 Thunderbird 9.0 Beta 1 16 November 2011 First Thunderbird 9.0 beta release.[136][137]
9.0b2 Thunderbird 9.0 Beta 2 24 November 2011 Second Thunderbird 9.0 beta release.
9.0b3 Thunderbird 9.0 Beta 3 1 December 2011 Third Thunderbird 9.0 beta release.
9.0b4 Thunderbird 9.0 Beta 4 8 December 2011 Fourth Thunderbird 9.0 beta release.
9.0b5 Thunderbird 9.0 Beta 5 14 December 2011 Fifth Thunderbird 9.0 beta release.
9.0 Thunderbird 9.0 20 December 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.[138][139]
9.0.1 Thunderbird 9.0.1 23 December 2011 Off-cycle security and stability update.[140]

End-of-life 9.0.x product line on January 31, 2012.

Thunderbird 10 10.0 10.0a1 Thunderbird 10.0 Nightly 28 September 2011 First Thunderbird 10.0 Nightly build.[141]
10.0a2 Thunderbird 10.0 Earlybird 9 November 2011 First Thunderbird 10.0 Earlybird build.[142]
10.0b1 Thunderbird 10.0 Beta 1 23 December 2011 First Thunderbird 10.0 beta release.[143][144]
10.0b2 Thunderbird 10.0 Beta 2 9 January 2012 Second Thunderbird 10.0 beta release.
10.0b3 Thunderbird 10.0 Beta 3 11 January 2012 Third Thunderbird 10.0 beta release.
10.0b4 Thunderbird 10.0 Beta 4 18 January 2012 Fourth Thunderbird 10.0 beta release.
10.0b5 Thunderbird 10.0 Beta 5 24 January 2012 Fifth Thunderbird 10.0 beta release.
10.0 Thunderbird 10.0 31 January 2012 Official version 10.0 release.[145][146] First Extended Support Release (ESR).[147]
10.0.1 Thunderbird 10.0.1 12 February 2012 Off-cycle security and stability update.[148]
10.0.2 Thunderbird 10.0.2 16 February 2012 Off-cycle security and stability update.[149]
10.0.3esr Thunderbird 10.0.3esr 13 March 2012 Regular security and stability update.[150]
10.0.4esr Thunderbird 10.0.4esr 24 April 2012 Regular security and stability update.[151]
10.0.5esr Thunderbird 10.0.5esr 6 June 2012 Regular security and stability update.[152]
10.0.6esr Thunderbird 10.0.6esr 17 July 2012 Regular security and stability update.[153]
10.0.7esr Thunderbird 10.0.7esr 28 August 2012 Regular security and stability update.[154]
10.0.8esr Thunderbird 10.0.8esr 9 October 2012 Regular security and stability update.[155]
10.0.9esr Thunderbird 10.0.9esr 12 October 2012 Off-cycle security and stability update.[156]
10.0.10esr Thunderbird 10.0.10esr 29 October 2012 Off-cycle security and stability update.[157]
10.0.11esr Thunderbird 10.0.11esr 20 November 2012 Regular security and stability update.[158]
10.0.12esr Thunderbird 10.0.12esr 8 January 2013 Regular security and stability update.[159]

End-of-life 10.0.x product line on February 19, 2013.[160]

Thunderbird 11 11.0 11.0 Thunderbird 11.0 13 March 2012 Official version 11.0 release.[161]
11.0.1 Thunderbird 11.0.1 28 March 2012 Off-cycle security and stability update.[162]

End-of-life 11.0.x product line on April 24, 2012.

Thunderbird 12 12.0 12.0 Thunderbird 12.0 24 April 2012 Official version 12.0 release.[163]
12.0.1 Thunderbird 12.0.1 30 April 2012 Off-cycle security and stability update.[164]

End-of-life 12.0.x product line on June 5, 2012.

Thunderbird 13 13.0 13.0 Thunderbird 13.0 5 June 2012 Official version 13.0 release.[165]
13.0.1 Thunderbird 13.0.1 15 June 2012 Off-cycle security and stability update.[166]

End-of-life 13.0.x product line on July 17, 2012.

Thunderbird 14 14.0 14.0 Thunderbird 14.0 17 July 2012 Official version 14.0 release.[167]

End-of-life 14.0.x product line on August 28, 2012.

Thunderbird 15 15.0 15.0 Thunderbird 15.0 28 August 2012 Official version 15.0 release.[168]
15.0.1 Thunderbird 15.0.1 10 September 2012 Off-cycle security and stability update.[169]

End-of-life 15.0.x product line on October 9, 2012.

