held off after the release. Hiding/Showing documentation does not require TOC approval.
* Cases for other API changes require TOC approval
    * Simple `meshConfig` changes have been approved in the past. Functionality should not be enabled by default.
* For large API changes, 2 members of the TOC must approve the PR before release manager approval in the release branch

		return err
	}
	if err != nil {
		// not found
		return nil
	}
	// found
	res := ObjectToInstance(svc)
	messages.Add(msg.NewUpdateIncompatibility(res,
		"meshConfig.defaultConfig.tracer", "1.21",
		"tracing is no longer by default enabled to send to 'zipkin.istio-system.svc'; "+
			"follow https://istio.io/latest/docs/tasks/observability/distributed-tracing/telemetry-api/",
		"1.21"))

		for port, mode := range pa.PerPort {
			fmt.Fprintf(writer, "      %d: %s\n", port, mode.String())
		}
	}
}

func getMeshConfig(kubeClient kube.CLIClient, istioNamespace string) (*meshconfig.MeshConfig, error) {
	rev := kubeClient.Revision()
	meshConfigMapName := istioctlutil.DefaultMeshConfigMapName

	// if the revision is not "default", render mesh config map name with revision