g issue</a> with upgrades - you can safely perform a canary upgrade of your control plane regardless of whether or not it was installed using a revision.</p><p>To improve the sidecar injection experience, <code>istio-injection</code> and <code>sidecar.istio.io/inject</code> labels were introduced. We recommend you to switch to using injection labels, as they perform better than injection annotations. We intend to deprecate the injection annotations in a future release.</p><h2 id=kubernetes-multi-cluster-ser