* Fix the bug where kubelet in the standalone mode would wait for the update from the apiserver source, even if there wasn't one. ([#59276](https://github.com/kubernetes/kubernetes/pull/59276), [@roboll](https://github.com/roboll))

* Fix the bug where kubelet in the standalone mode would wait for the update from the apiserver source. ([#59276](https://github.com/kubernetes/kubernetes/pull/59276), [@roboll](https://github.com/roboll))
* fix the create azure file pvc failure if there is no storage account in current resource group ([#56557](https://github.com/kubernetes/kubernetes/pull/56557), [@andyzhangx](https://github.com/andyzhangx))

c-ephemeral-volumes) feature allows any existing storage driver that supports dynamic provisioning to be used as an ephemeral volume with the volume’s lifecycle bound to the Pod. It can be used to provide scratch storage that is different from the root disk, for example persistent memory, or a separate local disk on that node. All StorageClass parameters for volume provisioning are supported. All features supported with PersistentVolumeClaims are supported, such as storage capacity tracking, snapshots...

- Fixes a regression in kubectl and client-go discovery when configured with a server URL other than the root of a server. ([#117685](https://github.com/kubernetes/kubernetes/pull/117685), [@ardaguclu](https://github.com/ardaguclu)) [SIG API Machinery]
- Fixes bug where an incomplete OpenAPI V3 document can cause a nil-pointer crash.

* 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))

* Fixes issue where subpath volume content was deleted during orphaned pod cleanup for Local volumes that are directories (and not mount points) on the root filesystem. ([#72291](https://github.com/kubernetes/kubernetes/pull/72291), [@msau42](https://github.com/msau42))...

- Kubeadm: fix a bug where the --rootfs global flag does not work with "kubeadm upgrade node" for control plane nodes. ([#123097](https://github.com/kubernetes/kubernetes/pull/123097), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

## Dependencies

  * Running against a secured etcd requires these flags to be passed to
kube-apiserver (instead of --etcd-config):
     * --etcd-certfile, --etcd-keyfile (if using client cert auth)
     * --etcd-cafile (if not using system roots)
  * As part of preparation in 1.2 for adding support for protocol buffers (and the
direct YAML support in the API available today), the Content-Type and Accept

* 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))

  * 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))