iv><p>The upgrade command can also perform a downgrade of Istio.</p><p>See the <a href=/v1.17/docs/reference/commands/istioctl/#istioctl-upgrade><code>istioctl</code> upgrade reference</a>
for all the options provided by the <code>istioctl upgrade</code> command.</p><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.17/img/icons.svg#callout-warning"/></svg></div><div class=content><code>istioctl upgrade</code> is for in-place upgrade and not compatible with inst