| Release Date | December 9, 2025 |
|---|---|
| Release Owner | Dianna Smith |
| Corresponding ESR releases | 140.6.0 · 115.31.0? |
| Nightly cycle length | 4 weeks |
| Beta cycle length | 4 weeks |
| Bugs fixed in nightly | 1943 |
| Uplifts in beta | 137 (0 backouts) |
| Uplifts in RC | 4 (0 backouts) |
| Uplifts in dot releases | 0 (0 backouts) |
| Total number of uplifts | 141 |
| Betas | 9 |
| Release Candidates | 2 |
| Dot releases | 0 |
| Release notes | General · Developer · Enterprise |
| Key Milestones | |
|---|---|
| Nightly start | October 14 |
| Beta start | November 11 |
| 146.0 39% adoption - 100% rollout | December 9 |
| Potential Android 146.0.x | December 16 |
| Planned 146.0.x Desktop and Android | December 18 |
| Key Milestones | |
|---|---|
| 146.0 | December 8 |
| 146.1 Planned | December 15 |