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Thunderbird Releases

- 10.0.4 ESR -- April 24th
- 12.0.1 --April 30th
- 13.0 Beta --April 26th
- 14.0 Earlybird -- April 27th
Current - 10.0.5 ESR -- June 5th
- 13.0 -- June 5th*
- 14.0 Beta -- June 5th*
- 15.0 Earlybird --June 5th*
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- 10.0.4 ESR -- April 24th
Thunderbird Build Channels
- Daily -- Thunderbird 15
- Earlybird -- Thunderbird 14
- Beta -- Thunderbird 13
- Release -- Thunderbird 12
- Daily -- Thunderbird 15
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Category Archives: Developmental Builds
Mozilla Introduces Thunderbird ‘Up For Grabs’ Program
Mozilla announced on Monday (May 7th) they are looking for freelance help with their wishlist of features they would like to the Thunderbird roadmap. The idea is really simple: there are plenty of features we would love to add to … Continue reading
Thunderbird Release Update: April 28th, 2012
Just Released April 24th Thunderbird ESR 10.0.4 Thunderbird 12.0.0 April 26th Thunderbird 13 Beta (13.0b1)* April 27th Thunderbird 14 Earlybird (14.0a2)* Coming Soon June 5th Thunderbird ESR 10.0.5 Thunderbird 13 Thunderbird 14 Beta (14.0b1)* Thunderbird 15 Earlybird (15.0a2)* Future Releases … Continue reading
Thunderbird Earlybird and Beta Builds Available for Testing
Mozilla Messaging competed the merge for Thunderbird 13 Beta on April 26th and Thunderbird 14 Earlybird on April 27th. Existing Earlybird and Beta users can update (within the same build) to the newest version by going to Help > About … Continue reading
Thunderbird Release Update: March 17, 2012
Just Released March 14th Thunderbird 3.1.20 Thunderbird ESR 10.0.3 Thunderbird 11.0.0 March 15th Thunderbird 12 Beta (12.0b1)* Thunderbird 13 Earlybird (13.0a2)* Coming Soon April 24th Thunderbird 3.1.21 *LAST RELEASE ON 3.1.x BRANCH* Thunderbird ESR 10.0.4 Thunderbird 12 Final Thunderbird 13 … Continue reading
Thunderbird 11: Tabs on Top Terrible
One of the big new features (as far as the developers were concerned) with Thunderbird 11 was having the tabs on top. It is suppose to “facilitates navigation and make it more contextual”. Um…what the heck is that suppose to … Continue reading
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





