Releases
From MozillaWiki
Upcoming Releases
Please do not edit scheduled dates if you are not a release driver.
Note: the Beta, Aurora and Nightly dates are code merge dates, not release dates.
Based on Gecko 127
Firefox 127
Firefox
Currently in BETA channel
Moves to RELEASE week of {{{date}}}
Moves to RELEASE week of {{{date}}}
Based on Gecko 54
Firefox 54
Firefox
Currently in AURORA channel
Moves to BETA week of {{{date}}}
Moves to BETA week of {{{date}}}
Thunderbird 54
Thunderbird
Currently in EARLYBIRD channel
Moves to BETA week of Week of 2013-04-01
Moves to BETA week of Week of 2013-04-01
Based on Gecko 128
Firefox 128
Firefox
Currently in NIGHTLY channel
Moves to BETA week of {{{date}}}
Moves to BETA week of {{{date}}}
Thunderbird 128
Thunderbird
Currently in DAILY channel
Moves to BETA week of Week of 2013-04-01
Moves to BETA week of Week of 2013-04-01
Next Thunderbird Major Release
Thunderbird 24
Other releases
Name | Scheduled Release Date | Links |
---|---|---|
17.0esr follow same schedule as Firefox and Thunderbird (security fixes only) | ||
Thunderbird 17.0 follows same schedule as Thunderbird 17.0esr (security fixes only) | ||
SeaMonkey follows same schedule as Firefox | ||
SeaMonkey 2.17 Based on GECKO 20 |
Currently in BETA Moves to Released on April 1st, 2013 |
Release Notes |
SeaMonkey 2.18 Based on GECKO 21 |
Currently in AURORA Moves to Beta on April 1st, 2013 |
|
SeaMonkey 2.19 Based on GECKO 22 |
Currently in NIGHTLY Moves to Aurora on April 1st, 2013 |
Previous Releases
Name | Release Date | Links |
---|---|---|
Firefox 17.0.5esr | April 2 | Release Notes |
Firefox 20.0 | April 2 | Release Notes |
SeaMonkey 2.16.2 | March 13 | Release Notes |
Thunderbird 17.0.4 | March 11 | Release Notes |
Thunderbird 17.0.4esr | March 11 | Release Notes |
SeaMonkey 2.16.1 | March 8 | Release Notes |
Firefox 19.0.2 | March 7 | Release Notes |
Firefox 17.0.4esr | March 7 | Release Notes |
Firefox 19.0.2 for Android | March 7 | Release Notes |
Firefox 19.0.1 (Windows 8 only) | February 27 | Release Notes |
SeaMonkey 2.16 | February 21 | Release Notes |
Thunderbird 17.0.3 | February 19 | Release Notes |
Thunderbird 17.0.3esr | February 19 | Release Notes |
Firefox 19.0 | February 19 | Release Notes |
Firefox 17.0.3esr | February 19 | Release Notes |
Firefox 19.0 for Android | February 19 | Release Notes |
Firefox 18.0.2 for Android | February 7 | Release Notes |
Firefox 18.0.2 | February 5 | Release Notes |
SeaMonkey 2.15.2 | February 4 | Release Notes |
SeaMonkey 2.15.1 | January 20 | Release Notes |
Firefox 18.0.1 | January 18 | Release Notes |
Firefox 18.0 | January 8 | Release Notes |
Firefox 17.0.2esr | January 8 | Release Notes |
Firefox 10.0.12esr (final Firefox 10esr release) | January 8 | Release Notes |
Firefox 18.0 for Android | January 8 | Release Notes |
SeaMonkey 2.15 | January 8 | Release Notes |
Thunderbird 17.0.2 | January 8 | Release Notes |
Thunderbird 17.0.2esr | January 8 | Release Notes |
Thunderbird 10.0.12esr | January 8 | Release Notes |
2012 | ||
---|---|---|
Name | Release Date | Links |
Firefox 17.0.1 | November 30 | Release Notes |
Firefox 17.0.1esr | November 30 | Release Notes |
SeaMonkey 2.14.1 | November 30 | Release Notes |
Firefox 17.0 | November 20 | Release Notes |
Firefox 17.0esr | November 20 | Release Notes |
Firefox 10.0.11esr | November 20 | Release Notes |
SeaMonkey 2.14 | November 20 | Release Notes |
Thunderbird 17.0 | November 20 | Release Notes |
Thunderbird 17.0esr | November 20 | Release Notes |
Thunderbird 10.0.11esr | November 20 | Release Notes |
