Kubernetes 1.35 introduces structured, versioned responses for both /statusz and /flagz endpoints. This enhancement maintains backward compatibility with the existing plain text format while adding support for machine-readable JSON responses.
z-pages are special debugging endpoints exposed by Kubernetes control plane components. Introduced as an alpha feature in Kubernetes 1.32, these endpoints provide runtime diagnostics for components like kube-apiserver, kube-controller-manager, kube-scheduler, kubelet and kube-proxy. The name "z-pages" comes from the convention of using /*z paths for debugging endpoints. Currently, Kubernetes supports two primary z-page endpoints: These endpoints are valuable for human operators who need to quickly inspect component state, but until now, they only returned plain text output that was difficult t