ode></pre></li><li><p>Refer to the canary upgrade docs for more details on rolling over workloads to the new Istio version:</p><ul><li>Label workload namespaces with istio.io/rev=1-8-1 and restart the workloads.</li><li>Verify that the workloads are injected with the new proxy version and the cluster is functional.</li></ul></li><li><p>Upgrade the gateway to the new revision. Edit the <code>gateways.yaml</code> file from the installation step to change the
revision from <code>1-8-0</code> to <code>1-8-1</co