Firefox 17.0 for Android | November 19 | Release Notes |
Thunderbird 16.0.2 | October 29 | Release Notes |
Thunderbird 10.0.10esr | October 29 | Release Notes |
Firefox 16.0.2 | October 26 | Release Notes |
Firefox 10.0.10esr | October 26 | Release Notes |
Firefox 16.0.2 for Android | October 26 | Release Notes |
SeaMonkey 2.13.1 | October 12 | Release Notes |
Firefox 10.0.9esr | October 12 | Release Notes |
Thunderbird 10.0.9esr | October 12 | Release Notes |
Firefox 16.0.1 | October 11 | Release Notes |
Firefox 16.0.1 for Android | October 11 | Release Notes |
Thunderbird 16.0.1 | October 11 | Release Notes |
SeaMonkey 2.13 | October 9 | Release Notes |
Firefox 16.0 | October 9 | Release Notes |
Firefox 10.0.8esr | October 9 | Release Notes |
Firefox 16.0 for Android | October 9 | Release Notes |
Thunderbird 16.0 | October 9 | Release Notes |
Thunderbird 10.0.8esr | October 9 | Release Notes |
SeaMonkey 2.12.1 | September 10 | Release Notes |
Thunderbird 15.0.1 | September 10 | Release Notes |
Firefox 15.0.1 for Android | September 10 | Release Notes |
Firefox 15.0.1 | September 6 | Release Notes |
SeaMonkey 2.12 | August 28 | Release Notes |
Firefox 15.0 | August 28 | Release Notes |
Firefox 10.0.7esr | August 28 | Release Notes |
Firefox 15.0 for Android | August 28 | Release Notes |
Thunderbird 15.0 | August 28 | Release Notes |
Thunderbird 10.0.7esr | August 28 | Release Notes |
SeaMonkey 2.11 | July 17 | Release Notes |
Firefox 10.0.6esr | July 17 | Release Notes |
Firefox 14.0.1 for Android | July 17 | Release Notes |
Firefox 14.0.1 | July 17 | Release Notes |
Thunderbird 14.0 | July 17 | Release Notes |
Firefox 14.0 for Android | June 26 | Release Notes |
Firefox 13.0.1 | June 15 | Build Notes |
Thunderbird 13.0.1 | June 15 | Build Notes |
SeaMonkey 2.10.1 | June 15 | |
SeaMonkey 2.10 | June 6 | |
Firefox 10.0.5esr | June 5 | |
Firefox 10.0.5 for mobile | June 5 | |
Firefox 13 | June 5 | |
SeaMonkey 2.9.1 | April 30 | |
Thunderbird 12.0.1 | April 30 | Build Notes |
Firefox 10.0.4esr | April 24 | |
Firefox 10.0.4 for mobile | April 24 | |
Firefox 12 | April 24 | |
SeaMonkey 2.9 | April 24 | |
SeaMonkey 2.8 | March 13 | |
Firefox 3.6.28 | March 13 | |
Firefox 10.0.3esr | March 13 | |
Firefox 10.0.3 for mobile | March 13 | |
Firefox 11 | March 13 | |
SeaMonkey 2.7.2 | February 17 | Build Notes |
Firefox 3.6.27 | February 17 | |
Firefox 10.0.2 | February 16 | |
Firefox 10.0.2 ESR | February 16 | |
Thunderbird 10.0.2 | February 16 | |
Thunderbird 10.0.2 ESR | February 16 | |
Thunderbird 3.1.19 | February 16 | |
Firefox 3.6.26 → 10.0.1 Advertised Update | February 14 | |
Thunderbird 10.0.1 | February 12 | |
Thunderbird 10.0.1 ESR | February 12 | |
SeaMonkey 2.7.1 | February 10 | Build Notes |
Firefox 10.0.1 | February 10 | |
Firefox 10.0.1 ESR | February 10 | |
Firefox 10.0 | January 31 | |
Firefox 10.0 ESR | January 31 | |
Firefox 3.6.26 | January 31 | |
Thunderbird 10.0 | January 31 | |
Thunderbird 10.0 ESR | January 31 | |
Thunderbird 3.1.18 | January 31 | |
SeaMonkey 2.7 | January 31 | Beta 1 Notes Beta 2 Notes Beta 3 Notes Beta 4 Notes Beta 5 Notes Final Build Notes |
Firefox 3.6.x → 9.0.1 Advertised Update | January 19 |
For releases prior to 2012, please see the archive.
Other Links (out of date)
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?
- perhaps you want to see the RapidRelease Calendar for future aurora merges, beta merges, and releases?
- maybe you are interested in checking the Feature Release Tracker for upcoming features?