ute read"><h5><a href=/v1.11/docs/setup/upgrade/helm/>Upgrade with Helm</a></h5><p>Upgrade and configure Istio for in-depth evaluation.</p></div><div class=entry title="5 minute read"><h5><a href=/v1.11/docs/setup/upgrade/gateways/>Managing Gateways with Multiple Revisions</a></h5><p>Configuring and upgrading Istio with gateways.</p></div></div><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.11/img/icons.svg#callout-warning"/></svg></div><div class=content>Up