Short answer: there isn’t a published Kubernetes version matrix for Prefect’s Kubernetes integrations. In Prefect 3.x, the Kubernetes worker and Helm charts rely on stable APIs (core/v1 Pods, batch/v1 Jobs) and generally work across all currently supported Kubernetes versions. We don’t depend on deprecated APIs like PodSecurityPolicies.
Useful references:
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Prefect Kubernetes integration
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Run flows on Kubernetes
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Prefect Helm chart repo and
chart source
If you need a hard guarantee for a specific cluster version, tell me which K8s version you’re on and I can double-check any known caveats.