* Validate volume spec before returning azure mounter ([#37018](https://github.com/kubernetes/kubernetes/pull/37018), [@rootfs](https://github.com/rootfs))
* Networking test rewrite ([#31559](https://github.com/kubernetes/kubernetes/pull/31559), [@bprashanth](https://github.com/bprashanth))

  * Start recording cloud provider metrics for AWS ([#43477](https://github.com/kubernetes/kubernetes/pull/43477), [@gnufied](https://github.com/gnufied))

  * Support iSCSI CHAP authentication ([#43396](https://github.com/kubernetes/kubernetes/pull/43396), [@rootfs](https://github.com/rootfs))

* Detach and clear bad disk URI ([#58345](https://github.com/kubernetes/kubernetes/pull/58345), [@rootfs](https://github.com/rootfs))
* Add apiserver metric for number of requests dropped because of inflight limit. ([#58340](https://github.com/kubernetes/kubernetes/pull/58340), [@gmarek](https://github.com/gmarek))

* correction on rbd volume object and defaults ([#25490](https://github.com/kubernetes/kubernetes/pull/25490), [@rootfs](https://github.com/rootfs))
* Bump GCE debian image to container-v1-3-v20160604 ([#26851](https://github.com/kubernetes/kubernetes/pull/26851), [@zmerlynn](https://github.com/zmerlynn))

#### rbd
* force unlock rbd image if the image is not used ([#41597](https://github.com/kubernetes/kubernetes/pull/41597), [@rootfs](https://github.com/rootfs))

#### vSphere
* Fix fsGroup to vSphere ([#38655](https://github.com/kubernetes/kubernetes/pull/38655), [@abrarshivani](https://github.com/abrarshivani))

* Detach and clear bad disk URI ([#58345](https://github.com/kubernetes/kubernetes/pull/58345), [@rootfs](https://github.com/rootfs))
* Expose Metrics Server metrics via /metric endpoint. ([#57456](https://github.com/kubernetes/kubernetes/pull/57456), [@kawych](https://github.com/kawych))

* If an Azure disk is not found, K8s will immediately detach it. ([#58345](https://github.com/kubernetes/kubernetes/pull/58345), [@rootfs](https://github.com/rootfs))
* Instrumented the Azure cloud provider for Prometheus monitoring. ([#58204](https://github.com/kubernetes/kubernetes/pull/58204), [@cosmincojocar](https://github.com/cosmincojocar))

  @Test
  fun equalsFromCertificate() {
    val rootA =
      HeldCertificate
        .Builder()
        .serialNumber(1L)
        .build()
    val rootB =
      HeldCertificate
        .Builder()
        .serialNumber(2L)
        .build()
    assertThat(get(rootB.certificate, rootA.certificate))
      .isEqualTo(get(rootA.certificate, rootB.certificate))
  }

  @Test
  fun equalsFromTrustManager() {

- Fixed `kubectl explain` to show enum for field types if they were defined. ([#123023](https://github.com/kubernetes/kubernetes/pull/123023), [@ah8ad3](https://github.com/ah8ad3))
- Fixed a bug in kubeadm where the `--rootfs` global flag didn't work with "kubeadm upgrade node" for control plane nodes. ([#123077](https://github.com/kubernetes/kubernetes/pull/123077), [@neolit123](https://github.com/neolit123))

- Kubeadm: fix a bug where the --rootfs global flag does not work with "kubeadm upgrade node" for control plane nodes. ([#123096](https://github.com/kubernetes/kubernetes/pull/123096), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

## Dependencies