to the API server via the NodeDeclaredFeatures mechanism; the API server only proxies directly to a kubelet that has advertised support. Two new ALPHA metrics are added to track routing decisions and WebSocket streaming volume: apiserver_websocket_streaming_requests_total (labels: subresource, proxy_type) and kubelet_streaming_websocket_requests_total (label: subresource). ([#136256](https://github.com/kubernetes/kubernetes/pull/136256), [@seans3](https://github.com/seans3)) [SIG API Machinery, Autoscaling,...