Longhorn 1.13 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Longhorn 1.13 is actively supported. It reaches end of life on 29 Nov 2027.
420 days of security support left
1.13.0 latest release
1% of this branch's supported lifetime has elapsed — 29 Sept 2026 → 29 Nov 2027.
Support timeline
Official dates from the Longhorn release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 29 Sept 2026 | this month |
| Support ends | 29 Nov 2027 | in 1y 2mo |
| Latest release | 1.13.0 · 29 Sept 2026 | current |
How much runway a newer branch buys
Longhorn 1.13 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 1.13 |
|---|---|---|---|
| Longhorn 1.13 | 29 Nov 2027 | 420 | this branch |
| Longhorn 1.12 | 14 Aug 2027 | 313 | -107 days |
| Longhorn 1.11 | 29 Jul 2027 | 297 | -123 days |
| Longhorn 1.10 | 25 Mar 2027 | 171 | -249 days |
| Longhorn 1.9 | 27 Nov 2026 | 53 | -367 days |
Frequently asked questions
When does Longhorn 1.13 reach end of life?
Longhorn 1.13 reaches end of life on 29 Nov 2027 — 420 days from now. After that date it receives no security fixes.
Is Longhorn 1.13 still supported?
Yes. Longhorn 1.13 is currently maintained. Latest release: 1.13.0, published 29 Sept 2026.
What happens when Longhorn 1.13 reaches end of life?
Security fixes stop. After 29 Nov 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Longhorn 1.13?
420 days. This is already the newest branch, so this is the longest runway currently available.