This is a staging environment for whattrainisitnow.com

«  Firefox 119  »
Go to Release channel

Release DateOctober 24, 2023
Release OwnerDonal Meehan
Corresponding ESR release 115.4.0
Nightly cycle length4 weeks
Beta cycle length4 weeks
Bugs fixed in nightly 1183
Uplifts in Beta131 (16 backouts)
Uplifts in RC4 (0 backouts)
Total number of uplifts135
Betas9
Release Candidates2
Dot releases1
Release notes Consumer notes Developer notes
Key Milestones
Nightly start August 29
Beta start September 26
119.0 October 24
119.0.1 November 7