 Kubernetes 1.9 or beyond and
therefore doesn&rsquo;t work on older versions. The alpha initializer mechanism is no longer supported.
<a href=/v1.12/docs/setup/additional-setup/sidecar-injection/#automatic-sidecar-injection>Learn more</a></p></li><li><p><strong>Revised Traffic Rules</strong>. Based on user feedback, we have made significant changes to Istio&rsquo;s traffic management
(routing rules, destination rules, etc.). We would love your continuing feedback while we polish this in the coming weeks.</p