needed. If there is no default, AdvertiseAddress or os.Hostname() will be used, in that order. ([#56812](https://github.com/kubernetes/kubernetes/pull/56812), [@dims](https://github.com/dims))

* Custom resources can be listed with a set of grouped resources (category) by specifying the categories in the [CustomResourceDefinition spec](https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/#categories). Example: They can be used with `kubectl get important`,...

* kubeadm: remove the AuditPolicyConfiguration feature gate ([#70807](https://github.com/kubernetes/kubernetes/pull/70807), [@Klaven](https://github.com/Klaven))
* Kubeadm:  attributes for join --control-plane workflow are now grouped into a dedicated JoinControlPlane struct ([#70870](https://github.com/kubernetes/kubernetes/pull/70870), [@fabriziopandini](https://github.com/fabriziopandini))

    * The `generate-internal-groups.sh` script in k8s.io/code-generator will generate OpenAPI definitions by default in `pkg/generated/openapi`. Additional API group dependencies can be added via `OPENAPI_EXTRA_PACKAGES=<group>/<version> <group2>/<version2>...`.
* Cinder and ScaleIO volume providers have been deprecated and will be removed in a future release. ([#80099](https://github.com/kubernetes/kubernetes/pull/80099), [@dims](https://github.com/dims))

- NOTE ([#113749](https://github.com/kubernetes/kubernetes/pull/113749), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery]
- Nested `MountPoints` are now grouped correctly on all cases. ([#112571](https://github.com/kubernetes/kubernetes/pull/112571), [@claudiubelu](https://github.com/claudiubelu))