Thunderbird 16 16.0 16.0 Thunderbird 16.0 9 October 2012 Official version 16.0 release.[170]
16.0.1 Thunderbird 16.0.1 11 October 2012 Off-cycle security and stability update.[171]
16.0.2 Thunderbird 16.0.2 29 October 2012 Off-cycle security and stability update.[172]

End-of-life 16.0.x product line on November 20, 2012.

Thunderbird 17 17.0 17.0esr Thunderbird 17.0esr 20 November 2012 Official version 17.0esr release.[173] Second Extended Support Release (ESR).
17.0.2esr Thunderbird 17.0.2esr 8 January 2013 Regular security and stability update.[174]
17.0.3esr Thunderbird 17.0.3esr 19 February 2013 Regular security and stability update.[175]
17.0.4esr Thunderbird 17.0.4esr 11 March 2013 Regular security and stability update.[176]
17.0.5esr Thunderbird 17.0.5esr 2 April 2013 Regular security and stability update.[177]
17.0.6esr Thunderbird 17.0.6esr 14 May 2013 Regular security and stability update.[178]
17.0.7esr Thunderbird 17.0.7esr 25 June 2013 Regular security and stability update.[179]
17.0.8esr Thunderbird 17.0.8esr 6 August 2013 Regular security and stability update.[180][181]

End-of-life 17.0.x product line on December 3, 2013.[160]

