* The webhook admission plugin now works even if the API server and the nodes are in two separate networks,for example, in GKE.
The webhook admission plugin now lets the webhook author use the DNS name of the service as the CommonName when generating the server cert for the webhook.
Action required:

- The `PodSecurity `admission plugin has graduated to `beta` and is enabled by default. The admission configuration version has been promoted to `pod-security.admission.config.k8s.io/v1beta1`. See https://kubernetes.io/docs/concepts/security/pod-security-admission/ for usage guidelines. ([#106089](https://github.com/kubernetes/kubernetes/pull/106089), [@liggitt](https://github.com/liggitt))...

secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

**Note**: This only impacts the cluster if the ServiceAccount admission plugin is used (most cluster should have this on by default as recommended in https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#serviceaccount), the `kubernetes.io/enforce-mountable-secrets`...

- Introduce v1alpha1 API for mutating admission policies, enabling extensible admission control via CEL expressions (KEP  3962: Mutating Admission Policies). To use, enable the `MutatingAdmissionPolicy` feature...

secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

**Note**: This only impacts the cluster if the ServiceAccount admission plugin is used (most cluster should have this on by default as recommended in https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#serviceaccount), the `kubernetes.io/enforce-mountable-secrets`...

- **Admission webhooks:** Admission webhooks are in widespread use as a Kubernetes extensibility mechanism and have been available in beta since the 1.9 release. The 1.16 release marks the graduation of admission webhooks to general availability (GA).

secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

**Note**: This only impacts the cluster if the ServiceAccount admission plugin is used (most cluster should have this on by default as recommended in https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#serviceaccount), the `kubernetes.io/enforce-mountable-secrets`...

- Replaced deprecated package `k8s.io/utils/pointer` with `k8s.io/utils/ptr` for the pod-security-admission admissiontests. ([#132742](https://github.com/kubernetes/kubernetes/pull/132742), [@PatrickLaabs](https://github.com/PatrickLaabs))

secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

**Note**: This only impacts the cluster if the ServiceAccount admission plugin is used (most cluster should have this on by default as recommended in https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#serviceaccount), the `kubernetes.io/enforce-mountable-secrets`...

  - [Important Security Information](#important-security-information-2)
    - [CVE-2024-3177: Bypassing mountable secrets policy imposed by the ServiceAccount admission plugin](#cve-2024-3177-bypassing-mountable-secrets-policy-imposed-by-the-serviceaccount-admission-plugin)
  - [Changes by Kind](#changes-by-kind-11)
    - [Feature](#feature-7)
    - [Bug or Regression](#bug-or-regression-8)
  - [Dependencies](#dependencies-11)