This document relates to 2026-12, the Eclipse Foundation's multi-project Simultaneous Release of December 2026.
- Simultaneous Release Requirements (aka must-dos)
- Simultaneous Release Plan Information that stays the same for each release, like requirements for participation, communication channels, etc.
| Release | Date | Span | Due dates | Notes |
|---|---|---|---|---|
| 2026-12 M1 | Friday, October 9, 2026 | 10/02 to 10/09 |
|
4 weeks from 2026-09 GA |
| 2026-12 M2 | Friday, October 30, 2026 | 10/23 to 10/30 | 3 weeks from M1 | |
| 2026-12 M3 | Friday, November 20, 2026 | 11/13 to 11/20 | 3 weeks from M2 | |
| 2026-12 RC1 | Friday, November 27, 2026 | 11/20 to 11/27 |
|
1 week from M3 |
| 2026-12 RC2 | Friday, December 4, 2026 | 11/27 to 12/04 | 1 week from RC1 | |
| Quiet period | 12/04 to 12/08 | No builds. It is assumed all code is done by end of RC2. | ||
| 2026-12 GA | Wednesday, December 9, 2026 | 5 days from RC2 |