Longhorn 1.11 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Longhorn 1.11 is actively supported. It reaches end of life on 29 Jul 2027.
354 days of security support left
1.11.3 latest release
35% of this branch's supported lifetime has elapsed — 29 Jan 2026 → 29 Jul 2027.
Support timeline
Official dates from the Longhorn release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 29 Jan 2026 | — |
| End of life (scheduled) | 29 Jul 2027 | in 354 days |
| Latest release | 1.11.3 · 1 Jul 2026 | current |
How much runway a newer branch buys
Moving to Longhorn 1.12 extends security support by about 126 days.
| Branch | End of life | Days left | vs 1.11 |
|---|---|---|---|
| Longhorn 1.12 | 2 Dec 2027 | 480 | +126 days |
| Longhorn 1.11 | 29 Jul 2027 | 354 | this branch |
| Longhorn 1.10 | 25 Mar 2027 | 228 | -126 days |
| Longhorn 1.9 | 27 Nov 2026 | 110 | -244 days |
Frequently asked questions
When does Longhorn 1.11 reach end of life?
Longhorn 1.11 reaches end of life on 29 Jul 2027 — 354 days from now. After that date it receives no security fixes.
Is Longhorn 1.11 still supported?
Yes. Longhorn 1.11 is currently maintained. Latest release: 1.11.3, published 1 Jul 2026.
What happens when Longhorn 1.11 reaches end of life?
Security fixes stop. After 29 Jul 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Longhorn 1.11?
354 days. Moving to Longhorn 1.12 instead buys roughly 126 more days of security support.