Active releases
| Version | LTS | Release Date | Support Phase | Security Phase | End of Life |
|---|---|---|---|---|---|
| 8 | N/A | 26/02/2019 | N/A | 24/02/2024 | 24/02/2025 |
| 10 | ✅ | 16/06/2022 | 01/12/2022 | 16/06/2024 | 16/06/2025 |
| 13 | ✅ | 14/12/2023 | 30/05/2024 | 14/12/2025 | 14/12/2026 |
| 14 | ❌ | 30/05/2024 | 14/11/2024 | 02/03/2025 | 30/05/2025 |
| 15 | ❌ | 14/11/2024 | 12/06/2025 | 14/08/2025 | 14/11/2025 |
What is LTS?
Umbraco Long Term Support (LTS) major releases are aligned with Microsoft .NET LTS versions meaning they benefit from an extended support phase which helps to mitigate against security risks and critical issues.
Check out Umbraco's post for more information.
Upcoming releases
| Version | LTS | Release Date | Support Phase | Security Phase | End of Life |
|---|---|---|---|---|---|
| 16 | ❌ | 12/06/2025 | 27/11/2025 | 12/03/2026 | 12/06/2026 |
| 17 | ✅ | 27/11/2025 | 11/06/2026 | 27/11/2027 | 27/11/2028 |
End-of-life versions
| Version | LTS | Release Date | End of Life |
|---|---|---|---|
| 7 | N/A | 21/11/2013 | 30/09/2023 |
| 9 | ❌ | 28/09/2021 | 16/12/2022 |
| 11 | ❌ | 01/12/2022 | 01/12/2023 |
| 12 | ❌ | 29/06/2023 | 29/06/2024 |