17.0.9esr Thunderbird 17.0.9esr 17 September 2013 Regular security and stability update.[182]
17.0.10esr Thunderbird 17.0.10esr 29 October 2013 Regular security and stability update.[183]
17.0.11esr Thunderbird 17.0.11esr 19 November 2013 Off-cycle security and stability update.[184]
Thunderbird 24 18.0[iii] 18.0b1 Thunderbird 18.0 Beta 1 29 November 2012 First Thunderbird 18.0 beta release.[186]
19.0 19.0b1 Thunderbird 19.0 Beta 1 18 January 2013 First Thunderbird 19.0 beta release.[187]
20.0 20.0b1 Thunderbird 20.0 Beta 1 8 March 2013 First Thunderbird 20.0 beta release.[188]
21.0 21.0b1 Thunderbird 21.0 Beta 1 10 April 2013 First Thunderbird 21.0 beta release.[189]
22.0 22.0b1 Thunderbird 22.0 Beta 1 23 May 2013 First Thunderbird 22.0 beta release.[190]
23.0 23.0b1 Thunderbird 23.0 Beta 1 3 July 2013 First Thunderbird 23.0 beta release.[191]
24.0 24.0b1 Thunderbird 24.0 Beta 1 15 August 2013 First Thunderbird 24.0 beta release (only US English).[192]
24.0b2 Thunderbird 24.0 Beta 2 29 August 2013 Second Thunderbird 24.0 beta release.
24.0b3 Thunderbird 24.0 Beta 3 11 September 2013 Third Thunderbird 24.0 beta release.
24.0 Thunderbird 24.0 17 September 2013 Official version 24.0 release.[193]
24.0.1 Thunderbird 24.0.1 11 October 2013 Security and stability update.[194]
24.1.0 Thunderbird 24.1.0 29 October 2013 Security and stability update.[195]
24.1.1 Thunderbird 24.1.1 19 November 2013 Security and stability update.[196]
24.2.0 Thunderbird 24.2.0 10 December 2013 Security and stability update.[197]
24.3.0 Thunderbird 24.3.0 4 February 2014 Security and stability update.[198]
24.4.0 Thunderbird 24.4.0 18 March 2014 Security and stability update.[199]
24.5.0 Thunderbird 24.5.0 29 April 2014 Security and stability update.[200]
24.6.0 Thunderbird 24.6.0 10 June 2014 Security and stability update.[201]
24.7.0 Thunderbird 24.7.0 22 July 2014 Security and stability update.[202]
24.8.0 Thunderbird 24.8.0 2 September 2014 Security and stability update.[203]
24.8.1 Thunderbird 24.8.1 24 September 2014 Security update.[204]
Thunderbird 31 25.0 25.0b1 Thunderbird 25.0 Beta 1 17 October 2013 First Thunderbird 25.0 beta release.[205]
26.0 26.0b1 Thunderbird 26.0 Beta 1 18 November 2013 First Thunderbird 26.0 beta release.[206]
27.0 27.0b1 Thunderbird 27.0 Beta 1 19 December 2013 First Thunderbird 27.0 beta release.[207]
28.0 28.0b1 Thunderbird 28.0 Beta 1 7 March 2014 First Thunderbird 28.0 beta release.[208]
29.0 29.0b1 Thunderbird 29.0 Beta 1 25 April 2014 First Thunderbird 29.0 beta release.[209]
30.0 30.0b1 Thunderbird 30.0 Beta 1 9 May 2014 First Thunderbird 30.0 beta release.[210]
31.0 31.0b1 Thunderbird 31.0 Beta 1 13 June 2014 First Thunderbird 31.0 beta release.[211]
31.0b2 Thunderbird 31.0 Beta 2 5 July 2014 Second Thunderbird 31.0 beta release.
31.0b3 Thunderbird 31.0 Beta 3 16 July 2014 Third Thunderbird 31.0 beta release.
31.0 Thunderbird 31.0 22 July 2014 Official version 31.0 release.[212]
31.1.0 Thunderbird 31.1.0 2 September 2014 Security and stability update.[213]
31.1.1 Thunderbird 31.1.1 9 September 2014 Stability update.[214]
31.1.2 Thunderbird 31.1.2 24 September 2014 Security and stability update.[215]
31.2.0 Thunderbird 31.2.0 14 October 2014 Security and stability update.[216]
31.3.0 Thunderbird 31.3.0 1 December 2014 Security and stability update.[217]
31.4.0 Thunderbird 31.4.0 13 January 2015 Security and stability update.[218]
31.5.0 Thunderbird 31.5.0 24 February 2015 Security and stability update.[219]
31.6.0 Thunderbird 31.6.0 31 March 2015 Security and stability update.[220]
31.7.0 Thunderbird 31.7.0 12 May 2015 Security and stability update.[221]
Thunderbird 38 32.0 32.0b1 Thunderbird 32.0 Beta 1 14 August 2014 First Thunderbird 32.0 beta release.[222]
33.0 33.0b1 Thunderbird 33.0 Beta 1 24 September 2014 First Thunderbird 33.0 beta release.[223]
34.0 34.0b1 Thunderbird 34.0 Beta 1 15 November 2014 First Thunderbird 34.0 beta release.[224]
36.0 36.0b1[i] Thunderbird 36.0 Beta 1 16 February 2015 First Thunderbird 36.0 beta release.[225]
37.0 37.0b1 Thunderbird 37.0 Beta 1 13 March 2015 First Thunderbird 37.0 beta release.[226]
38.0 38.0b1 Thunderbird 38.0 Beta 1 2 April 2015 First Thunderbird 38.0 beta release.[227]
38.0b2 Thunderbird 38.0 Beta 2 19 April 2015 Second Thunderbird 38.0 beta release.
38.0b3 Thunderbird 38.0 Beta 3 27 April 2015 Third Thunderbird 38.0 beta release.
38.0b4 Thunderbird 38.0 Beta 4 4 May 2015 Fourth Thunderbird 38.0 beta release.
38.0b5 Thunderbird 38.0 Beta 5 12 May 2015 Fiveth Thunderbird 38.0 beta release.
38.0b6 Thunderbird 38.0 Beta 6 23 May 2015 Sixth Thunderbird 38.0 beta release.
38.0.1[i] Thunderbird 38.0.1 11 June 2015 Official version 38.0.1 release.[228]
38.1.0 Thunderbird 38.1.0 9 July 2015 Official version 38.1.0 release.[229]
38.2.0 Thunderbird 38.2.0 14 August 2015 Official version 38.2.0 release.[230]
38.3.0 Thunderbird 38.3.0 29 September 2015 Official version 38.3.0 release.[231]
