This document relates to 2025-12, the Eclipse Foundation's multi-project Simultaneous Release of December 2025.
- 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 |
|---|---|---|---|---|
| 2025-12 M1 | Friday, October 10, 2025 | 10/03 to 10/10 |
|
4 weeks from 2025-09 GA |
| 2025-12 M2 | Friday, October 31, 2025 | 10/24 to 10/31 | 3 weeks from M1 | |
| 2025-12 M3 | Friday, November 21, 2025 | 11/14 to 11/21 | 3 weeks from M2 | |
| 2025-12 RC1 | Friday, November 28, 2025 | 11/21 to 11/28 |
|
1 week from M3 |
| 2025-12 RC2 | Friday, December 5, 2025 | 11/28 to 12/05 | 1 week from RC1 | |
| Quiet period | 12/05 to 12/09 | No builds. It is assumed all code is done by end of RC2. | ||
| 2025-12 GA | Wednesday, December 10, 2025 | 5 days from RC2 |