| Release Date | January 24, 2017 |
|---|---|
| Release Owner | Gerry Chang |
| Corresponding ESR release | 45.6.0 |
| Nightly cycle length | 8 weeks |
| Beta cycle length | 10 weeks |
| Uplifts in Beta | 267 (6 backouts) |
| Uplifts in RC | 11 (1 backout) |
| Total number of uplifts | 278 |
| Betas | 14 |
| Release Candidates | 2 |
| Dot releases | 1 |
| Release notes | Consumer notes ⁘ Developer notes |
| Key Milestones | |
|---|---|
| Nightly start | September 20 |
| Beta start | November 16 |
| 51.0 | January 24 |
| 51.0.1 | January 26 |