h. If you are using revision for gateways in <code>IstioOperator</code> in 1.7,
before moving to 1.8, you must upgrade it to the revision of the Istiod (or delete
the revision if you don’t use revision). See <a href=https://github.com/istio/istio/issues/28849>Issue #28849</a>.</p><h2 id=istio-coredns-plugin-deprecation>Istio CoreDNS Plugin Deprecation</h2><p>The Istio sidecar now provides native support for DNS resolution with <code>ServiceEntries</code> using
<code>meshConfig.defaultConfig.proxyMetadata.