y included if the new behavior would be unexpected to a user of Istio 1.8.</p><h2 id=peerauthentication-per-port-level-configuration-will-now-also-apply-to-pass-through-filter-chains>PeerAuthentication per-port-level configuration will now also apply to pass through filter chains</h2><p>Previously the PeerAuthentication per-port-level configuration is ignored if the port number is not defined in a
service and the traffic will be handled by a pass through filter chain. Now the per-port-level setting will be
