end-of-life.org

BIG-IP 21.0 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

BIG-IP 21.0 reached end of life on 6 Aug 2026. It no longer receives security fixes.

3 days without security patches
Recommended action: upgrade to BIG-IP 21.1.
Check your versionshow /sys version

Support timeline

Official dates from the BIG-IP release process.

MilestoneDateStatus
Initial release6 Nov 2025
End of life 6 Aug 2026 0.0 years ago
Latest release21.0.0 · 6 Nov 2025 final

Where to go from 21.0

Recommended target: BIG-IP 21.1 (supported until 5 May 2029).

The newest actively supported branch is BIG-IP 21.1 (latest release 21.1.0).

Frequently asked questions

Is BIG-IP 21.0 still safe to use?

BIG-IP 21.0 reached end of life on 6 Aug 2026, 3 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download BIG-IP 21.0?

Yes — the final release (21.0.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade BIG-IP 21.0 to?

Upgrade to BIG-IP 21.1, the newest actively supported branch (supported until 5 May 2029).

All BIG-IP versions