Umbraco CMS End of Life (EOL), End of Support (EOS), EOSL, EOSS, and EOSM Dates
Home EOL Tracker Umbraco CMS
17.3.1 LTS
(April 07, 2026)
Release
Released
Support
Security
Latest
LTS
17 (LTS)
2025-11-27
(4 months ago)
2027-11-27
(in 1 year and 7 months)
2028-11-27
(in 2 years and 7 months)
17.3.1
2026-04-07 (3 days ago)
LTS
13 (LTS)
2023-12-14
(2 years and 3 months ago)
2025-12-14
(3 months ago)
2026-12-14
(in 8 months)
13.13.1
2026-03-06 (1 month and 4 days ago)
LTS
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
Support
Security
Latest
LTS
16
2025-06-12
(9 months ago)
2026-03-12
(4 weeks and 1 day ago)
2026-06-12
(in 2 months)
16.5.1
2026-03-10 (1 month ago)
-
Release
Released
Support
Security
Latest
LTS
15
2024-11-14
(1 year and 4 months ago)
2025-08-14
(7 months ago)
2025-11-14
(4 months ago)
15.4.4
2025-07-29 (8 months ago)
-
14
2024-05-30
(1 year and 10 months ago)
2025-03-02
(1 year and 1 month ago)
2025-05-30
(10 months ago)
14.3.4
2025-04-08 (1 year ago)
-
12
2023-06-29
(2 years and 9 months ago)
2024-03-29
(2 years ago)
2024-06-29
(1 year and 9 months ago)
12.3.10
2024-05-17 (1 year and 10 months ago)
-
11
2022-12-01
(3 years and 4 months ago)
2023-09-01
(2 years and 7 months ago)
2023-12-01
(2 years and 4 months ago)
11.5.0
2023-09-05 (2 years and 7 months ago)
-
10 (LTS)
2022-06-16
(3 years and 9 months ago)
2024-06-16
(1 year and 9 months ago)
2025-06-16
(9 months ago)
10.8.11
2025-06-24 (9 months ago)
LTS
9
2021-09-28
(4 years and 6 months ago)
2022-09-16
(3 years and 6 months ago)
2022-12-16
(3 years and 3 months ago)
9.5.4
2022-09-05 (3 years and 7 months ago)
-
8 (LTS)
2019-02-26
(7 years and 1 month ago)
2024-02-24
(2 years and 1 month ago)
2025-02-24
(1 year and 1 month ago)
8.18.15
2024-10-21 (1 year and 5 months ago)
LTS
7 (LTS)
2013-11-21
(12 years and 4 months ago)
2021-07-31
(4 years and 8 months ago)
2023-09-30
(2 years and 6 months ago)
7.15.11
2023-09-05 (2 years and 7 months ago)
LTS
6
2013-03-27
(13 years ago)
2018-05-01
(7 years and 11 months ago)
2018-05-01
(7 years and 11 months ago)
6.2.6
2016-03-03 (10 years and 1 month ago)
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