</p><div><p>In versions of Istio prior to 1.4, security policy was configured using <code>v1alpha1</code> APIs (<code>MeshPolicy</code>, <code>Policy</code>, <code>ClusterRbacConfig</code>, <code>ServiceRole</code> and <code>ServiceRoleBinding</code>). After consulting with our early adopters, we made <a href=/v1.22/blog/2019/v1beta1-authorization-policy/>major improvements to the policy system</a> and released <code>v1beta1</code> APIs along with Istio 1.4. These refreshed APIs (<code>PeerAuthentication</c