| Release Date | October 14, 2025 |
|---|---|
| Release Owner | Donal Meehan |
| Corresponding ESR releases | 140.4.0 · 115.29.0? |
| Nightly cycle length | 4 weeks |
| Beta cycle length | 4 weeks |
| Bugs fixed in nightly | 1789 |
| Uplifts in beta | 142 (0 backouts) |
| Uplifts in RC | 12 (0 backouts) |
| Uplifts in dot releases | 34 (0 backouts) |
| Total number of uplifts | 188 |
| Betas | 9 |
| Release Candidates | 2 |
| Dot releases | 2 |
| Release notes | Consumer notes ⁘ Developer notes |
| Key Milestones | |
|---|---|
| Nightly start | August 19 |
| Beta start | September 16 |
| 144.0 78% adoption | October 14 |
| 144.0.1 Android-only | October 21 |
| 144.0.2 25% rollout | October 28 |