38.4.0 Thunderbird 38.4.0 23 November 2015 Official version 38.4.0 release.[232]
38.5.0 Thunderbird 38.5.0 23 December 2015 Official version 38.5.0 release.[233]
38.5.1 Thunderbird 38.5.1 7 January 2016 Official version 38.5.1 release.[234]
38.6.0 Thunderbird 38.6.0 16 February 2016 Official version 38.6.0 release.[235]
38.7.0 Thunderbird 38.7.0 14 March 2016 Official version 38.7.0 release.[236]
38.7.1 Thunderbird 38.7.1 25 March 2016 Official version 38.7.1 release.[237]
38.7.2 Thunderbird 38.7.2 4 April 2016 Official version 38.7.2 release.[238]
38.8.0 Thunderbird 38.8.0 4 May 2016 Official version 38.8.0 release.[239]
Thunderbird 45 40.0 40.0b1[i] Thunderbird 40.0 Beta 1 27 July 2015 Thunderbird 40.0 beta release.[240]
41.0 41.0b1 Thunderbird 41.0 Beta 1 10 September 2015 First Thunderbird 41.0 beta release.[241]
41.0b2 Thunderbird 41.0 Beta 2 17 September 2015 Second Thunderbird 41.0 beta release.
42.0 42.0b1 Thunderbird 42.0 Beta 1 5 October 2015 First Thunderbird 42.0 beta release.[242]
42.0b2 Thunderbird 42.0 Beta 2 13 October 2015 Second Thunderbird 42.0 beta release.
43.0 43.0b1 Thunderbird 43.0 Beta 1 31 December 2015 First Thunderbird 43.0 beta release.[243]
44.0 44.0b1 Thunderbird 44.0 Beta 1 14 January 2016 First Thunderbird 44.0 beta release.[244]
45.0 45.0b1 Thunderbird 45.0 Beta 1 3 February 2016 First Thunderbird 45.0 beta release.[245]
45.0b2 Thunderbird 45.0 Beta 2 20 February 2016 Second Thunderbird 45.0 beta release.
45.0b3 Thunderbird 45.0 Beta 3 29 March 2016 Third Thunderbird 45.0 beta release.
45.0b4 Thunderbird 45.0 Beta 4 5 April 2016 Fourth Thunderbird 45.0 beta release.
45.0 Thunderbird 45.0 12 April 2016 Official version 45.0 release.[246]
45.1b1 Thunderbird 45.1 Beta 1 29 April 2016 First Thunderbird 45.1 beta release.[247]
45.1.0 Thunderbird 45.1.0 10 May 2016 Official version 45.1.0 release.[248]
45.1.1 Thunderbird 45.1.1 31 May 2016 Official version 45.1.1 release.[249]
45.2b1 Thunderbird 45.2 Beta 1 20 May 2016 First Thunderbird 45.2 beta release.[250]
45.2.0 Thunderbird 45.2.0 30 June 2016 Official version 45.2.0 release.[251]
45.3.0 Thunderbird 45.3.0 30 August 2016 Official version 45.3.0 release.[252]
45.4.0 Thunderbird 45.4.0 4 October 2016 Official version 45.4.0 release.[253]
45.5.0 Thunderbird 45.5.0 21 November 2016 Official version 45.5.0 release.[254]
45.5.1 Thunderbird 45.5.1 30 November 2016 Official version 45.5.1 release.[255]
45.6.0 Thunderbird 45.6.0 28 December 2016 Official version 45.6.0 release.[256]
45.7.0 Thunderbird 45.7.0 25 January 2017 Official version 45.7.0 release.[257]
45.7.1 Thunderbird 45.7.1 7 February 2017 Official version 45.7.1 release.[258]
45.8.0 Thunderbird 45.8.0 7 March 2017 Official version 45.8.0 release.[259]
Thunderbird 52 47.0 47.0b1[i] Thunderbird 47.0 Beta 1 10 June 2016 First Thunderbird 47.0 beta release.[260]
47.0b2 Thunderbird 47.0 Beta 2 17 June 2016 Second Thunderbird 47.0 beta release.
49.0 49.0b1[i] Thunderbird 49.0 Beta 1 2 September 2016 First Thunderbird 49.0 beta release.[261]
50.0 50.0b1 Thunderbird 50.0 Beta 1 8 October 2016 First Thunderbird 50.0 beta release.[262]
50.0b2 Thunderbird 50.0 Beta 2 17 October 2016 Second Thunderbird 50.0 beta release.
50.0b3 Thunderbird 50.0 Beta 3 28 October 2016 Third Thunderbird 50.0 beta release.
51.0 51.0b1 Thunderbird 51.0 Beta 1 11 January 2017 First Thunderbird 51.0 beta release.[263]
51.0b2 Thunderbird 51.0 Beta 2 18 January 2017 Second Thunderbird 51.0 beta release.
52.0 52.0b1 Thunderbird 52.0 Beta 1 27 January 2017 First Thunderbird 52.0 beta release.[264]
52.0b2 Thunderbird 52.0 Beta 2 10 February 2017 Second Thunderbird 52.0 beta release.
52.0b3 Thunderbird 52.0 Beta 3 15 February 2017 Third Thunderbird 52.0 beta release.
52.0b4 Thunderbird 52.0 Beta 4 24 February 2017 Fourth Thunderbird 52.0 beta release.
52.0 Thunderbird 52.0 5 April 2017 Official version 52.0 release.[265]
52.0.1 Thunderbird 52.0.1 14 April 2017 Official version 52.0.1 release.[266]
52.1.0 Thunderbird 52.1.0 1 May 2017 Official version 52.1.0 release.[267]
52.1.1 Thunderbird 52.1.1 15 May 2017 Official version 52.1.1 release.[268]
52.2.0 Thunderbird 52.2.0 14 June 2017 Official version 52.2.0 release.[269]
52.2.1 Thunderbird 52.2.1 23 June 2017 Official version 52.2.1 release.[270]
52.3.0 Thunderbird 52.3.0 16 August 2017 Official version 52.3.0 release.[271]
52.4.0 Thunderbird 52.4.0 6 October 2017 Official version 52.4.0 release.[272]
52.5.0 Thunderbird 52.5.0 23 November 2017 Official version 52.5.0 release.[273]
52.5.2[i] Thunderbird 52.5.2 22 December 2017 Official version 52.5.2 release.[274]
52.6.0 Thunderbird 52.6.0 25 January 2018 Official version 52.6.0 release.[275]
52.7.0 Thunderbird 52.7.0 23 March 2018 Official version 52.7.0 release.[276]
52.8.0 Thunderbird 52.8.0 18 May 2018 Official version 52.8.0 release.[277]
52.9.0 Thunderbird 52.9.0 3 July 2018 Official version 52.9.0 release.[278]
52.9.1 Thunderbird 52.9.1 10 July 2018 Official version 52.9.1 release.[279]

