and 443, while the old charts used 8080 and 8443. If you have AuthorizationPolicie that reference port these ports, you should update them during this process, or customize the ports to match the old defaults. See the [security advisory](https://istio.io/latest/news/security/istio-security-2021-002/) for more information. #### Other migrations If you see errors like `rendered manifests contain a resource that already exists` during installation, you may need to forcibly take ownership. The script below...