- `client-go`: `sharedInformerFactory` now waits for goroutines during shutdown for metadatainformer and dynamicinformer. ([#114434](https://github.com/kubernetes/kubernetes/pull/114434), [@howardjohn](https://github.com/howardjohn))

### Bug or Regression

- Bump sigs.k8s.io/apiserver-network-proxy/konnectivity-client to v0.0.30, fixing goroutine leaks in kube-apiserver. ([#108440](https://github.com/kubernetes/kubernetes/pull/108440), [@andrewsykim](https://github.com/andrewsykim)) [SIG API Machinery and Cloud Provider]

## Metrics Changes
### Added metrics
- Add `scheduler_goroutines` metric to track number of kube-scheduler binding and prioritizing goroutines ([#83535](https://github.com/kubernetes/kubernetes/pull/83535), [@wgliang](https://github.com/wgliang))

- fixes an out of range panic in the NoExecuteTaintManager controller when running a non-64-bit build ([#65596](https://github.com/kubernetes/kubernetes/pull/65596), [@liggitt](https://github.com/liggitt))
- Fix kubelet to not leak goroutines/intofiy watchers on an inactive connection if it's closed ([#67285](https://github.com/kubernetes/kubernetes/pull/67285), [@yujuhong](https://github.com/yujuhong))

- Kubernetes is now built with Go `1.20.6`. ([#119324](https://github.com/kubernetes/kubernetes/pull/119324), [@xmudrii](https://github.com/xmudrii))
- Metric `scheduler_scheduler_goroutines` is removed. Use `scheduler_goroutines` instead. ([#117727](https://github.com/kubernetes/kubernetes/pull/117727), [@kerthcet](https://github.com/kerthcet)) [SIG Scheduling]

- Add azure disk WriteAccelerator support ([#87945](https://github.com/kubernetes/kubernetes/pull/87945), [@andyzhangx](https://github.com/andyzhangx)) [SIG Cloud Provider and Storage]
- Add delays between goroutines for vm instance update ([#88094](https://github.com/kubernetes/kubernetes/pull/88094), [@aramase](https://github.com/aramase)) [SIG Cloud Provider]

* Resolves bottleneck in internal API server communication that can cause increased goroutines and degrade API Server performance ([#80465](https://github.com/kubernetes/kubernetes/pull/80465), [@answer1991](https://github.com/answer1991))

* MAC Address filter has been fixed in vSphere Cloud Provider, it no longer ignores `00:1c:14` and `00:05:69` prefixes ([#73721](https://github.com/kubernetes/kubernetes/pull/73721), [@frapposelli](https://github.com/frapposelli))
* add goroutine to move unschedulable pods to activeq if they are not retried for more than 1 minute ([#72558](https://github.com/kubernetes/kubernetes/pull/72558), [@denkensk](https://github.com/denkensk))

### Other (Bug, Cleanup or Flake)

- Add delays between goroutines for vm instance update ([#88094](https://github.com/kubernetes/kubernetes/pull/88094), [@aramase](https://github.com/aramase)) [SIG Cloud Provider]

- Bump `sigs.k8s.io/apiserver-network-proxy/konnectivity-client@v0.0.30` to fix a goroutine leak in kube-apiserver when using egress selctor with the gRPC mode. ([#108437](https://github.com/kubernetes/kubernetes/pull/108437), [@andrewsykim](https://github.com/andrewsykim))