- Validating admission webhooks are now properly called for CREATE operations on the following resources: tokenreviews, subjectaccessreviews, localsubjectaccessreviews, selfsubjectaccessreviews, selfsubjectrulesreviews ([#76959](https://github.com/kubernetes/kubernetes/pull/76959), [@sbezverk](https://github.com/sbezverk))

### Autoscaling

  // +optional
  optional NonResourceAttributes nonResourceAttributes = 2;
}

// SelfSubjectRulesReview enumerates the set of actions the current user can perform within a namespace.
// The returned list of actions may be incomplete depending on the server's authorization mode,
// and any errors experienced during the evaluation. SelfSubjectRulesReview should be used by UIs to show/hide actions,

*   The RBAC bootstrapping policy now allows authenticated users to create selfsubjectrulesreviews. ([#56095](https://github.com/kubernetes/kubernetes/pull/56095),[ @ericchiang](https://github.com/ericchiang))

  // +optional
  optional NonResourceAttributes nonResourceAttributes = 2;
}

// SelfSubjectRulesReview enumerates the set of actions the current user can perform within a namespace.
// The returned list of actions may be incomplete depending on the server's authorization mode,
// and any errors experienced during the evaluation. SelfSubjectRulesReview should be used by UIs to show/hide actions,

certificate rotation through the certificates API has been promoted from alpha to beta. RBAC cluster roles for the certificates controller have been added for common uses of the certificates API, such as the kubelet's.

* [beta] SelfSubjectRulesReview, an API that lets a user see what actions they can perform with a namespace, has been added to the authorization.k8s.io API group. This bulk query is intended to enable UIs to show/hide actions based on the end user, and for users to quickly...