- Added new optional APIs in `ResouceSlice.Basic` and `ResourceClaim.Status.AllocatedDeviceStatus`. ([#130160](https://github.com/kubernetes/kubernetes/pull/130160), [@KobayashiD27](https://github.com/KobayashiD27)) [SIG API Machinery, Apps, Architecture, Node, Release, Scheduling and Testing]

  The flowcontrol.apiserver.k8s.io/v1beta3 APIs are deprecated and will no longer be served in v1.32. All existing objects are available via the `v1` APIs. Transition clients and manifests to use the `v1` APIs before upgrading to v1.32. ([#121089](https://github.com/kubernetes/kubernetes/pull/121089), [@tkashem](https://github.com/tkashem)) [SIG API Machinery and Testing]
- The kube-proxy command-line documentation was updated to clarify that

  - [Notable Features](#notable-features)
    - [Stable](#stable)
    - [Beta](#beta)
    - [CLI Improvements](#cli-improvements)
  - [API Changes](#api-changes)
  - [Other notable changes](#other-notable-changes-1)
    - [API Machinery](#api-machinery)
    - [Apps](#apps)
    - [Auth](#auth)
    - [CLI](#cli)
    - [Cloud Provider](#cloud-provider)
    - [Cluster Lifecycle](#cluster-lifecycle-1)

## Changelog since v1.21.0

## What's New (Major Themes)

### Removal of several beta Kubernetes APIs

can be aggregated (served along with) the rest of the Kubernetes API. See [Extending the Kubernetes API with the aggregation layer](https://kubernetes.io/docs/concepts/api-extension/apiserver-aggregation/), [Configure the aggregation layer](https://kubernetes.io/docs/tasks/access-kubernetes-api/configure-aggregation-layer/), and [Setup an extension API server](https://kubernetes.io/docs/tasks/access-kubernetes-api/setup-extension-api-server/).

* [alpha] Adding admissionregistration API...

[Sig API Machinery]: https://github.com/kubernetes/community/tree/master/sig-api-machinery

### SIG Apps

[SIG Apps][] focuses on the Kubernetes APIs and the external tools that are required to deploy and operate Kubernetes workloads.

- OpenAPI will no longer duplicate these schemas:
  - `io.k8s.apimachinery.pkg.apis.meta.v1.DeleteOptions_v2`
  - `io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta_v2`
  - `io.k8s.apimachinery.pkg.apis.meta.v1.OwnerReference_v2`
  - `io.k8s.apimachinery.pkg.apis.meta.v1.StatusDetails_v2`

  - PriorityClass resources have been promoted to `scheduling.k8s.io/v1` with no changes. The `scheduling.k8s.io/v1beta1` and `scheduling.k8s.io/v1alpha1` versions are now deprecated and will stop being served by default in v1.17.  ([#73555](https://github.com/kubernetes/kubernetes/pull/73555), [#74465](h...

      - [add-ons:](#add-ons)
      - [kube-scheduler:](#kube-scheduler)
      - [Other deprecations:](#other-deprecations)
    - [API Change](#api-change-6)
      - [New API types/versions:](#new-api-typesversions)
      - [New API fields:](#new-api-fields)
      - [Other API changes:](#other-api-changes)
      - [Configuration file changes:](#configuration-file-changes)
      - [kube-apiserver:](#kube-apiserver-2)

    - [Taints and Tolerations](#taints-and-tolerations)
    - [Volumes](#volumes-2)
  - [Changes to Major Components](#changes-to-major-components)
    - [API Server](#api-server)
    - [API Server Aggregator](#api-server-aggregator)
      - [Generic API Server](#generic-api-server)
    - [Client](#client)
      - [client-go](#client-go)
    - [Cloud Provider](#cloud-provider)
      - [AWS](#aws)
      - [Azure](#azure)