Last updated: 23 Jun 2009
Official Thunderbird release notes usually only stress on new functionality added. The Rumbling Edge unofficial Thunderbird changelogs seek to provide a more detailed alternative.
Active branches:
- Gecko 1.9.1 Trunk (Aug 2005 – )
- Gecko 1.8.1.x branch (Jan 2006 – )
Branches with discontinued development:
- Gecko 1.8.0.x branch (Jan 2006 – Dec 2007)
- Gecko 1.8 branch (Jun 2005 – Jan 2006)
- Aviary branch (May 2004 – Apr 2006)
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Gecko 1.9.1 trunk: (There will not be a stable release of Thunderbird based on Gecko 1.9.0.x)
- What’s new in Thunderbird 3 Beta 3 … (Not yet released)
- What’s new in Thunderbird 3 Beta 2 … (Released on 26 Feb 2009)
- What’s new in Thunderbird 3 Beta 1 … (Released on 09 Dec 2008)
- What’s new in Shredder Alpha 3 … (Released on 14 Oct 2008)
- What’s new in Shredder Alpha 2 … (Released on 12 Aug 2008)
- What’s new in Shredder Alpha 1 … (Released on 13 May 2008)
- What’s new in Trunk … (since 12 August 2005) | HOWTO: Use DOM Inspector to examine Thunderbird’s UI
- What’s new in Thunderbird 2.0.0.23 … (Not yet released)
- What’s new in Thunderbird 2.0.0.22 … (Released on 23 Jun 2009)
- What’s new in Thunderbird 2.0.0.21 … (Released on 18 Mar 2009)
- What’s new in Thunderbird 2.0.0.19 … (Released on 30 Dec 2008)
- What’s new in Thunderbird 2.0.0.18 … (Released on 19 Nov 2008)
- What’s new in Thunderbird 2.0.0.17 … (Released on 25 Sep 2008)
- What’s new in Thunderbird 2.0.0.16 … (Released on 23 Jul 2008)
- What’s new in Thunderbird 2.0.0.14 … (Released on 01 May 2008)
- What’s new in Thunderbird 2.0.0.12 … (Released on 26 Feb 2008)
- <- Results of Thunderbird 2 survey held from end-Oct to mid-Nov 2007: part 1, part 2, part 3 ->
- What’s new in Thunderbird 2.0.0.9 … (Released on 14 Nov 2007)
- What’s new in Thunderbird 2.0.0.6 … (Released on 01 Aug 2007)
- What’s new in Thunderbird 2.0.0.5 … (Released on 19 Jul 2007)
- What’s new in Thunderbird 2.0.0.4 … (Released on 14 Jun 2007)
- What’s new in Thunderbird 2 … (Released on 18 Apr 2007)
- What’s new in Thunderbird 2.0.0.0 Release Candidate 1 … (Released on 06 Apr 2007)
- What’s new in Thunderbird 2 Beta 2 … (Released on 23 Jan 2007)
- What’s new in Thunderbird 2.0 Beta 1 … (Released on 12 Dec 2006)
- What’s new in Thunderbird 2.0 Alpha 1 – Part 1 of 2 … (Released on 28 Jul 2006)
- What’s new in Thunderbird 2.0 Alpha 1 – Part 2 of 2 … (Released on 28 Jul 2006)
Gecko 1.8.0.x branch: (Official development ceased as of 1.5.0.14 release)
- What’s new in Thunderbird 1.5.0.14 … (Released on 19 Dec 2007)
- What’s new in Thunderbird 1.5.0.13 … (Released on 23 Aug 2007)
- What’s new in Thunderbird 1.5.0.12 … (Released on 30 May 2007)
- What’s new in Thunderbird 1.5.0.10 … (Released on 01 Mar 2007)
- What’s new in Thunderbird 1.5.0.9 … (Released on 19 Dec 2006)
- What’s new in Thunderbird 1.5.0.8 … (Released on 07 Nov 2006)
- What’s new in Thunderbird 1.5.0.7 … (Released on 14 Sep 2006)
- What’s new in Thunderbird 1.5.0.5 … (Released on 27 Jul 2006)
- What’s new in Thunderbird 1.5.0.4 … (Released on 01 Jun 2006)
- What’s new in Thunderbird 1.5.0.2 … (Released on 21 Apr 2006)
Gecko 1.8 trunk: (Eventually became Gecko 1.9 after 1.8.0.x and 1.8.1.x branched out)
- What’s new in Thunderbird 1.5 – Comprehensive … (Released on 11 Jan 2006)
- What’s new in Thunderbird 1.5 Release Candidate 2 … (Released on 21 Dec 2005)
- What’s new in Thunderbird 1.5 Release Candidate 1 … (Released on 05 Nov 2005)
- What’s new in Thunderbird 1.5 Beta 2 …………………… (Released on 08 Oct 2005)
- What’s new in Thunderbird 1.5 Beta 1 …………………… (Released on 10 Sep 2005)
- What’s new in Thunderbird 1.1 Alpha 2 …………………. (Released on 17 Jul 2005)
- What’s new in Thunderbird 1.1 Alpha 1 …………………. (Released on 01 Jun 2005)
Aviary branch: (Official development ceased as of 1.0.8 release):
- What’s new in Thunderbird 1.0.8 … (Released on 21 Apr 2006)
- What’s new in Thunderbird 1.0.7 … (Released on 30 Sep 2005)
- What’s new in Thunderbird 1.0.6 … (Released on 20 Jul 2005)
- What’s new in Thunderbird 1.0.5 … (Released on 14 Jul 2005)
Releases prior to Jun 2005 (Mostly without changelog)
