umes) 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 and restore,...

- `cacheSize` field in `EncryptionConfiguration` is not supported for KMSv2 provider ([#113121](https://github.com/kubernetes/kubernetes/pull/113121), [@aramase](https://github.com/aramase))
- `k8s.io/component-base/logs` now also supports adding command line flags to a `flag.FlagSet`. ([#114731](https://github.com/kubernetes/kubernetes/pull/114731), [@pohly](https://github.com/pohly))

* vSphere cloud provider: vSphere Storage policy Support for dynamic volume provisioning ([#46176](https://github.com/kubernetes/kubernetes/pull/46176), [@BaluDontu](https://github.com/BaluDontu))
* Add support for emitting metrics from openstack cloudprovider about storage operations. ([#46008](https://github.com/kubernetes/kubernetes/pull/46008), [@NickrenREN](https://github.com/NickrenREN))

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      and charge a fee for, acceptance of support, warranty, indemnity,
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      License. However, in accepting such obligations, You may act only

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      and charge a fee for, acceptance of support, warranty, indemnity,
      or other liability obligations and/or rights consistent with this
      License. However, in accepting such obligations, You may act only

   9. Accepting Warranty or Additional Liability. While redistributing
      the Work or Derivative Works thereof, You may choose to offer,
      and charge a fee for, acceptance of support, warranty, indemnity,
      or other liability obligations and/or rights consistent with this
      License. However, in accepting such obligations, You may act only

- Support for proxying a request to a peer kube-apiserver if the local apiserver is not able to serve it due to version skew or in the case the requested api is disabled on the local apiserver ([#117740](https://github.com/kubernetes/kubernetes/pull/117740), [@Richabanker](https://github.com/Richabanker)) [SIG API Machinery, Apps, Auth, Cloud Provider, Network, Node and Testing]

### Windows support improved

- [Performance dashboards](http://perf-dash.k8s.io/#/?jobname=soak-tests-capz-windows-2019) added support for Windows
- [Unit tests](https://github.com/kubernetes/kubernetes/issues/51540) added support for Windows

The generic ephemeral volume feature moved to GA in 1.23.
This 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.
All StorageClass parameters for volume provisioning and all features supported with PersistentVolumeClaims are supported.

### Skip Volume Ownership change graduates to GA

If CSIMigrationvSphere feature gate is enabled, user should not upgrade to Kubernetes v1.22. vSphere CSI Driver does not support Kubernetes v1.22 yet because it uses v1beta1 CRD APIs. Support for v1.22 will be added at a later release. Check the following document for supported Kubernetes releases for a given [vSphere CSI Driver version](https://vsphere-csi-driver.sigs.k8s.io/compatiblity_matrix.html#compatibility-matrix-for-vsphere-csi-driver).