| Release Date | August 11, 2015 |
|---|---|
| Release Owner | Sylvestre Ledru |
| Corresponding ESR releases | 38.2.0 |
| Nightly cycle length | 7 weeks |
| Beta cycle length | 6 weeks |
| Uplifts in beta | Data cannot be extracted from mercurial (missing HG tags) |
| Uplifts in RC | 6 (2 backouts) |
| Uplifts in dot releases | 4 (0 backouts) |
| Total number of uplifts | 10 |
| Betas | 8 |
| Release Candidates | 5 |
| Dot releases | 2 |
| Release notes | Consumer notes ⁘ Developer notes |
| Key Milestones | |
|---|---|
| Nightly start | May 12 |
| Beta start | July 3 |
| 40.0 | August 11 |
| 40.0.1 | October 29 |
| 40.0.2 | August 13 |