Hi Jun and Luke, Jun,
I added a section the documents the process for upgrading the controller listeners endpoints: https://cwiki.apache.org/confluence/display/KAFKA/KIP-853%3A+KRaft+Controller+Membership+Changes#KIP853:KRaftControllerMembershipChanges-Upgradingcontrollerlistener Jun and Luke, I am going to address your latest comments next. Thanks! -- -José
