| Release Date | January 23, 2018 | 
|---|---|
| Release Owner | Gerry Chang | Corresponding ESR releases | 52.6.0 | 
| Nightly cycle length | 7 weeks | 
| Beta cycle length | 10 weeks | 
| Bugs fixed in nightly | 3965 | 
| Uplifts in beta | 317 (5 backouts) | 
| Uplifts in RC | 26 (0 backouts) | 
| Uplifts in dot releases | 9 (0 backouts) | 
| Total number of uplifts | 352 | 
| Betas | 13 | 
| Release Candidates | 6 | 
| Dot releases | 2 | 
| Release notes | Consumer notes ⁘ Developer notes | 
| Key Milestones | |
|---|---|
| Nightly start | September 28 | 
| Beta start | November 17 | 
| 58.0 | January 23 | 
| 58.0.1 Chemspill ? | January 29 | 
| 58.0.2 | February 7 |