Upgrade planner
Where can I upgrade from Kubernetes 1.21?
Supported upgrade options use CompatHub lifecycle status. Compatibility and vulnerability context appear only when evidence already exists — missing data is never treated as a negative conclusion.
You are on Kubernetes 1.21
End of lifeEND OF LIFE
- EOL
- 28 June 2022
- Latest release
- 1.21.14
No vulnerabilities currently recorded by CompatHub.
Supported upgrade options
Newer version lines that are not end-of-life, ranked by remaining support then version. CompatHub does not mark a single option as recommended.
- Kubernetes 1.37View Kubernetes 1.37 →SupportedSTANDARD SUPPORT
- EOL
- 28 October 2027
- Latest release
- 1.37.0 · 26 August 2026
- Upgrade distance
- 16 minor versions newer
- Support difference
- ~64 months more support
No vulnerabilities currently recorded by CompatHub.
- Kubernetes 1.36View Kubernetes 1.36 →SupportedSTANDARD SUPPORT
- EOL
- 28 June 2027
- Latest release
- 1.36.4 · 20 August 2026
- Upgrade distance
- 15 minor versions newer
- Support difference
- ~60 months more support
No vulnerabilities currently recorded by CompatHub.
- Kubernetes 1.35View Kubernetes 1.35 →SupportedSTANDARD SUPPORT
- EOL
- 28 February 2027
- Latest release
- 1.35.8 · 20 August 2026
- Upgrade distance
- 14 minor versions newer
- Support difference
- ~56 months more support
No vulnerabilities currently recorded by CompatHub.
- Kubernetes 1.34View Kubernetes 1.34 →SupportedMAINTENANCE
- EOL
- 27 October 2026
- Latest release
- 1.34.11 · 20 August 2026
- Upgrade distance
- 13 minor versions newer
- Support difference
- ~51 months more support
No vulnerabilities currently recorded by CompatHub.