Red Hat OpenShift 4.18 exits maintenance support August 25, 2026 — 15 days out. Patches don't stop for everyone: EUS continues to February 25, 2027, included with Premium subscriptions, a paid add-on on Standard. The even/odd EUS rhythm, why 4.19 is a four-month landing, and the honest 4.20/4.21/4.22 comparison.
Every recent OpenShift release, dated
| Version | GA | Full support ended | Maintenance support ends (EOL) | Extended Update Support until | Phase (Aug 2026) |
|---|---|---|---|---|---|
| OpenShift 4.22 | Jun 9, 2026 | Dec 31, 2026 | Dec 31, 2027 | Not yet listed* | Full support — current release |
| OpenShift 4.21 | Oct 21, 2025 | Sep 9, 2026 | Aug 3, 2027 | None (odd-numbered) | Full support |
| OpenShift 4.20 | Oct 21, 2025 | May 3, 2026 | Apr 21, 2027 | Not yet listed* | Maintenance |
| OpenShift 4.19 | Jun 17, 2025 | Jan 21, 2026 | Dec 17, 2026 | None (odd-numbered) | Maintenance |
| OpenShift 4.18 | Feb 25, 2025 | Sep 17, 2025 | Aug 25, 2026 | Feb 25, 2027 (Term 2 add-on to Feb 25, 2028) | Maintenance — 15 days left |
| OpenShift 4.17 | Oct 1, 2024 | May 25, 2025 | Apr 1, 2026 | None (odd-numbered) | End of life |
| OpenShift 4.16 | Jun 27, 2024 | Jan 1, 2025 | Dec 27, 2025 | Ended Jun 27, 2026 | End of life — EUS window closed |
What's covered
- What actually changes on August 25
- Every recent OpenShift release, dated
- The even/odd rhythm: why 4.18 has a safety net and 4.19 won't
- The decision fork: three paths off August 25
- Sequential upgrades: why starting late compounds
Full guide with every version, risk scores, and live updates: https://endoflife.ai/article-openshift-418-eol
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