Firefox version history
In 2020, Firefox moved to a four-week release cycle, to catch up with Chrome in support for new web features. Chrome switched to a four-week cycle a year later.
Firefox
Firefox ; 115 ( ESR ), 5 months and 2 weeks ago. (04 Jul 2023). Ends in 9 months. (01 Oct 2024) ; 114, 6 months ago. (06 Jun 2023). Ended 5 months and 2 weeks ago.
Firefox ESR release cycle
The ESR release is based on the regular release cycle of Firefox for desktop. Release cycle details. ESR releases are maintained for more than a year ...
Firefox ESR release cycle
ESR releases are maintained for more than a year, with point releases that coincide with regular Firefox releases. These point releases contain security ...
Firefox ESR schedule
Releases calendar. Firefox, ESR, Old ESR, Date. 121, 115.6, December 19. 122, 115.7, January 23. 123, 115.8, February 20. 124, 115.9, March 19.
Releases
Upcoming Firefox release dates are listed at whattrainisitnow.com. Thunderbird approximately (i.e. not strictly) follows the ESR schedule listed there. Past ...
The Firefox release process
2022年11月3日 — Firefox Nightly is released every 24 hours · Firefox Beta is released once a week for Android, leaving us with 3 to 4 betas every cycle.
Firefox ESR Release Notes
Release Notes tell you what's new in Firefox. As always, we welcome ... Firefox ESR. November 21, 2023. Version 115.5.0, first offered to ESR ...