- Migrated the StatefulSet controller (within `kube-controller-manager`) to use [contextual logging](https://k8s.io/docs/concepts/cluster-administration/system-logs/#contextual-logging) ([#113840](https://github.com/kubernetes/kubernetes/pull/113840),...

* All pods with priorityClassName system-node-critical and system-cluster-critical will be critical pods while preserving backwards compatibility. ([#58835](https://github.com/kubernetes/kubernetes/pull/58835), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))

*   [alpha] Raw block volumes
    *   Support for surfacing volumes as raw block devices added to Kubernetes storage system.
    *   Only Fibre Channel volume plugin supports exposes this functionality, in this release.
*   [alpha] Volume resizing
    *   Added file system resizing for the following volume plugins: GCE PD, Ceph RBD, AWS EBS, OpenStack Cinder
*   [alpha] Topology Aware Volume Scheduling

- The e2e suite can be instructed not to wait for pods in kube-system to be ready or for all nodes to be ready by passing `--allowed-not-ready-nodes=-1` when invoking...

* The `system-node-critical` and `system-cluster-critical` priority classes are now limited to the `kube-system` namespace by the `PodPriority` admission plugin. ([#65593](https://github.com/kubernetes/kubernetes/pull/65593), [@bsalamat](https://github.com/bsalamat))

### Other notable changes

- The `system-node-critical` and `system-cluster-critical` priority classes are now limited to the `kube-system` namespace by the `PodPriority` admission plugin (matching changes in 1.11.1+). ([#65593](https://github.com/kubernetes/kubernetes/pull/65593), [@bsalamat](https://github.com/bsalamat)) Courtesy of...

`settings/v1alpha1`, and `scheduling/v1alpha1` APIs are disabled by default.

* The `system:node` role is no longer automatically granted to the `system:nodes` group in new clusters. The role gives broad read access to resources, including secrets and configmaps. Use the `Node` authorization mode to authorize the nodes in new clusters. To continue providing the `system:node` role to the members of the `system:nodes` group, create an installation-specific `ClusterRoleBinding` in the installation....

- Migrated `pod-security-admission` to use [contextual logging](https://k8s.io/docs/concepts/cluster-administration/system-logs/#contextual-logging). ([#114471](https://github.com/kubernetes/kubernetes/pull/114471), [@Namanl2001](htt...

- Upon successful authorization check, an impersonated user is added to the system:authenticated group.
  system:anonymous when impersonated is added to the system:unauthenticated group. ([#94410](https://github.com/kubernetes/kubernetes/pull/94410), [@tkashem](https://github.com/tkashem)) [SIG API Machinery and Testing]

  - The built-in `system:csi-external-provisioner` and `system:csi-external-attacher` cluster roles are deprecated and will not be auto-created in a future release. CSI deployments should provide their own RBAC role definitions with required permissions. ([#69868](https://github.com/kubernetes/kubernetes/pull/69868), [@pohly]( https://github.com/pohly))