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Umbraco CMS end-of-life (EOL) dates
Eolix tracks 13 release cycles of Umbraco CMS — 10 have already reached end of life. Release dates, latest versions, and support status below — the same lifecycle data Eolix validates whole software estates against.
| Release | Released | Latest | End of life | Status |
|---|---|---|---|---|
| 18 | 06-25-2026 | 18.2.0 | 06-25-2027 | Supported |
| 17 (LTS) | 11-27-2025 | 17.7.0 | 11-27-2028 | Supported |
| 16 | 06-12-2025 | 16.5.1 | 06-12-2026 | End of life |
| 15 | 11-14-2024 | 15.4.4 | 11-14-2025 | End of life |
| 14 | 05-30-2024 | 14.3.4 | 05-30-2025 | End of life |
| 13 (LTS) | 12-14-2023 | 13.16.2 | 12-14-2026 | Ending soon |
| 12 | 06-29-2023 | 12.3.10 | 06-29-2024 | End of life |
| 11 | 12-01-2022 | 11.5.0 | 12-01-2023 | End of life |
| 10 (LTS) | 06-16-2022 | 10.8.11 | 06-16-2025 | End of life |
| 9 | 09-29-2021 | 9.5.4 | 12-16-2022 | End of life |
| 8 (LTS) | 02-26-2019 | 8.18.15 | 02-24-2025 | End of life |
| 7 (LTS) | 11-21-2013 | 7.15.11 | 09-30-2023 | End of life |
| 6 | 03-27-2013 | 6.2.6 | 05-01-2018 | End of life |
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