Silverstripe CMS end-of-life: support & EOL dates for every release
Silverstripe · CMS · 3 supported · 13 end-of-life · updated June 2026 · what is end-of-life? →
This is when each Silverstripe CMS release line stops receiving security updates. 3 release lines are still supported — the next to reach end-of-life is Silverstripe CMS 6.1 on 18 Oct 2026. Running an end-of-life version means new vulnerabilities stay unpatched.
Silverstripe CMS support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Silverstripe CMS 6.2 | 6.2.0 | 30 Apr 2027 · in 10 mo | Supported |
| Silverstripe CMS 5.4 | 5.4.0 | 30 Apr 2027 · in 10 mo | Supported |
| Silverstripe CMS 6.1 | 6.1.0 | 18 Oct 2026 · in 4 mo | Ends soon |
| Silverstripe CMS 6.0 | 6.0.0 | 14 Apr 2026 | End of life |
| Silverstripe CMS 5.3 | 5.3.0 | 11 Oct 2025 | End of life |
| Silverstripe CMS 4.13 | 4.13.0 | 10 Jun 2025 | End of life |
| Silverstripe CMS 5.2 | 5.2.0 | 5 May 2025 | End of life |
| Silverstripe CMS 5.1 | 5.1.0 | 17 Oct 2024 | End of life |
| Silverstripe CMS 5.0 | 5.0.0 | 17 Apr 2024 | End of life |
| Silverstripe CMS 4.12 | 4.12.1 | 26 Oct 2023 | End of life |
| Silverstripe CMS 4.11 | 4.11.2 | 19 May 2023 | End of life |
| Silverstripe CMS 4.10 | 4.10.0 | 31 Dec 2022 | End of life |
| Silverstripe CMS 3.7 | 3.7.5 | 30 Sept 2021 | End of life |
| Silverstripe CMS 3.1 | 3.1.21 | 31 Dec 2016 | End of life |
| Silverstripe CMS 3.0 | 3.0.14 | 12 Oct 2015 | End of life |
| Silverstripe CMS 2.4 | 2.4.13 | 31 Mar 2015 | End of life |
Which Silverstripe CMS version should I run?
The safest choice is the latest supported release, 6.2.0. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Silverstripe CMS's full security status →
Get warned before Silverstripe CMS reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Silverstripe CMS on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Silverstripe CMS end-of-life — frequently asked
What Silverstripe CMS versions are still supported?
As of June 2026, these Silverstripe CMS release lines still receive security updates: 6.2, 5.4, 6.1. The latest supported release is 6.2.0. Versions older than these (6.0, 5.3, 4.13, 5.2, 5.1, 5.0, 4.12, 4.11, 4.10, 3.7, 3.1, 3.0, 2.4) are end-of-life and no longer patched.
When does Silverstripe CMS 6.1 reach end of life?
Silverstripe CMS 6.1 reaches end-of-life on 18 Oct 2026 — about 4 months away. After that date it stops receiving security patches.
Is Silverstripe CMS end-of-life?
No — Silverstripe CMS still has supported release lines (6.2, 5.4, 6.1). But individual older versions are end-of-life, so what matters is the specific version you run.
How do I know when my Silverstripe CMS version reaches end of life?
Check the version you run on its product page, or monitor Silverstripe CMS 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 Silverstripe. See related: Silverstripe CMS security status · full EOL calendar · what is end-of-life software? · disclaimer.