* Speedup kubectl by >10 when calling out to kube-apiserver for discovery information. ([#73345](https://github.com/kubernetes/kubernetes/pull/73345), [@sttts](https://github.com/sttts))

* add support for projected volume in describe function  ([#70158](https://github.com/kubernetes/kubernetes/pull/70158), [@WanLinghao](https://github.com/WanLinghao))
* Speedup process lookup in /proc ([#66367](https://github.com/kubernetes/kubernetes/pull/66367), [@cpuguy83](https://github.com/cpuguy83))

  on Windows platform during upgrade. ([#117861](https://github.com/kubernetes/kubernetes/pull/117861), [@SataQiu](https://github.com/SataQiu))
- `kubeadm`: speedup init by 0s or 20s. kubelet-start phase is now after etcd
  and control-plane phases, removing a race condition between kubelet looking for

### Skip Volume Ownership change graduates to GA

The feature to configure volume permission and ownership change policy for Pods moved to GA in 1.23.
This allows users to skip recursive permission changes on mount and speeds up the pod start up time.

### Allow CSI drivers to opt-in to volume ownership and permission change graduates to GA