ple replicas.</p><p>In the following steps, we assume that the Istio components are installed and upgraded in the <code>istio-system</code> namespace.</p><h2 id=upgrade-steps>Upgrade steps</h2><ol><li><p><a href=/v1.0/docs/setup/kubernetes/download-release/>Download the new Istio release</a>
and change directory to the new release directory.</p></li><li><p>Upgrade Istio's <a href=https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/#customresourcedefinitions>Custom Resource D