.NET 9 is a Standard Term Support (STS) release and will be supported on multiple operating systems for 18 months, from November 12th, 2024 to May 12th, 2026.
| Date | Release |
|---|---|
| 2024/07/09 | 9.0.0 Preview 6 |
| 2024/06/11 | 9.0.0 Preview 5 |
| 2024/05/21 | 9.0.0 Preview 4 |
| 2024/04/11 | 9.0.0 Preview 3 |
| 2024/03/12 | 9.0.0 Preview 2 |
| 2024/02/13 | 9.0.0 Preview 1 |
- What's new in .NET 9 libraries
- Preview 6
- Preview 5
- Preview 4
- Preview 3
- Preview 2: No release notes
- Preview 1
- What's new in the .NET 9 runtime
- Preview 6
- Preview 5: No release notes
- Preview 4
- Preview 3
- Preview 2
- Preview 1
- What's new in the SDK for .NET 9
- Preview 6
- Preview 5: No release notes
- Preview 4: No release notes
- Preview 3
- Preview 2
- Preview 1