Version shipping to users on the Release channel
| Release Date | May 27, 2025 |
| Release Owner | Ryan VanderMeulen |
| Corresponding ESR releases |
128.11.0 ⁘ 115.24.0 |
| Nightly cycle length | 4 weeks |
| Beta cycle length | 4 weeks |
| Bugs fixed in nightly |
1616
|
| Uplifts in Beta | 145 (2 backouts) |
| Uplifts in RC | 13 (0 backouts) |
| Total number of uplifts | 158 |
| Betas | 10 |
| Release Candidates | 2 |
| Dot releases | 1 |
| Release notes |
Consumer notes ⁘
Developer notes
|
| Key Milestones |
| Nightly start |
April 1 |
| Beta start |
April 29 |
|
139.0
8% adoption
|
May 27 |
|
139.0.1
Desktop-only
48% adoption
100% rollout
|
May 29 |
| Potential mobile 139.0.x |
June 3 |
| Planned 139.0.x |
June 10 |