prerequisites</a><li role=none aria-label="Steps to downgrade to a lower Istio version"><a href=#steps-to-downgrade-to-a-lower-istio-version>Steps to downgrade to a lower Istio version</a><li role=none aria-label="See also"><a href=#see-also>See also</a></li></ol><hr></div></nav><p>The <code>istioctl upgrade</code> command performs an upgrade of Istio. Before performing
the upgrade, it checks that the Istio installation meets the upgrade eligibility
criteria. Also, it alerts the user if it detects any chang