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- [+]2012 (21)
- [—]February (11)
- Thunderbird Release Update: February 18th, 2012
- Thunderbird 10.0.2 Released
- Thunderbird 10.0.0esr Update Issues
- Thunderbird Release Update: Febraury 11, 2012
- Thunderbird 10.0.1 Released
- Thunderbird Release Update: February 4, 2012
- Thunderbird 12 Earlybird Now Available
- Thunderbird 11 Beta now Available
- Personas: Time for a new Name
- Update: Windows 2000/XP1 Support Ending
- The Future of Thunderbird: Thunderbird 3.1, 10.0, ESR and beyond
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- [—]February (11)
- [+]2011 (110)
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- [+]2012 (21)
Thunderbird Releases

- 3.1.18 -- Jan 31st
- 10.0.0 -- Jan 31st
- 11.0 Beta -- February 3rd
- 12.0 Earlybird -- February 3rd
Current - 3.1.19 -- Mar 13th
- 11.0 Final -- Mar 13th
- 12.0 Earlybird -- Jan 31st*
- 11.0 Beta -- Jan 31st*
Upcoming
* Dates for Earlybird and Beta builds are for the code merge. Actual release date is around 1-7 days after the merge. More Info- 3.1.18 -- Jan 31st
Thunderbird Build Channels
- Daily -- Thunderbird 13
- Earlybird -- Thunderbird 12
- Beta -- Thunderbird 11
- Release -- Thunderbird 10
- Daily -- Thunderbird 13
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Category Archives: Developmental Builds
Thunderbird 12 Earlybird Now Available
Mozilla Messaging has completed the merge of Thunderbird 12 to the Early Bird developmental channel. Existing Earlybird user may be able to update within the application via Help > About Earlybird (at press time the updater was not working) otherwise … Continue reading
Thunderbird 11 Beta now Available
Mozilla Messaging has completed the merge of Thunderbird 11 to the Beta channel. What’s new in Thunderbird 11 Beta: Tabs are now shown above the toolbar New wizard to sign up for new accounts More trust options added to junk … Continue reading
Update: Windows 2000/XP1 Support Ending
Back in July we wrote that support for Windows 2000 and XP SP1 would be ending with the Thunderbird 8 release (November 8, 2011) due to Mozilla moving to C++ 2010 compiler. Thunderbird 10 was released on January 31st and … Continue reading
The Future of Thunderbird: Thunderbird 3.1, 10.0, ESR and beyond
There has been a lot happening this week with Thunderbird and a result a lot of activity on this blog recently. Here is a brief summary of what has happened so far: Thunderbird 3.1.18 Released Thunderbird 10.0 Released … Continue reading
More info to come…
I realize the last post, Thunderbird ESR Released was a bit brief. I had been waiting to post about the new ESR build until I knew for sure they were going to be released. I had seen in a couple … Continue reading
Earlybird (Thunderbird 11.0a2) Working Again
As we had reported last night, the next build was going to contain a patch to fix the issue with mozglue.dll error message. After installing a fresh copy of the 2012-01-28 Earlybird build, everything is working again. Users will need … Continue reading
Earlybird (Thunderbird 11.0a2) Currently Broken
There is a critical bug in the January 27, 2012 build of Thunderbird Earlybird (11.0a2) which is preventing the application from launching on Windows. This is believed to be the result of the check in of Bug 701371 – Rename … Continue reading
New ‘Downloads’ Sidebar Item
I have added links for Thunderbird, Lighting and Provider for Google Calendar to a new ‘Downloads’ section on the side bar. This sections has links for both the current and developmental versions (note: the same version of Provider for Google … Continue reading
Posted in Add-Ons, Blogs, Developmental Builds, General Thunderbird, Help/Support
3 Comments
Thunderbird 12: Tabs on Top
It has only taken Mozilla 8 (well, no 7 as there was no Thunderbird 5) Thunderbird releases to catch up with the UI change made in Firefox 4. The Daily builds of Thunderbird 12 now have the tab bar at … Continue reading
Thunderbird 10.0 Beta (10.0b1) Released
Mozilla has merged Thunderbird 10 on the to the Beta developmental channel on December 23rd, 2011. Existing Thunderbird Beta users can update via Help > About Thunderbird. New users can get Thunderbird Beta from Mozilla’s Future of Thunderbird site. What’s … Continue reading




