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We will support --if-exists and --if-not-exists when --bootstrap-server is specified. Previously, this was only supported if --zookeeper was specified.
kafka-acls.sh changes
In kafka-acls.sh will no longer , support for directly updating ACLs through AclAuthorizer extensions will be deprecated and eventually removed in a major release. Instead users will be expected to update ACLs through the admin client by providing the --bootstrap-server argument.
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