- Reduce default NodeStatusReportFrequency to 5 minutes. With this change, periodic node status updates will be send every 5m if node status doesn't change (otherwise they are still send with 10s).

- HPA reaction to metric changes has been spend up by removing the scale up forbidden window. ([#66615](https://github.com/kubernetes/kubernetes/pull/66615), [@jbartosik](https://github.com/jbartosik))

### SIG AWS

- Fixed an issue where the API server did not send impersonated UID to authentication webhooks. ([#116681](https://github.com/kubernetes/kubernetes/pull/116681), [@stlaz](https://github.com/stlaz)) [SIG API Machinery and Auth]

* The HorizontalPodAutoscaler controller will now only send updates when it has new status information, reducing the number of writes caused by the controller. ([#47078](https://github.com/kubernetes/kubernetes/pull/47078), [@DirectXMan12](https://github.com/DirectXMan12))

    * `admission/v1alpha1#AdmissionReview` now contains `AdmissionRequest` and `AdmissionResponse`. `AdmissionResponse` includes a `Patch` field to allow mutating webhooks to send json patch to the apiserver.
* support mount options in azure file ([#54674](https://github.com/kubernetes/kubernetes/pull/54674), [@andyzhangx](https://github.com/andyzhangx))

* Update Cluster Autoscaler to version 1.3.7. ([#74136](https://github.com/kubernetes/kubernetes/pull/74136), [@jkaniuk](https://github.com/jkaniuk))
* Fix watch to not send the same set of events multiple times causing watcher to go back in time ([#73845](https://github.com/kubernetes/kubernetes/pull/73845), [@wojtek-t](https://github.com/wojtek-t))

* Fix watch to not send the same set of events multiple times causing watcher to go back in time ([#73845](https://github.com/kubernetes/kubernetes/pull/73845), [@wojtek-t](https://github.com/wojtek-t))

* Use versioned object when computing patch ([#23145](https://github.com/kubernetes/kubernetes/pull/23145), [@liggitt](https://github.com/liggitt))
* kubelet: send all recevied pods in one update ([#23141](https://github.com/kubernetes/kubernetes/pull/23141), [@yujuhong](https://github.com/yujuhong))

- Spedup 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))
- Fixed watch to not send the same set of events multiple times causing watcher to go back in time ([#73845](https://github.com/kubernetes/kubernetes/pull/73845), [@wojtek-t](https://github.com/wojtek-t))

 	* Use correct option name in the kubernetes-worker layer registry action ([#44921](https://github.com/kubernetes/kubernetes/pull/44921), [@jacekn](https://github.com/jacekn))

	* Send dns details only after cdk-addons are configured ([#44945](https://github.com/kubernetes/kubernetes/pull/44945), [@ktsakalozos](https://github.com/ktsakalozos))