// The RuntimeClass admission controller will reject Pod create requests which have the overhead already
  // set. If RuntimeClass is configured and selected in the PodSpec, Overhead will be set to the value
  // defined in the corresponding RuntimeClass, otherwise it will remain unset and treated as zero.

* kubeadm no longer removes /etc/cni/net.d as it does not install it. Users should remove files from it manually or rely on the component that created them ([#83950](https://github.com/kubernetes/kubernetes/pull/83950), [@yastij](https://github.com/yastij))
* kubeadm: enhance certs check-expiration to show the expiration info of related CAs ([#83932](https://github.com/kubernetes/kubernetes/pull/83932), [@SataQiu](https://github.com/SataQiu))

### kubectl (CLI)

 if both are present in a container spec.

 - The default Bootstrap Token created with `kubeadm init` v1.8 expires
 and is deleted after 24 hours by default to limit the exposure of the
 valuable credential. You can create a new Bootstrap Token with
 `kubeadm token create` or make the default token permanently valid by specifying

#### Create subcommands
  - `create poddisruptionbudget` ([#36646](https://github.com/kubernetes/kubernetes/pull/36646), [@kargakis](https://github.com/kargakis))
  - `create clusterrole` ([#41538](https://github.com/kubernetes/kubernetes/pull/41538), [@xingzhou](https://github.com/xingzhou))

* The `--bootstrap-kubeconfig` argument to Kubelet previously created the first bootstrap client credentials in the certificates directory as `kubelet-client.key` and `kubelet-client.crt`.  Subsequent certificates created by cert rotation were created in a combined PEM file that was atomically rotated as `kubelet-client-DATE.pem` in that directory, which meant clients relying on the `node.kubeconfig` generated...

        values:
        - zone1
    ```
    * PV creation Logs:

This removes the cloud-provider role and role binding from the rbac boostrapper and replaces it with a policy applied via addon mgr. This also creates a new clusterrole allowing the service account to create events for any namespace.

* client-go: alpha support for out-of-tree exec-based credential providers. For example, a cloud provider could create their own authentication system rather than using the standard authentication provided with Kubernetes. ([#59495](https://github.com/kuber...

### **Apps**

*   The `kubernetes.io/created-by` annotation is no longer added to controller-created objects. Use the `metadata.ownerReferences` item with controller set to `true` to determine which controller, if any, owns an object. ([#54445](https://github.com/kubernetes/kubernetes/pull/54445),[ @crimsonfaith91](https://github.com/crimsonfaith91))

  - The built-in `system:csi-external-provisioner` and `system:csi-external-attacher` cluster roles are deprecated and will not be auto-created in a future release. CSI deployments should provide their own RBAC...