pkg syscall (freebsd-386-cgo), type BpfVersion struct
pkg syscall (freebsd-386-cgo), type BpfVersion struct, Major uint16
pkg syscall (freebsd-386-cgo), type BpfVersion struct, Minor uint16
pkg syscall (freebsd-386-cgo), type BpfZbuf struct
pkg syscall (freebsd-386-cgo), type BpfZbuf struct, Bufa *uint8
pkg syscall (freebsd-386-cgo), type BpfZbuf struct, Bufb *uint8

- Kubectl version changed to write a warning message to stderr if the client and server version difference exceeds the supported version skew of +/-1 minor version. ([#98250](https://github.com/kubernetes/kubernetes/pull/98250), [@brianpursley](https://github.com/brianpursley)) [SIG CLI]

* etcd3: make gets for previous value in watch serialize-able ([#34089](https://github.com/kubernetes/kubernetes/pull/34089), [@wojtek-t](https://github.com/wojtek-t))
* etcd3: minor cleanups ([#34234](https://github.com/kubernetes/kubernetes/pull/34234), [@wojtek-t](https://github.com/wojtek-t))

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

 - Performance improvements for collections of metrics and summary

### Increase the Kubernetes support window to one year

As of Kubernetes 1.19, bugfix support via patch releases for a Kubernetes minor release has increased from 9 months to 1 year.

## Validações numéricas: maior que e menor que ou igual { #number-validations-greater-than-and-less-than-or-equal }

O mesmo se aplica a:

* `gt`: maior que (`g`reater `t`han)
* `le`: menor que ou igual (`l`ess than or `e`qual)

{* ../../docs_src/path_params_numeric_validations/tutorial005_an_py39.py hl[10] *}

## Validações numéricas: floats, maior que e menor que { #number-validations-floats-greater-than-and-less-than }

* Add automatic etcd 3.2->3.1 and 3.1->3.0 minor version rollback support to gcr.io/google_container/etcd images. For HA clusters, all members must be stopped before performing a rollback. ([#59298](https://github.com/kubernetes/kubernetes/pull/59298), [@jpbetz](https://github.com/jpbetz))

## Validaciones numéricas: mayor que y menor o igual { #number-validations-greater-than-and-less-than-or-equal }

Lo mismo aplica para:

* `gt`: `g`reater `t`han
* `le`: `l`ess than or `e`qual

{* ../../docs_src/path_params_numeric_validations/tutorial005_an_py39.py hl[10] *}

## Validaciones numéricas: flotantes, mayor y menor { #number-validations-floats-greater-than-and-less-than }

- kubeadm: Allow users to skip the kube-proxy init addon phase during init and still be able to join a cluster and perform some other minor operations (but not upgrade). ([#82248](https://github.com/kubernetes/kubernetes/pull/82248), [@rosti](https://github.com/rosti))

    requestHeaders: List<Header>,
  ) {
    withLock {
      if (closed) throw IOException("closed")
      hpackWriter.writeHeaders(requestHeaders)

      val byteCount = hpackBuffer.size
      val length = minOf(maxFrameSize - 4L, byteCount).toInt()
      frameHeader(
        streamId = streamId,
        length = length + 4,
        type = TYPE_PUSH_PROMISE,