plane and data plane to 1.1. See
the <a href=/v1.7/docs/setup/upgrade/>upgrades documents</a> for more information.</p><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.7/img/icons.svg#callout-warning"/></svg></div><div class=content>Be sure to check out the <a href=/v1.7/news/releases/1.1.x/announcing-1.1/upgrade-notes>upgrade notice</a> for a
concise list of things you should know before upgrading your deployment to Istio 1.1.</div></aside></div><h2 id=instal