* inside of which a write lock was intended to prevent races against
    * VM creation, but the usage of the sync.RWMutex type is incorrect,
    * plus is placed in a defer call so the locking is effectively
    * nonexistent.  This patch adds an anonymous function call inside
    * the loop to correctly handle acquiring the write lock with deferred

*   Neutron LBaas V1 support has been removed.

This work enables Kubernetes to take full advantage of the relevant services as exposed by OpenStack clouds. Refer to the [Cloud Providers](https://kubernetes.io/docs/concepts/cluster-administration/cloud-providers/#openstack) documentation for more information.

### Storage

    * inside of which a write lock was intended to prevent races against
    * VM creation, but the usage of the sync.RWMutex type is incorrect,
    * plus is placed in a defer call so the locking is effectively
    * nonexistent.  This patch adds an anonymous function call inside
    * the loop to correctly handle acquiring the write lock with deferred

For detailed release notes on the three alpha features from SIG AWS, please refer to the following Changelogs:

- [aws-alb-ingress-controller v1.0.0](https://github.com/kubernetes-sigs/aws-alb-ingress-controller/releases/tag/v1.0.0)

### OpenStack

- The `openstack-heat` provider for `kube-up` is deprecated and will be removed
  in a future release. Refer to Issue [#49213](https://github.com/kubernetes/kubernetes/issues/49213)
  for background information.

### Scheduling

  - Opaque Integer Resources (OIRs) are deprecated and will be removed in

* **Other objects**: no changes unless you explicitly request orphaning.

- The deprecated `SecurityContextDeny` admission plugin, which has been deprecated since `v1.27`, has been removed. It is recommended to use the Pod Security Admission plugin instead, which has been available since v1.25. Refer to the [Kubernetes documentation](https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#securitycontextdeny) for more information.

* Protobuf serialization does not distinguish between `[]` and `null`.

- Kubeadm: remove the deprecated "kubeadm alpha kubelet config enable-dynamic" command. To continue using the feature please defer to the guide for "Dynamic Kubelet Configuration" at k8s.io. This change also removes...

- Adds `\livez` for liveness health checking for kube-apiserver. Using the parameter `--maximum-startup-sequence-duration` will allow the liveness endpoint to defer boot-sequence failures for the specified duration period. ([#81969](https://github.com/kubernetes/kubernetes/pull/81969), [@logicalhan](https://github.com/logicalhan))