- Add `plugin_execution_duration_seconds` metric for scheduler framework plugins. ([#84522](https://github.com/kubernetes/kubernetes/pull/84522), [@liu-cong](https://github.com/liu-cong))
- Add `permit_wait_duration_seconds` metric to the scheduler. ([#84011](https://github.com/kubernetes/kubernetes/pull/84011), [@liu-cong](https://github.com/liu-cong))

### Deprecated/changed metrics

- Migrated the noderesources scheduler plugin to use [contextual logging](https://k8s.io/docs/concepts/cluster-administration/system-logs/#contextual-logging). ([#116748](https://github.com/kubernetes/kubernetes/pull/116748), [@mengjiao-liu](https://github.com/mengjiao-liu))

- Kubernetes now supports extra `--prune-whitelist` resources in kube-addon-manager. ([#67743](https://github.com/kubernetes/kubernetes/pull/67743), [@Random-Liu](https://github.com/Random-Liu))
- Graduate Resource Quota ScopeSelectors to beta, and enable it by default. ([#67077](https://github.com/kubernetes/kubernetes/pull/67077), [@vikaschoudhary16](https://github.com/vikaschoudhary16))

* Kubelet: Periodically reporting image pulling progress in log ([#26145](https://github.com/kubernetes/kubernetes/pull/26145), [@Random-Liu](https://github.com/Random-Liu))

* Fix `RunAsGroup` which doesn't work since 1.10. ([#65926](https://github.com/kubernetes/kubernetes/pull/65926), [@Random-Liu](https://github.com/Random-Liu))
* Fix a bug that preempting a pod may block forever. ([#65987](https://github.com/kubernetes/kubernetes/pull/65987), [@Random-Liu](https://github.com/Random-Liu))

    * Update kubectl to v1.10.7.
* Support extra `--prune-whitelist` resources in kube-addon-manager. ([#67743](https://github.com/kubernetes/kubernetes/pull/67743), [@Random-Liu](https://github.com/Random-Liu))

    url: https://github.com/jangia
  - login: shuheng-liu
    avatarUrl: https://avatars.githubusercontent.com/u/22414322?u=813c45f30786c6b511b21a661def025d8f7b609e&v=4
    url: https://github.com/shuheng-liu
  - login: pers0n4
    avatarUrl: https://avatars.githubusercontent.com/u/24864600?u=f211a13a7b572cbbd7779b9c8d8cb428cc7ba07e&v=4

    *   CRI now supports debugging via a verbose option for status functions. ([#53965](https://github.com/kubernetes/kubernetes/pull/53965), [@Random-Liu](https://github.com/Random-Liu))

- Changed CRI pod log directory from `/var/log/pods/UID` to `/var/log/pods/NAMESPACE_NAME_UID`. ([#74441](https://github.com/kubernetes/kubernetes/pull/74441), [@Random-Liu](https://github.com/Random-Liu))

- Migrated the defaultbinder scheduler plugin to use [contextual logging](https://k8s.io/docs/concepts/cluster-administration/system-logs/#contextual-logging). ([#116571](https://github.com/kubernetes/kubernetes/pull/116571), [@mengjiao-liu](https://github.com/mengjiao-liu)) [SIG Instrumentation and Scheduling]