* Since `kubernetes.tar.gz` no longer includes client or server binaries, `cluster/kube-{up,down,push}.sh` now automatically download released binaries if they are missing. ([#38730](https://github.com/kubernetes/kubernetes/pull/38730), [@ixdy](https://github.com/ixdy))

    *   Federation-specific behavior will no longer be included in kubectl
    *   kubefed will no longer be released as part of Kubernetes
    *   The Federation servers will no longer be included in the hyperkube binary and image. ([#53816](https://github.com/kubernetes/kubernetes/pull/53816),[ @marun](https://github.com/marun))

- Fix the code is leaking the defaulting between unrelated pod instances. ([#103284](https://github.com/kubernetes/kubernetes/pull/103284), [@kebe7jun](https://github.com/kebe7jun)) [SIG CLI]

- Fixed a bug that prevents a PersistentVolume that has a PersistentVolumeClaim UID which doesn't exist in local cache but exists in etcd from being updated to the Released phase. ([#105211](https://github.com/kubernetes/kubernetes/pull/105211), [@xiaopingrubyist](https://github.com/xiaopingrubyist))

- Updated distroless iptables to use released image `registry.k8s.io/build-image/distroless-iptables:v0.2.4` ([#117746](https://github.com/kubernetes/kubernetes/pull/117746), [@xmudrii](https://github.com/xmudrii)) [SIG Testing]

</p>

<p>
For instance, given the declarations
</p>

<pre>
var x = I(T{}).ab()   // x has an undetected, hidden dependency on a and b
var _ = sideEffect()  // unrelated to x, a, or b
var a = b
var b = 42

type I interface      { ab() []int }
type T struct{}
func (T) ab() []int   { return []int{a, b} }
</pre>

<p>

### CSI Volume health monitoring
 

### SIG-autoscaling

SIG Autoscaling focused on improving the Horizontal Pod Autoscaling API and algorithm:
- We released autoscaling/v2beta2, which cleans up and unifies the API
- We improved readiness detection and smoothing to work well in a larger variety or use cases

### SIG-Azure

</p>

<p>
For instance, given the declarations
</p>

<pre>
var x = I(T{}).ab()   // x has an undetected, hidden dependency on a and b
var _ = sideEffect()  // unrelated to x, a, or b
var a = b
var b = 42

type I interface      { ab() []int }
type T struct{}
func (T) ab() []int   { return []int{a, b} }
</pre>

<p>

natively within Kubernetes, without exposing an HTTP endpoint or
using an extra executable.

### Kubelet Credential Provider Graduates to Beta

Originally released as Alpha in Kubernetes 1.20, the kubelet's support for
[image credential providers](https://kubernetes.io/docs/tasks/kubelet-credential-provider/kubelet-credential-provider/)
has now graduated to Beta.