// in any namespace
// +structType=atomic
message SecretReference {
  // name is unique within a namespace to reference a secret resource.
  // +optional
  optional string name = 1;

  // namespace defines the space within which the secret name must be unique.
  // +optional
  optional string namespace = 2;
}

// Adapts a Secret into a volume.
//

pod to consume resource files specifying a different namespace than the one the pod is running in. ([#44862](https://github.com/kubernetes/kubernetes/pull/44862), [@liggitt](https://github.com/liggitt))

    * Kubectl commands run inside a pod using a kubeconfig file now use the namespace specified in the kubeconfig file, instead of using the pod namespace. If no kubeconfig file is used, or the kubeconfig does not specify a namespace, the pod namespace is still used as a fallback. ([#...

* Addon manager supports HA masters. ([#55782](https://github.com/kubernetes/kubernetes/pull/55782), [@x13n](https://github.com/x13n))

* kubectl commands run inside a pod using a kubeconfig file now use the namespace specified in the kubeconfig file, instead of using the pod namespace. If no kubeconfig file is used, or the kubeconfig does not specify a namespace, the pod namespace is still used as a fallback. ([#44570](https://github.com/kubernetes/kubernetes/pull/44570), [@liggitt](https://github.com/liggitt))

- `Kubectl describe <type>` and `kubectl top pod` will return a message saying `"No resources found"` or `"No resources found in <namespace> namespace"` if there are no results to display. ([#87527](https://github.com/kubernetes/kubernetes/pull/87527), [@brianpursley](https://github.com/brianpursley)) [SIG CLI]

- AdmissionReview objects sent for the creation of Namespace API objects now populate the `namespace` attribute consistently (previously the `namespace` attribute was empty for Namespace creation via POST requests, and populated for Namespace creation via server-side-apply PATCH requests) ([#95012](https://github.com/kubernetes/kubernetes/pull/95012), [@nodo](https://github.com/nodo)) [SIG API Machinery...

             name: system:azure-cloud-provider
           subjects:
           - kind: ServiceAccount
             name: azure-cloud-provider
             namespace: kube-system
           - kind: ServiceAccount
             name: persistent-volume-binder
             namespace: kube-system
    ```

### Other notable changes

- Adds feature gate `KubeletInUserNamespace` which enables support for running kubelet in a user namespace.
  
  The user namespace has to be created before running kubelet.
  All the node components such as CRI need to be running in the same user namespace.
  

* ScaleIO persistent volumes now support referencing a secret in a namespace other than the bound persistent volume claim's namespace; this is controlled during provisioning with the `secretNamespace` storage class parameter; StoragePool and ProtectionDomain attributes no longer defaults to the value `default` ([#54013](https://github.com/kubernete...

* PersistentVolume flexVolume sources can now reference secrets in a namespace other than the PersistentVolumeClaim's namespace. ([#56460](https://github.com/kubernetes/kubernetes/pull/56460), [@liggitt](https://github.com/liggitt))

### Windows