h2><p>Istio 1.6 no longer supports the following security policy APIs:</p><ul><li><a href=https://archive.istio.io/v1.4/docs/reference/config/security/istio.authentication.v1alpha1/><code>v1alpha1</code> authentication policy</a></li><li><a href=https://archive.istio.io/v1.4/docs/reference/config/security/istio.rbac.v1alpha1/><code>v1alpha1</code> RBAC policy</a></li></ul><p>Starting in Istio 1.6, Istio ignores these <code>v1alpha1</code> security policy APIs.</p><p>Istio 1.6 replaced the <code>v1alpha1</co