- `PodSpec.Container.ResizePolicy` (new object) gives users control over how their containers are resized.
  - `PodStatus.Resize` status describes the state of a requested Pod resize.
  - `PodStatus.ResourcesAllocated` describes node resources allocated to Pod.
  - `PodStatus.Resources` describes node resources applied to running containers by CRI.

* keep-terminated-pod-volumes flag on kubelet is deprecated. ([#47539](https://github.com/kubernetes/kubernetes/pull/47539), [@gnufied](https://github.com/gnufied))
* kubectl describe podsecuritypolicy describes all fields. ([#45813](https://github.com/kubernetes/kubernetes/pull/45813), [@xilabao](https://github.com/xilabao))

    *   Mutation support for admission webhooks. ([#54892](https://github.com/kubernetes/kubernetes/pull/54892),[ @caesarxuchao](https://github.com/caesarxuchao))
    *   Webhook admission now takes a config file that describes how to authenticate to webhook servers ([#54414](https://github.com/kubernetes/kubernetes/pull/54414),[ @deads2k](https://github.com/deads2k))

<pre>
buffer := [10]string{}             // len(buffer) == 10
intSet := [6]int{1, 2, 3, 5}       // len(intSet) == 6
days := [...]string{"Sat", "Sun"}  // len(days) == 2
</pre>

<p>
A slice literal describes the entire underlying array literal.
Thus the length and capacity of a slice literal are the maximum
element index plus one. A slice literal has the form
</p>

<pre>
[]T{x1, x2, … xn}
</pre>

- This PR corrects that documentation, making it clear to users that podSelector is optional and describes its default behavior. ([#131354](https://github.com/kubernetes/kubernetes/pull/131354), [@tomoish](https://github.com/tomoish)) [SIG Network]

### Feature

   ([#125437](https://github.com/kubernetes/kubernetes/pull/125437), [@ardaguclu](https://github.com/ardaguclu)) [SIG CLI and Testing]
- "`kubectl describe service`" and "`kubectl describe ingress`" will now use endpointslices instead of endpoints.
   ([#124598](https://github.com/kubernetes/kubernetes/pull/124598), [@aroradaman](https://github.com/aroradaman)) [SIG CLI and Network]

### Container Images

All container images are available as manifest lists and support the described
architectures. It is also possible to pull a specific architecture directly by
adding the "-$ARCH" suffix  to the container image name.

name | architectures
---- | -------------

- Upgrades functionality of `kubectl kustomize` as described at
  https://github.com/kubernetes-sigs/kustomize/releases/tag/kustomize%2Fv4.2.0 ([#103419](https://github.com/kubernetes/kubernetes/pull/103419), [@natasha41575](https://github.com/natasha41575)) [SIG CLI]

### Container Images

All container images are available as manifest lists and support the described
architectures. It is also possible to pull a specific architecture directly by
adding the "-$ARCH" suffix  to the container image name.

name | architectures
---- | -------------

### Container Images

All container images are available as manifest lists and support the described
architectures. It is also possible to pull a specific architecture directly by
adding the "-$ARCH" suffix  to the container image name.

name | architectures
---- | -------------