Deno 2.6 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Deno 2.6 reached end of life on 25 Feb 2026. It no longer receives security fixes.
165 days without security patches
Recommended action: upgrade to Deno 2.9. Check your versiondeno --version
Support timeline
Official dates from the Deno release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 10 Dec 2025 | — |
| End of life | 25 Feb 2026 | 0.5 years ago |
| Latest release | 2.6.10 · 17 Feb 2026 | final |
Where to go from 2.6
Recommended target: Deno 2.9.
The newest actively supported branch is Deno 2.9 (latest release 2.9.5).
Frequently asked questions
Is Deno 2.6 still safe to use?
Deno 2.6 reached end of life on 25 Feb 2026, 165 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Deno 2.6?
Yes — the final release (2.6.10) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Deno 2.6 to?
Upgrade to Deno 2.9, the newest actively supported branch.