Last release to support Windows XP, Windows Server 2003 (and R2), Windows Server 2008 and Windows Vista.[280]

Thunderbird 60 53.0 53.0b1 Thunderbird 53.0 Beta 1 7 April 2017 First Thunderbird 53.0 beta release.[281]
53.0b2 Thunderbird 53.0 Beta 2 19 April 2017 Second Thunderbird 53.0 beta release.
54.0 54.0b1 Thunderbird 54.0 Beta 1 18 May 2017 First Thunderbird 54.0 beta release.[282]
54.0b2 Thunderbird 54.0 Beta 2 24 May 2017 Second Thunderbird 54.0 beta release.
54.0b3 Thunderbird 54.0 Beta 3 2 June 2017 Third Thunderbird 54.0 beta release.
55.0 55.0b2[i] Thunderbird 55.0 Beta 2 15 July 2017 First Thunderbird 55.0 beta release.[283]
56.0 56.0b1 Thunderbird 56.0 Beta 1 5 August 2017 First Thunderbird 56.0 beta release.[284]
56.0b2 Thunderbird 56.0 Beta 2 10 August 2017 Second Thunderbird 56.0 beta release.
56.0b3 Thunderbird 56.0 Beta 3 19 August 2017 Third Thunderbird 54.0 beta release.
56.0b4 Thunderbird 56.0 Beta 4 17 October 2017 Fourth Thunderbird 56.0 beta release.
57.0 57.0b1 Thunderbird 57.0 Beta 1 10 November 2017 First Thunderbird 57.0 beta release.

Thunderbird follows Firefox's Quantum design with rectangular tabs and many other changes.[285]

57.0b2 Thunderbird 57.0 Beta 2 18 November 2017 Second Thunderbird 57.0 beta release.
58.0 58.0b1 Thunderbird 58.0 Beta 1 27 November 2017 First Thunderbird 58.0 beta release.[286]
58.0b2 Thunderbird 58.0 Beta 2 8 December 2017 Second Thunderbird 58.0 beta release.
58.0b3 Thunderbird 58.0 Beta 3 5 January 2018 Third Thunderbird 58.0 beta release.
59.0 59.0b1 Thunderbird 59.0 Beta 1 10 February 2018 First Thunderbird 59.0 beta release.[287]
59.0b2 Thunderbird 59.0 Beta 2 1 March 2018 Second Thunderbird 59.0 beta release.
60.0 60.0b1 Thunderbird 60.0 Beta 1 26 March 2018 First Thunderbird 60.0 beta release.[288]
60.0b2 Thunderbird 60.0 Beta 2 5 April 2018 Second Thunderbird 60.0 beta release.
60.0b3 Thunderbird 60.0 Beta 3 14 April 2018 Third Thunderbird 60.0 beta release.
60.0b4 Thunderbird 60.0 Beta 4 21 April 2018 Fourth Thunderbird 60.0 beta release.
60.0b5 Thunderbird 60.0 Beta 5 27 April 2018 Fiveth Thunderbird 60.0 beta release.
60.0b6 Thunderbird 60.0 Beta 6 4 May 2018 Sixth Thunderbird 60.0 beta release.
60.0b7 Thunderbird 60.0 Beta 7 8 June 2018 Seventh Thunderbird 60.0 beta release.
60.0b8 Thunderbird 60.0 Beta 8 21 June 2018 Eighth Thunderbird 60.0 beta release.
60.0b9 Thunderbird 60.0 Beta 9 26 June 2018 Nineth Thunderbird 60.0 beta release.
60.0b10 Thunderbird 60.0 Beta 10 10 July 2018 Tenth Thunderbird 60.0 beta release.
60.0b11 Thunderbird 60.0 Beta 11 4 September 2018 Eleventh Thunderbird 60.0 beta release.
60.0 Thunderbird 60.0 6 August 2018 Official version 60.0 release.

