Umbraco CMS End of Life Dates
Release, end of support and end of life dates for every tracked Umbraco CMS version, with current status.
All products · Vendor lifecycle page · Source entry
Status as of 2026-09-23 (UTC): 13 versions tracked; 2 supported, 0 security fixes only, 1 ending within 90 days, 10 end of life.
| Version | Status | Released | Active support ends | Security support ends | Latest |
|---|---|---|---|---|---|
| 18 | Supported | 2026-06-25 | 2027-03-25 | 2027-06-25 | 18.2.0 |
| 17 (LTS) | Supported | 2025-11-27 | 2027-11-27 | 2028-11-27 | 17.7.0 |
| 16 | End of life | 2025-06-12 | 2026-03-12 | 2026-06-12 | 16.5.1 |
| 15 | End of life | 2024-11-14 | 2025-08-14 | 2025-11-14 | 15.4.4 |
| 14 | End of life | 2024-05-30 | 2025-03-02 | 2025-05-30 | 14.3.4 |
| 13 (LTS) | Ends within 90 days (82 days left) | 2023-12-14 | 2025-12-14 | 2026-12-14 | 13.16.2 |
| 12 | End of life | 2023-06-29 | 2024-03-29 | 2024-06-29 | 12.3.10 |
| 11 | End of life | 2022-12-01 | 2023-09-01 | 2023-12-01 | 11.5.0 |
| 10 (LTS) | End of life | 2022-06-16 | 2024-06-16 | 2025-06-16 | 10.8.11 |
| 9 | End of life | 2021-09-29 | 2022-09-16 | 2022-12-16 | 9.5.4 |
| 8 (LTS) | End of life | 2019-02-26 | 2024-02-24 | 2025-02-24 | 8.18.15 |
| 7 (LTS) | End of life | 2013-11-21 | 2021-07-31 | 2023-09-30 | 7.15.11 |
| 6 | End of life | 2013-03-27 | 2018-05-01 | 2018-05-01 | 6.2.6 |
Note: "Not announced" means the vendor has not published a date. "Ended (no date published)" means the source marks it ended without a date. Dates are compared as calendar days in UTC, so a date can flip up to a day earlier or later than your local calendar.
Data: endoflife.date (MIT license), snapshot 2026-09-23. Dates come from each vendor's published lifecycle. Always confirm with the vendor link before a purchase or migration decision.