| Release Date | April 29, 2025 |
|---|---|
| Release Owner | Dianna Smith |
| Corresponding ESR releases | 128.10.0 ⁘ 115.23.0 |
| Nightly cycle length | 4 weeks |
| Beta cycle length | 4 weeks |
| Bugs fixed in nightly | 1777 |
| Uplifts in Beta | 150 (3 backouts) |
| Uplifts in RC | 1 (0 backouts) |
| Total number of uplifts | 151 |
| Betas | 9 |
| Release Candidates | 1 |
| Dot releases | 1 |
| Release notes | Consumer notes ⁘ Developer notes |
| Key Milestones | |
|---|---|
| Nightly start | March 4 |
| Beta start | April 1 |
| 138.0 6% adoption | April 29 |
| 138.0.1 Desktop-only 47% adoption 100% rollout | May 1 |
| Potential mobile 138.0.x | May 6 |
| Planned 138.0.x | May 13 |