Thunderbird follows Firefox' Photon design with rectangular tabs and many other theme changes.[289]

60.2.1[i] Thunderbird 60.2.1 2 October 2018 Official version 60.2.1 release.[290]
60.3.0 Thunderbird 60.3.0 31 October 2018 Official version 60.3.0 release.[291]
60.3.1 Thunderbird 60.3.1 15 November 2018 Official version 60.3.1 release.[292]
60.3.2 Thunderbird 60.3.2 30 November 2018 Official version 60.3.2 release.[293]
60.3.3 Thunderbird 60.3.3 5 December 2018 Official version 60.3.3 release.[294]
60.4.0 Thunderbird 60.4.0 20 December 2018 Official version 60.4.0 release.[295]
60.5.0 Thunderbird 60.5.0 29 January 2019 Official version 60.5.0 release.[296]
60.5.1 Thunderbird 60.5.1 14 February 2019 Official version 60.5.1 release.[297]
60.5.2 Thunderbird 60.5.2 25 February 2019 Official version 60.5.2 release.[298]
60.5.3 Thunderbird 60.5.3 5 March 2019 Official version 60.5.3 release.[299]
60.6.0 Thunderbird 60.6.0 19 March 2019 Official version 60.6.0 release.[300]
60.6.1 Thunderbird 60.6.1 25 March 2019 Official version 60.6.1 release.[301]
60.7.0 Thunderbird 60.7.0 21 May 2019 Official version 60.7.0 release.[302]
60.7.1 Thunderbird 60.7.1 13 June 2019 Official version 60.7.1 release.[303]
60.8.0 Thunderbird 60.8.0 9 July 2019 Official version 60.8.0 release.[304]
60.9.0 Thunderbird 60.9.0 3 September 2019 Official version 60.9.0 release.[304]
Thunderbird 68 63.0 63.0b1[i] Thunderbird 63.0 Beta 1 11 October 2018 First Thunderbird 63.0 beta release.[305]
64.0 64.0b1 Thunderbird 64.0 Beta 1 26 October 2018 First Thunderbird 64.0 beta release.[306]
64.0b2 Thunderbird 64.0 Beta 2 9 November 2018 Second Thunderbird 64.0 beta release.
64.0b3 Thunderbird 64.0 Beta 3 21 November 2018 Third Thunderbird 64.0 beta release.
64.0b4 Thunderbird 64.0 Beta 4 2 December 2018 Fourth Thunderbird 64.0 beta release.
65.0 65.0b1 Thunderbird 65.0 Beta 1 30 December 2018 First Thunderbird 65.0 beta release.[307]
65.0b2 Thunderbird 65.0 Beta 2 10 January 2019 Second Thunderbird 65.0 beta release.
65.0b3 Thunderbird 65.0 Beta 3 21 January 2019 Third Thunderbird 64.0 beta release.
65.0b4 Thunderbird 65.0 Beta 4 29 January 2019 Fourth Thunderbird 65.0 beta release.
66.0 66.0b1 Thunderbird 66.0 Beta 1 12 February 2019 First Thunderbird 66.0 beta release.[308]
66.0b2 Thunderbird 66.0 Beta 2 21 February 2019 Second Thunderbird 66.0 beta release.
66.0b3 Thunderbird 66.0 Beta 3 8 March 2019 Third Thunderbird 66.0 beta release.
67.0 67.0b1 Thunderbird 67.0 Beta 1 2 April 2019 First Thunderbird 67.0 beta release.[309]
67.0b2 Thunderbird 67.0 Beta 2 26 April 2019 Second Thunderbird 67.0 beta release.
67.0b3 Thunderbird 67.0 Beta 3 10 May 2019 Third Thunderbird 67.0 beta release.
68.0 68.0b1 Thunderbird 68.0 Beta 1 14 June 2019 First Thunderbird 68.0 beta release.[310]
68.0 Thunderbird 68.0 9 July 2019 Official version 68.0 release.[304]
68.1.0 Thunderbird 68.1.0 3 September 2019 Official version 68.1.0 release.[304]
68.2.0 Thunderbird 68.2.0 22 October 2019 Official version 68.2.0 release.[304]
68.3.0 Thunderbird 68.3.0 10 December 2019 Official version 68.3.0 release.[304]
Name Gecko version Version Codename Release date Significant changes

