date the telemetry
configuration to enable host header fallback.</p><h2 id=envoyfilter-matchrouteconfigurationvhostname-semantics-change><code>EnvoyFilter</code> <code>match.routeConfiguration.vhost.name</code> semantics change</h2><p><code>EnvoyFilter</code> matches rely on internal implementation details to match generated xDS segments, which is subject to change at any time.</p><p>In this release, the <a href=/v1.18/docs/reference/config/networking/envoy-filter/#EnvoyFilter-RouteConfigurationMatch-Virtua