| Release Date | June 1, 2021 |
|---|---|
| Release Owner | Pascal Chevrel |
| Corresponding ESR releases | 78.11.0 |
| Nightly cycle length | 4 weeks |
| Beta cycle length | 6 weeks |
| Bugs fixed in nightly | 1781 |
| Uplifts in beta | 323 (5 backouts) |
| Uplifts in RC | 5 (0 backouts) |
| Uplifts in dot releases | 11 (1 backout) |
| Total number of uplifts | 339 |
| Betas | 15 |
| Release Candidates | 2 |
| Dot releases | 2 |
| Release notes | Consumer notes ⁘ Developer notes |
| Key Milestones | |
|---|---|
| Nightly start | March 23 |
| Beta start | April 20 |
| 89.0 | June 1 |
| 89.0.1 | June 16 |
| 89.0.2 | June 23 |