ersion.</p><p>Alternatively, if you want to do a skip-level upgrade directly from Istio 1.4 to 1.6 or later, you should use the
<a href=/v1.22/docs/setup/upgrade/canary/>canary upgrade</a> method to install a new Istio version as a separate control plane, and
gradually migrate your workloads to the new control plane completing the security policy migration at the same time.</p><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.22/img/icons.svg#callout-warning"/>