grades</a></li><li role=none><a role=treeitem title="Upgrade and configure Istio for in-depth evaluation." href=/v1.11/docs/setup/upgrade/helm/>Upgrade with Helm</a></li><li role=none><a role=treeitem title="Configuring and upgrading Istio with gateways (Experimental)" href=/v1.11/docs/setup/upgrade/gateways/>Managing Gateways with Multiple Revisions *</a></li></ul></li><li role=treeitem aria-label="More Guides"><button class=show aria-hidden=true></button><a title="More information on additional setup task