rade/ title="Upgrade, downgrade, and manage Istio accross multiple control plane revisions.">Upgrade</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.10/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Managing Gateways with Multiple Revisions (Experimental)</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Managing Gateways with Multiple Revisions (Experimental)</h1><p class=byline><span class=reading-time title="975 words"><svg class="icon clock"><use xlink:href="/v1.10/img/