Warning: the helm charts here default to using port 80 and 443, while the old charts used 8080 and 8443.
If you have AuthorizationPolicies 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

![Grafana](https://raw.githubusercontent.com/minio/minio/master/docs/metrics/prometheus/grafana/node/grafana-node.png)

kind: IstioOperator
spec:
  values:
    pilot:
      traceSampling: 0.1 # override from 1.0
```

### Advanced K8s resource overlays

Advanced users may occasionally have the need to customize parameters (like container command line flags) which are not
exposed through either of the installation or configuration APIs described in this document. For such cases, it's