Umbraco CMS 8 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Umbraco CMS 8 reached end of life on 24 Feb 2025. It no longer receives security fixes.
Support timeline
Official dates from the Umbraco CMS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Feb 2019 | — |
| End of life | 24 Feb 2025 | 1.5 years ago |
| Active support ended | 24 Feb 2024 | security fixes only after this |
| Latest release | 8.18.15 · 21 Oct 2024 | final |
Where to go from 8
Recommended target: Umbraco CMS 18 (supported until 25 Jun 2027).
The newest actively supported branch is Umbraco CMS 18 (latest release 18.1.0).
Frequently asked questions
Is Umbraco CMS 8 still safe to use?
Umbraco CMS 8 reached end of life on 24 Feb 2025, 531 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Umbraco CMS 8?
Yes — the final release (8.18.15) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Umbraco CMS 8 to?
Upgrade to Umbraco CMS 18, the newest actively supported branch (supported until 25 Jun 2027).