- Migrated the `volumebinding scheduler plugins` to use [contextual logging](https://k8s.io/docs/concepts/cluster-administration/system-logs/#contextual-logging). ([#116803](https://github.com/kubernetes/kubernetes/pull/116803), [@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))

- Fixed the `PodAndContainerStatsFromCRI` feature, instead of supplementing with stats from cAdvisor. ([#113291](https://github.com/kubernetes/kubernetes/pull/113291), [@mengjiao-liu](https://github.com/mengjiao-liu))
- Fixed the occasional double-counting of the `job_finished_total` metric. ([#112948](https://github.com/kubernetes/kubernetes/pull/112948), [@mimowo](https://github.com/mimowo))

- Pod SecurityContext and PodSecurityPolicy supports slash as sysctl separator. ([#106834](https://github.com/kubernetes/kubernetes/pull/106834), [@mengjiao-liu](https://github.com/mengjiao-liu)) [SIG Apps, Architecture, Auth, Node, Security and Testing]

    * 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.