end-of-life.org

Istio 1.31 End of Life

Support dates and upgrade guidance — rebuilt from live data.

Supported

Istio 1.31 is actively supported. It reaches end of life on 28 Feb 2027.

146 days of security support left
1.31.1 latest release
19% of this branch's supported lifetime has elapsed — 31 Aug 2026 → 28 Feb 2027.
Check your versionistioctl version

Support timeline

Official dates from the Istio release process.

MilestoneDateStatus
Initial release31 Aug 2026 1mo ago
Security Support ends28 Feb 2027 in 5mo
Latest release1.31.1 · 21 Sept 2026 current

How much runway a newer branch buys

Istio 1.31 is the newest branch — this is the longest runway currently available.

BranchEnd of lifeDays leftvs 1.31
Istio 1.31 28 Feb 2027 146 this branch
Istio 1.30 31 Dec 2026 87 -59 days
Istio 1.29 31 Oct 2026 26 -120 days

Frequently asked questions

When does Istio 1.31 reach end of life?

Istio 1.31 reaches end of life on 28 Feb 2027 — 146 days from now. After that date it receives no security fixes.

Is Istio 1.31 still supported?

Yes. Istio 1.31 is currently maintained. Latest release: 1.31.1, published 21 Sept 2026.

What happens when Istio 1.31 reaches end of life?

Security fixes stop. After 28 Feb 2027 this branch receives no further updates under standard support.

How long do I have to upgrade from Istio 1.31?

146 days. This is already the newest branch, so this is the longest runway currently available.

All Istio versions