- Promoted API groups `ValidatingAdmissionPolicy` and `ValidatingAdmissionPolicyBinding` to `v1beta1`. ([#118644](https://github.com/kubernetes/kubernetes/pull/118644), [@alexzielenski](https://github.com/alexzielenski)) [SIG API Machinery, Apps and Testing]

### Authentication
* The authentication.k8s.io API group was promoted to v1([#41058](https://github.com/kubernetes/kubernetes/pull/41058), [@liggitt](https://github.com/liggitt))

### Authorization
* The authorization.k8s.io API group was promoted to v1 ([#40709](https://github.com/kubernetes/kubernetes/pull/40709), [@liggitt](https://github.com/liggitt))

- Add three metrics to the job controller to monitor if a job works in healthy condition.
  `IndexedJob` has been promoted to Beta. ([#101292](https://github.com/kubernetes/kubernetes/pull/101292), [@AliceZhang2016](https://github.com/AliceZhang2016))

### Auth

* [GA] The RBAC API group has been promoted from v1beta1 to v1. No API changes were introduced.

* [beta] Advanced auditing has been promoted from alpha to beta. The webhook and logging policy formats have changed since alpha, and may require modification.

    String CRAWLER_DOCUMENT_HTML_CANONICAL_XPATH = "crawler.document.html.canonical.xpath";

    /** The key of the configuration. e.g. noscript,script,style,header,footer,aside,nav,a[rel=nofollow] */
    String CRAWLER_DOCUMENT_HTML_PRUNED_TAGS = "crawler.document.html.pruned.tags";

    /** The key of the configuration. e.g. 120 */

  * Start recording cloud provider metrics for AWS ([#43477](https://github.com/kubernetes/kubernetes/pull/43477), [@gnufied](https://github.com/gnufied))

  * Support iSCSI CHAP authentication ([#43396](https://github.com/kubernetes/kubernetes/pull/43396), [@rootfs](https://github.com/rootfs))

* kube-apiserver --advertise-address is now set using downward API for self-hosted Kubernetes with kubeadm. ([#56084](https://github.com/kubernetes/kubernetes/pull/56084), [@andrewsykim](https://github.com/andrewsykim))

  Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-29923 ([#104368](https://github.com/kubernetes/kubernetes/pull/104368), [@aojea](https://github.com/aojea))
- StatefulSet `minReadySeconds` is promoted to beta. ([#104045](https://github.com/kubernetes/kubernetes/pull/104045), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))

- Promoted `PodHostIPs` condition to `beta`. ([#120257](https://github.com/kubernetes/kubernetes/pull/120257), [@wzshiming](https://github.com/wzshiming))
- Promoted `PodHostIPs` condition to `beta`. ([#121477](https://github.com/kubernetes/kubernetes/pull/121477), [@wzshiming](https://github.com/wzshiming))

### SIG Openstack