Umbraco CMS End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 18.0.2

10 Umbraco CMS versions have reached End of Life (EOL) and End of Support (EOS), including Umbraco CMS 16 (EOL date: Jun 12, 2026) — no longer receiving security updates or patches. Umbraco CMS 13 (LTS) reaches its End of Support date on Dec 14, 2026 — plan your upgrade path now. Umbraco CMS 18.0.2 is the current supported release, with support through Jun 25, 2027 — 2 versions in active support. Also see BigBlueButton end of support dates for related end-of-life information.

Currently Supported Umbraco CMS Releases - Active EOS/EOSL Support (2)

Release Released Security Support Latest LTS
18 (2 weeks ago) (in 11 months) (in 8 months) 18.0.2 (2 days ago) -
17 (LTS) (7 months ago) (in 2 years and 4 months) (in 1 year and 4 months) 17.5.3 (2 days ago) LTS

Umbraco CMS Releases Nearing End of Life - Support Ending Soon (1)

Important: The following Umbraco CMS releases will reach End of Life (EOL) within 6 months. Plan your migration to a supported release to ensure continued security updates and support.
Release Released Security Support Latest LTS
13 (LTS) (2 years and 6 months ago) (in 5 months) (6 months ago) 13.15.1 (2 days ago) LTS

Umbraco CMS End of Life (EOL) Releases - No Longer Supported (10)

Release Released Security Support Latest LTS
16 (1 year ago) (3 weeks and 6 days ago) (3 months ago) 16.5.1 (3 months ago) -
15 (1 year and 7 months ago) (7 months ago) (10 months ago) 15.4.4 (11 months ago) -
14 (2 years and 1 month ago) (1 year and 1 month ago) (1 year and 4 months ago) 14.3.4 (1 year and 3 months ago) -
12 (3 years ago) (2 years ago) (2 years and 3 months ago) 12.3.10 (2 years and 1 month ago) -
11 (3 years and 7 months ago) (2 years and 7 months ago) (2 years and 10 months ago) 11.5.0 (2 years and 10 months ago) -
10 (LTS) (4 years ago) (1 year ago) (2 years ago) 10.8.11 (1 year ago) LTS
9 (4 years and 9 months ago) (3 years and 6 months ago) (3 years and 9 months ago) 9.5.4 (3 years and 10 months ago) -
8 (LTS) (7 years and 4 months ago) (1 year and 4 months ago) (2 years and 4 months ago) 8.18.15 (1 year and 8 months ago) LTS
7 (LTS) (12 years and 7 months ago) (2 years and 9 months ago) (4 years and 11 months ago) 7.15.11 (2 years and 10 months ago) LTS
6 (13 years and 3 months ago) (8 years and 2 months ago) (8 years and 2 months ago) 6.2.6 (10 years and 4 months ago) -

Umbraco CMS End of Life & Support Summary

Which Umbraco CMS Versions Are Currently Supported?

Umbraco CMS currently has 2 supported releases. Umbraco CMS 18.0.2 is the latest, with active support through Jun 25, 2027. Umbraco CMS 17 (LTS) is also supported until Nov 27, 2028. Note that Umbraco CMS 13 (LTS) support ends on Dec 14, 2026 — plan your upgrade before then. Also see LDAP Account Manager end of support for related end-of-life information.

Umbraco CMS Versions Nearing End of Life

1 Umbraco CMS release is reaching End of Life (EOL) within 6 months. Umbraco CMS 13 (LTS) support ends on Dec 14, 2026. Upgrade to Umbraco CMS 18.0.2 to stay on a supported release.

Umbraco CMS End of Life (EOL) Version History

10 Umbraco CMS releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Umbraco CMS 16 reached EOL on Jun 12, 2026. Umbraco CMS 18.0.2 is the recommended upgrade for users still on End of Life versions.