- 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))

* 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))

- 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]

- Added support for installing `arm64` node artifacts. ([#99242](https://github.com/kubernetes/kubernetes/pull/99242), [@liu-cong](https://github.com/liu-cong))

* Fix the bug that query Kubelet's stats summary with CRI stats enabled results in error. ([#53107](https://github.com/kubernetes/kubernetes/pull/53107), [@Random-Liu](https://github.com/Random-Liu))

    * This keeps the behavior consistent with Docker integration, and fixes an issue that some container Prometheus metrics don't work when there are summary stats for multiple instances of the same pod.

- Kubernetes is now built with Golang 1.17.2 ([#105563](https://github.com/kubernetes/kubernetes/pull/105563), [@mengjiao-liu](https://github.com/mengjiao-liu))

- Removed kube-scheduler insecure flags. You can use `--bind-address` and `--secure-port` instead. ([#106865](https://github.com/kubernetes/kubernetes/pull/106865), [@jonyhy96](https://github.com/jonyhy96))
- Removed the `ImmutableEphemeralVolumes` feature gate. ([#107152](https://github.com/kubernetes/kubernetes/pull/107152), [@mengjiao-liu](https://github.com/mengjiao-liu))

- Base-images: Update to `debian-base:buster-v1.7.1` ([#102594](https://github.com/kubernetes/kubernetes/pull/102594), [@mengjiao-liu](https://github.com/mengjiao-liu))
- Deprecated warning message for `igonre-errors` flag. ([#102677](https://github.com/kubernetes/kubernetes/pull/102677), [@yuzhiquan](https://github.com/yuzhiquan))

  * Detach the volume when pod is terminated ([#45286](https://github.com/kubernetes/kubernetes/pull/45286), [@gnufied](https://github.com/gnufied))

  * CRI: Fix StopContainer timeout ([#44970](https://github.com/kubernetes/kubernetes/pull/44970), [@Random-Liu](https://github.com/Random-Liu))