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- Mozilla Thunderbird
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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
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
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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
Thunderbird Release Update: December 17, 2011
Just Released None Coming Soon December 20th Thunderbird 9 Final Release Thunderbird 10 Beta (10.0b1)* Thunderbird 11 Earlybird (10.0a2)* Future Releases January 31st, 2012 Thunderbird 10 Final Release Thunderbird 11 Beta (11.0b1)* Thunderbird 12 Earlybird (12.0a2)* * As part of … Continue reading
No Thunderbird 8.0.1
There has been some confusion as to what is the most current version of Thunderbird. Thunderbird 8.0 released on November 8, 2011 is the most current version of Thunderbird. Mozilla did release an update for Firefox (8.0.1) on November 21st, … Continue reading
Thunderbird Win x86 64-Bit Builds
Much like Firefox, there are some unofficial 64-Bit builds for Thunderbird. They can be found here. However, at this time the most latest version is Thunderbird 7.0.0 (release is 8.0.0). As with any other developmental build, use at your own … Continue reading





