Longhorn End of Life (EOL) Dates and End of Support (EOS) Dates

Latest Release: 1.12.1 (August 14, 2026)

8 Longhorn versions have reached End of Life (EOL) and End of Support (EOS), including Longhorn 1.8 (EOL date: Jul 22, 2026) — no longer receiving security updates or patches. Longhorn 1.9 reaches its End of Support date on Nov 27, 2026 — plan your upgrade path now. Longhorn 1.12.1 is the current supported release, with support through Dec 02, 2027 — 3 versions in active support. Also see Argo Workflows end of support life for related end-of-life information.

Longhorn end of life dates timeline — release schedule chart of the 8 most recent Longhorn versions, mapping security support windows against their EOL dates — Longhorn end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent Longhorn releases of 12 total. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Longhorn EOL, EOS and EOSL dates for every version are listed in the tables below.

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

Release	Released	Support	Latest
1.12	Jun 02, 2026 (2 months ago)	Dec 02, 2027 (in 1 year and 3 months)	1.12.1 2026-08-14 (1 week and 2 days ago)
1.11	Jan 29, 2026 (6 months ago)	Jul 29, 2027 (in 11 months)	1.11.3 2026-07-01 (1 month and 3 weeks ago)
1.10	Sep 25, 2025 (10 months ago)	Mar 25, 2027 (in 7 months)	1.10.2 2026-01-28 (6 months ago)

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

Important: The following Longhorn 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	Latest
1.9	May 27, 2025 (1 year and 2 months ago)	Nov 27, 2026 (in 3 months)	1.9.2 2025-09-24 (10 months ago)

Longhorn End of Life (EOL) Releases - No Longer Supported (8)

Release	Released	Support	Latest
1.8	Jan 22, 2025 (1 year and 7 months ago)	Jul 22, 2026 (1 month and 1 day ago)	1.8.2 2025-06-09 (1 year and 2 months ago)
1.7	Aug 20, 2024 (2 years ago)	Sep 04, 2025 (11 months ago)	1.7.3 2025-02-19 (1 year and 6 months ago)
1.6	Feb 01, 2024 (2 years and 6 months ago)	Mar 29, 2025 (1 year and 4 months ago)	1.6.4 2025-01-03 (1 year and 7 months ago)
1.5	Jul 07, 2023 (3 years and 1 month ago)	Jul 19, 2024 (2 years and 1 month ago)	1.5.5 2024-04-19 (2 years and 4 months ago)
1.4	Dec 30, 2022 (3 years and 7 months ago)	Mar 13, 2024 (2 years and 5 months ago)	1.4.4 2023-10-26 (2 years and 9 months ago)

1.3	Jun 15, 2022 (4 years and 2 months ago)	Aug 11, 2023 (3 years ago)	1.3.3 2023-04-20 (3 years and 4 months ago)
1.2	Aug 31, 2021 (4 years and 11 months ago)	Oct 06, 2022 (3 years and 10 months ago)	1.2.6 2022-11-04 (3 years and 9 months ago)
1.1	Dec 18, 2020 (5 years and 8 months ago)	Apr 23, 2022 (4 years and 4 months ago)	1.1.3 2021-12-16 (4 years and 8 months ago)

Longhorn End of Life & Support Summary

Which Longhorn Versions Are Currently Supported?

Longhorn currently has 3 supported releases. Longhorn 1.12.1 is the latest, with active support through Dec 02, 2027. Longhorn 1.11 is also supported until Jul 29, 2027. Note that Longhorn 1.9 support ends on Nov 27, 2026 — plan your upgrade before then. Also see Envoy lifecycle dates for related end-of-life information.

Longhorn Versions Nearing End of Life

1 Longhorn release is reaching End of Life (EOL) within 6 months. Longhorn 1.9 support ends on Nov 27, 2026. Upgrade to Longhorn 1.12.1 to stay on a supported release. Also see Flux lifecycle dates for related end-of-life information.

Longhorn End of Life (EOL) Version History

8 Longhorn releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Longhorn 1.8 reached EOL on Jul 22, 2026. Longhorn 1.12.1 is the recommended upgrade for users still on End of Life versions.