Longhorn 1.6 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Longhorn 1.6 reached end of life on 29 Mar 2025. It no longer receives security fixes.
Support timeline
Official dates from the Longhorn release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 1 Feb 2024 | — |
| End of life | 29 Mar 2025 | 1.4 years ago |
| Latest release | 1.6.4 · 3 Jan 2025 | final |
Where to go from 1.6
Recommended target: Longhorn 1.12 (supported until 2 Dec 2027).
The newest actively supported branch is Longhorn 1.12 (latest release 1.12.0).
Frequently asked questions
Is Longhorn 1.6 still safe to use?
Longhorn 1.6 reached end of life on 29 Mar 2025, 498 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Longhorn 1.6?
Yes — the final release (1.6.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Longhorn 1.6 to?
Upgrade to Longhorn 1.12, the newest actively supported branch (supported until 2 Dec 2027).