Umbraco CMS End of Life (EOL), End of Support (EOS), EOSL, EOSS, and EOSM Dates

Latest Release: 17.0.2 LTS (December 17, 2025)

Official Release Policy

Currently Supported Umbraco CMS Releases - Active EOS/EOSL Support (3)

Release	Released	Support	Security	Latest	LTS
17 (LTS)	2025-11-27 (1 month and 1 week ago)	2027-11-27 (in 1 year and 10 months)	2028-11-27 (in 2 years and 10 months)	17.0.2 2025-12-10 (4 weeks ago)	LTS
16	2025-06-12 (6 months ago)	2026-03-12 (in 2 months)	2026-06-12 (in 5 months)	16.4.1 2025-12-03 (1 month and 4 days ago)	-
13 (LTS)	2023-12-14 (2 years ago)	2025-12-14 (3 weeks and 3 days ago)	2026-12-14 (in 11 months)	13.13.0 2025-12-17 (3 weeks ago)	LTS

Umbraco CMS End of Life (EOL) Releases - No Longer Supported (9)

Release	Released	Support	Security	Latest	LTS
15	2024-11-14 (1 year and 1 month ago)	2025-08-14 (4 months ago)	2025-11-14 (1 month and 3 weeks ago)	15.4.4 2025-07-29 (5 months ago)	-
14	2024-05-30 (1 year and 7 months ago)	2025-03-02 (10 months ago)	2025-05-30 (7 months ago)	14.3.4 2025-04-08 (8 months ago)	-
12	2023-06-29 (2 years and 6 months ago)	2024-03-29 (1 year and 9 months ago)	2024-06-29 (1 year and 6 months ago)	12.3.10 2024-05-17 (1 year and 7 months ago)	-
11	2022-12-01 (3 years and 1 month ago)	2023-09-01 (2 years and 4 months ago)	2023-12-01 (2 years and 1 month ago)	11.5.0 2023-09-05 (2 years and 4 months ago)	-
10 (LTS)	2022-06-16 (3 years and 6 months ago)	2024-06-16 (1 year and 6 months ago)	2025-06-16 (6 months ago)	10.8.11 2025-06-24 (6 months ago)	LTS
9	2021-09-28 (4 years and 3 months ago)	2022-09-16 (3 years and 3 months ago)	2022-12-16 (3 years ago)	9.5.4 2022-09-05 (3 years and 4 months ago)	-
8 (LTS)	2019-02-26 (6 years and 10 months ago)	2024-02-24 (1 year and 10 months ago)	2025-02-24 (10 months ago)	8.18.15 2024-10-21 (1 year and 2 months ago)	LTS
7 (LTS)	2013-11-21 (12 years and 1 month ago)	2021-07-31 (4 years and 5 months ago)	2023-09-30 (2 years and 3 months ago)	7.15.11 2023-09-05 (2 years and 4 months ago)	LTS
6	2013-03-27 (12 years and 9 months ago)	2018-05-01 (7 years and 8 months ago)	2018-05-01 (7 years and 8 months ago)	6.2.6 2016-03-03 (9 years and 10 months ago)	-

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