Releases
From MozillaWiki
Current Releases
Standard support
Based on Gecko 38
Firefox 38
Based on Gecko 38
Based on Gecko 38
Released on some date in the past
SeaMonkey 2.35
Based on Gecko 38
Based on Gecko 38
Released on 2015-03-10
Based on Gecko 31
Thunderbird 38.0.0
Based on Gecko 38
Based on Gecko 38
Released on some date in the past
Based on Gecko 28
Firefox OS 1.3
Based on Gecko 28
Based on Gecko 28
Released on 2014-03-17
Extended support
Based on Gecko 38
Firefox 38.0.0esr
Based on Gecko 38
Based on Gecko 38
Released on some date in the past
Upcoming Releases
NOTE: The dates listed in this section refer to the date of the code merge, not the date of release. See the branch migration calendar for more information.
Based on Gecko 39
Firefox 39
Based on Gecko 39
Based on Gecko 39
Currently in BETA channel
Moves to RELEASE week of June 23, 2015
Moves to RELEASE week of June 23, 2015
Thunderbird 39
Based on Gecko 39
Based on Gecko 39
Currently in BETA channel
SeaMonkey 2.36
Based on Gecko 39
Based on Gecko 39
Currently in BETA channel
Moves to RELEASE week of June 23, 2015
Moves to RELEASE week of June 23, 2015
Based on Gecko 40
Firefox 40
Based on Gecko 40
Based on Gecko 40
Currently in AURORA channel
Moves to BETA week of June 23, 2015
Moves to BETA week of June 23, 2015
Thunderbird 40
Based on Gecko 40
Based on Gecko 40
Currently in EARLYBIRD channel
Moves to BETA week of June 23, 2015
Moves to BETA week of June 23, 2015
SeaMonkey 2.37
Based on Gecko 40
Based on Gecko 40
Currently in AURORA channel
Moves to BETA week of June 23, 2015
Moves to BETA week of June 23, 2015
Based on Gecko 41
Firefox 41
Based on Gecko 41
Based on Gecko 41
Currently in NIGHTLY channel
Moves to AURORA week of June 23, 2015
Moves to AURORA week of June 23, 2015
Thunderbird 41
Based on Gecko 41
Based on Gecko 41
Currently in DAILY channel
Moves to EARLYBIRD week of June 23, 2015
Moves to EARLYBIRD week of June 23, 2015
SeaMonkey 2.38
Based on Gecko 41
Based on Gecko 41
Currently in NIGHTLY channel
Moves to AURORA week of June 23, 2015
Moves to AURORA week of June 23, 2015
B2G Releases
Firefox OS 1.4
Based on Gecko 30
Based on Gecko 30
Released on ??
Firefox OS 2.0
Based on Gecko 32
Based on Gecko 32
Currently in BETA channel
Moves to RELEASE week of ??
Moves to RELEASE week of ??
Firefox OS 2.1
Based on Gecko 34
Based on Gecko 34
Currently in AURORA channel
Moves to BETA week of ??
Moves to BETA week of ??
Firefox OS 2.2
Based on Gecko 37
Based on Gecko 37
Currently in NIGHTLY channel
Moves to AURORA week of ??
Moves to AURORA week of ??
Previous Releases
More details of the RapidRelease Calendar
2015
| Release | Date | Notes |
|---|---|---|
| SeaMonkey 2.33.1 | March 23 | Release Notes |
| SeaMonkey 2.33 | March 10 | Release Notes |
| Thunderbird 31.5.0 | February 24 | Release Notes |
| SeaMonkey 2.32 | January 13 | Release Notes |
| Thunderbird 31.4.0 | January 13 | Release Notes |
| Firefox 35.0 | January 13 | Release Notes |
2014 and earlier
For releases prior to 2015, see the archive.
Other Links
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?
