- [Other notable changes](#other-notable-changes-13)
- [v1.4.0-beta.5](#v140-beta5)
  - [Downloads](#downloads-11)
  - [Changelog since v1.4.0-beta.3](#changelog-since-v140-beta3)
    - [Other notable changes](#other-notable-changes-14)
- [v1.4.0-beta.3](#v140-beta3)
  - [Downloads](#downloads-12)
  - [Changelog since v1.4.0-beta.2](#changelog-since-v140-beta2)

API has been promoted to policy/v1 with no schema changes. The only functional change is that an empty selector (`{}`) written to a policy/v1 PodDisruptionBudget now selects all pods in the namespace. The behavior of the policy/v1beta1 API remains unchanged. The policy/v1beta1 PodDisruptionBudget API is deprecated and will no longer be served in 1.25+. ([#99290](https://github.com/kubernetes/kubernetes/pull/99290), [@mortent](https://github.com/mortent)) [SIG API Machinery, Apps, Auth, Autoscaling,...

## **Action Required Before Upgrading**

### Network

### RuntimeClass feature graduates to General Availability.

* The `PriorityClass` API has been promoted to `scheduling.k8s.io/v1beta1` ([#63100](https://github.com/kubernetes/kubernetes/pull/63100), [@ravisantoshgudimetla](https://github.com/ravisantoshgudimetla))

- 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]

- Kubeadm: enhanced the "patches" functionality to be able to patch kubelet config files containing `v1beta1.KubeletConfiguration`. The new patch target is called `kubeletconfiguration` (e.g. patch file `kubeletconfiguration+json.json`).This makes it possible to apply node specific KubeletConfiguration options during `init`, `join` and `upgrade`, while the...