F5 BIG-IP end-of-life: support & EOL dates for every release
F5 · Infrastructure · 5 supported · 4 end-of-life · updated June 2026 · what is end-of-life? →
This is when each F5 BIG-IP release line stops receiving security updates. 5 release lines are still supported — the next to reach end-of-life is F5 BIG-IP 16.1 on 1 Jul 2026. Running an end-of-life version means new vulnerabilities stay unpatched.
F5 BIG-IP support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| F5 BIG-IP 21.1 | 21.1.0 | 5 May 2029 · in 35 mo | Supported |
| F5 BIG-IP 17.5 | 17.5.1 | 1 Jan 2029 · in 30 mo | Supported |
| F5 BIG-IP 17.1 | 17.1.3 | 31 Mar 2027 · in 9 mo | Supported |
| F5 BIG-IP 21.0 | 21.0.0 | 6 Aug 2026 · in 2 mo | Ends soon |
| F5 BIG-IP 16.1 | 16.1.6 | 1 Jul 2026 · in 0 mo | Ends soon |
| F5 BIG-IP 15.1 | 15.1.10 | 31 Dec 2025 | End of life |
| F5 BIG-IP 17.0 | 17.0.0 | 31 Jul 2023 | End of life |
| F5 BIG-IP 16.0 | 16.0.1.1 | 7 Oct 2021 | End of life |
| F5 BIG-IP 15.0 | 15.0.1 | 23 Aug 2020 | End of life |
Which F5 BIG-IP version should I run?
The safest choice is the latest supported release, 21.1.0. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See F5 BIG-IP's full security status →
Get warned before F5 BIG-IP reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor F5 BIG-IP on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
F5 BIG-IP end-of-life — frequently asked
What F5 BIG-IP versions are still supported?
As of June 2026, these F5 BIG-IP release lines still receive security updates: 21.1, 17.5, 17.1, 21.0, 16.1. The latest supported release is 21.1.0. Versions older than these (15.1, 17.0, 16.0, 15.0) are end-of-life and no longer patched.
When does F5 BIG-IP 16.1 reach end of life?
F5 BIG-IP 16.1 reaches end-of-life on 1 Jul 2026 — imminently. After that date it stops receiving security patches.
Is F5 BIG-IP end-of-life?
No — F5 BIG-IP still has supported release lines (21.1, 17.5, 17.1, 21.0, 16.1). But individual older versions are end-of-life, so what matters is the specific version you run.
How do I know when my F5 BIG-IP version reaches end of life?
Check the version you run on its product page, or monitor F5 BIG-IP on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with F5. See related: F5 BIG-IP security status · full EOL calendar · what is end-of-life software? · disclaimer.