Releases
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This is a page for tracking in-progress releases. For maintenance releases, we use a general checklist to ensure we don't miss anything.
- perhaps you'd like to see who release drivers for various releases are?
- or perhaps you'd like to learn more about the priority rankings we assign to releases?
- you might even wonder how we use flags to manage our releases?
- or what branches exist and when they branched?
- perchance you're confused about update terminology?
- maybe you'd like to know about our various branch support levels?
Upcoming Releases
Please do not edit scheduled dates if you are not a release driver.
| Name | Scheduled Release Date | Links |
|---|---|---|
| Firefox 5 | June 21 | |
| Advertised/prompted MU FF3.5.19->4.0.1, FF3.6.17->4.0.1 | May 05 | |
| Firefox 4 Macaw | April 28 | |
| Firefox 3.6.17 | April 28 | |
| Firefox 3.5.19 | April 28 | |
| Thunderbird 3.1.10 | April 28 | |
| SeaMonkey 2.0.14 | April 28 (In step with Firefox 3.5.19) | Build |
| Firefox 4.0.1 for mobile | April 28 | Build, QA |
| SeaMonkey 2.1 | TBD | Build |
Previous Releases
| Name | Release Date | Links |
|---|---|---|
| SeaMonkey 2.1b3 | April 8 | Build |
| Firefox 4.0 for mobile | March 29 | Build, QA |
| SeaMonkey 2.0.13 | March 23 | Build |
| Firefox 4.0 | March 22 | Build, QA |
| Firefox 3.6.16 | March 22 | Build |
| Firefox 3.5.18 | March 22 | Build |
| Firefox 4 for mobile RC1 | March 21 | Build, QA |
| Thunderbird 3.3 Alpha 3 | March 15 | |
| Firefox 4.0 RC1 | March 9 | Build, QA |
| Firefox 3.6.15 | March 4 | |
| Thunderbird 3.1.9 | March 4 | |
| SeaMonkey 2.0.12 | March 2 | Build |
| Firefox 3.6.14 | March 1 | Build, QA |
| Firefox 3.5.17 | March 1 | Build, QA |
| Thunderbird 3.1.8 | March 1 | |
| Add-on SDK 1.0b3 | March 1 | |
| Firefox 4.0 Beta 12 | February 25 | Build, QA |
| Firefox 4 for mobile Beta 5 | February 23 (details) | Build, QA |
| SeaMonkey 2.1b2 | February 14 | Build |
| Firefox 4.0 Beta 11 | February 8 | Build, QA |
| Fennec 4.0 Beta 4 | February 1 (details) | Build, QA |
| Firefox 4.0 Beta 10 | January 25 | Build, QA |
| Thunderbird 3.3 Alpha 2 | January 20 | |
| Firefox 4.0 Beta 9 | January 14 | Build, QA |
For releases prior to 2011, please see the archive.