«  Firefox 145  »

Release DateNovember 11, 2025
Release OwnerPascal Chevrel
Corresponding ESR releases 140.5.0 · 115.30.0?
Nightly cycle length4 weeks
Beta cycle length4 weeks
Bugs fixed in nightly 1860
Uplifts in beta182 (0 backouts)
Uplifts in RC6 (0 backouts)
Uplifts in dot releases41 (0 backouts)
Total number of uplifts229
Betas9
Release Candidates2
Dot releases2
Release notes General · Developer · Enterprise
Key Milestones
Nightly start September 16
Beta start October 14
145.0 6% adoption November 11
145.0.1 27% adoption November 18
145.0.2 50% adoption 100% rollout November 25