Umbraco CMS 9 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Umbraco CMS 9 reached end of life on 16 Dec 2022. It no longer receives security fixes.
Support timeline
Official dates from the Umbraco CMS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 29 Sept 2021 | — |
| End of life | 16 Dec 2022 | 3.6 years ago |
| Active support ended | 16 Sept 2022 | security fixes only after this |
| Latest release | 9.5.4 · 5 Sept 2022 | final |
Where to go from 9
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 9 still safe to use?
Umbraco CMS 9 reached end of life on 16 Dec 2022, 1,332 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Umbraco CMS 9?
Yes — the final release (9.5.4) 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 9 to?
Upgrade to Umbraco CMS 18, the newest actively supported branch (supported until 25 Jun 2027).