# istio_56306.yaml
apiVersion: release-notes/v2
kind: feature
area: security
issue: [56306]
releaseNotes:
  - |
    **Added** support for ClusterTrustBundle by migrating from `certificates.k8s.io/v1alpha1` to the stable `v1beta1` API in Kubernetes 1.33+. This improves compatibility and future-proofs Istio’s certificate distribution mechanism.