Notes[edit]

  1. ^ a b c d e f g h i j k l m n o This release skips a version number which was not released.
  2. ^ a b c d This release skips a few version numbers which were not released.
  3. ^ Mozilla changed its release schedule for Thunderbird as of version 17,[185] which resulted in omitted major version numbers between successive releases.

Release compatibility[edit]

Operating system Latest stable version Support status
Microsoft Windows 7, Server 2008 R2 and later 60.7.1 2009–present
XP, Server 2003, Vista, Server 2008 52.9.1[280] 2003–2018
2000, XP (RTM, SP1), Server 2003 (RTM) 10.0.12esr and 12.0.1 2003–2013
NT 4 / 98 / ME 2.0.0.24 2003–2010
95 1.5.0.14 2003–2007
OS X 10.910.14 60.7.1 2013–present
10.610.8 45.8.0 2009–2017
10.5 (IA-32,x86-64) 10.0.12esr and 16.0.2 2007–2013
10.410.5 (PPC) 3.1.20 2005–2012
10.210.3 2.0.0.24 2003–2010
10.010.1 1.0.8 2003–2006
Linux kernel  (with some libraries e.g. GTK+ 3.4 or higher) 60.7.1 (i686, x86_64) 2003–present
Solaris 10 – 11 and OpenSolaris 52.0 2005–2017
8 – 9 2.0.0.24 2003–2010
Sun Java Desktop System 1.0.2 2004–2005
OS/2 and eComStation 8.0 2003–2011
10.0.12[311] Unofficial

Development history[edit]

On 23 December 2004, the Project Lightning was announced for tightly integrating calendar functionality (scheduling, tasks, etc.) into Thunderbird. Lightning is just a project name, not a product name. Lightning 0.1 was released on 14 March 2006. The current version is 2.6, as at Thunderbird 24.01 release.

On 11 October 2006, Qualcomm and the Mozilla Foundation announced that "future versions of Eudora will be based upon the same technology platform as the open source Mozilla Thunderbird email program." The project is code-named Penelope. An unofficial Eudora/Penelope forum is accessible via web or newsreader.

On 26 July 2007, the Mozilla Foundation announced that Thunderbird would be developed by an independent organization, because the Mozilla Corporation (the for profit portion of Mozilla) is focusing on Mozilla Firefox development. This change was made in order to stimulate development in Thunderbird, which was being neglected during the Mozilla focus on Firefox.[312]

On 17 September 2007, the Mozilla Foundation announced the funding of a new internet communications initiative with Dr. David Ascher of ActiveState. The purpose of this initiative is "to develop Internet communications software based on the Thunderbird product, code and brand".

On 19 February 2008, Mozilla Messaging started operations as a subsidiary of the Mozilla Foundation responsible for the development of email and similar communications. Its initial focus was on the next major version, Thunderbird 3.0, which was released on 8 December 2009.

