Istio installation to no longer manage the installation namespace, allowing more flexibility.</li><li><em><strong>Removed</strong></em> the separate Citadel, Sidecar Injector, and Galley deployments. These were disabled by default in 1.5, and all functionality has moved into Istiod.</li><li><em><strong>Removed</strong></em> the legacy <code>istio-pilot</code> configurations, such as Service.</li><li><em><strong>Removed</strong></em> ports 15029-15032 from the default <code>ingressgateway</code>. It is recom