li><a href=/v1.22/docs/ambient/ title="Information for setting up and operating Istio with support for ambient mode.">Ambient Mode</a><svg class="icon breadcrumb-arrow"><use xlink:href="/v1.22/img/icons.svg#breadcrumb-arrow"/></svg></li><li>Upgrade</li></ol></nav><div class=title-area><div style=width:100%><h1 id=title>Upgrade</h1></div></div><p>Upgrade guide for Istio ambient mode.</p><div class=section-index><div class=entry title="4 minute read"><h5><a href=/v1.22/docs/ambient/upgrade/helm-upgrade/>Upgra