On 6 July 2012, the Mozilla Foundation announced that while they will no longer be focused on innovations for Thunderbird, they would provide support until the second half of 2013. In addition, future Thunderbird development will be transitioned to a community-driven model.[313]

See also[edit]

Notes[edit]

  1. ^ Hicks, Jon (20 April 2004). "Thunderbird". Hicks Journal. Retrieved 5 December 2016.
  2. ^ "Thunderbird 0.1 Release Notes". mozillamessaging.com. 28 July 2003. Retrieved 7 July 2011.
  3. ^ "Thunderbird 0.2 Release Notes". mozillamessaging.com. 3 September 2003. Retrieved 7 July 2011.
  4. ^ "Thunderbird 0.3 Release Notes". mozillamessaging.com. 17 October 2003. Retrieved 7 July 2011.
  5. ^ "Thunderbird 0.4 Release Notes". mozillamessaging.com. 7 December 2003. Retrieved 7 July 2011.
  6. ^ "Thunderbird 0.5 Release Notes". mozillamessaging.com. 9 February 2004. Retrieved 7 July 2011.
  7. ^ "Thunderbird 0.6 Release Notes". mozillamessaging.com. 3 May 2004. Retrieved 7 July 2011.
  8. ^ "Thunderbird 0.7 Release Notes". mozillamessaging.com. 16 June 2004. Retrieved 12 February 2011.
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  10. ^ "Thunderbird 0.8 Release Notes". mozillamessaging.com. 14 September 2004. Retrieved 7 July 2011.
  11. ^ "Thunderbird 0.9 Release Notes". mozillamessaging.com. 3 November 2004. Retrieved 12 February 2011.
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  13. ^ "Thunderbird 1.0 Release Notes". mozillamessaging.com. 7 December 2004. Retrieved 7 July 2011.
  14. ^ "Thunderbird 1.0.2 Release Notes". mozillamessaging.com. 21 March 2005. Retrieved 7 July 2011.
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  16. ^ "Thunderbird 1.0.6 Release Notes". mozillamessaging.com. 19 July 2005. Retrieved 7 July 2011.
  17. ^ "Thunderbird 1.0.7 Release Notes". mozillamessaging.com. 29 September 2005. Retrieved 7 July 2011.
  18. ^ "Thunderbird 1.0.8 Release Notes". mozillamessaging.com. 21 April 2006. Retrieved 7 July 2011.
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  21. ^ "Thunderbird 1.5 Beta 1 Release Notes". mozillamessaging.com. 9 September 2005. Retrieved 7 July 2011.
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  33. ^ "Thunderbird 1.5.0.12 Release Notes". mozillamessaging.com. 30 May 2007. Retrieved 7 July 2011.
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  35. ^ "Thunderbird 1.5.0.14 Release Notes". mozillamessaging.com. 19 December 2007. Retrieved 7 July 2011.
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  52. ^ "Thunderbird 2.0.0.22 Release Notes". mozillamessaging.com. 22 June 2009. Retrieved 7 July 2011.
  53. ^ "Thunderbird 2.0.0.23 Release Notes". mozillamessaging.com. 20 August 2009. Retrieved 7 July 2011.
  54. ^ "Thunderbird 2.0.0.24 Release Notes". mozillamessaging.com. 15 March 2010. Retrieved 7 July 2011.
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  59. ^ "Thunderbird 3.0 Beta 2 Release Notes". mozillamessaging.com. 26 February 2009. Retrieved 7 July 2011.
  60. ^ "Thunderbird 3.0 Beta 3 Release Notes". mozillamessaging.com. 21 July 2009. Retrieved 7 July 2011.
  61. ^ "Thunderbird 3.0 Beta 4 Release Notes". mozillamessaging.com. 22 September 2009. Retrieved 7 July 2011.
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  63. ^ "Thunderbird 3.0 RC 2 Release Notes". mozillamessaging.com. 1 December 2009. Retrieved 7 July 2011.
  64. ^ "Thunderbird 3.0 Release Notes". mozillamessaging.com. 8 December 2009. Retrieved 7 July 2011.
  65. ^ "Thunderbird 3.0.1 Release Notes". mozillamessaging.com. 20 January 2010. Retrieved 7 July 2011.
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  67. ^ "Thunderbird 3.0.3 Release Notes". mozillamessaging.com. 1 March 2010. Retrieved 7 July 2011.
  68. ^ "Thunderbird 3.0.4 Release Notes". mozillamessaging.com. 30 March 2010. Retrieved 7 July 2011.
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  72. ^ "Thunderbird 3.0.8 Release Notes". mozillamessaging.com. 16 September 2010. Retrieved 7 July 2011.
  73. ^ "Thunderbird 3.0.9 Release Notes". mozillamessaging.com. 19 October 2010. Retrieved 7 July 2011.
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  76. ^ "Lanikai Alpha 1 Release Notes". mozillamessaging.com. 3 February 2010. Retrieved 7 July 2011.
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  81. ^ "Thunderbird 3.1 Release Notes". mozillamessaging.com. 24 June 2010. Retrieved 7 July 2011.
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External links[edit]