AMQ 5.6 breaks Stomp 1.0 clients, was: Re: 5.5 to 5.6 upgrade, stomp client suddenly gets "User name [ xyz] or password is invalid."

I see that one of the changes going into ActiveMQ 5.6 was Stomp 1.1 support: https://issues.apache.org/jira/browse/AMQ-3449 Could this have changed the Stomp protocol supported in ActiveMQ such that my Stomp 1.0 PHP client can no longer communicate with it? This sounds like a regression, and so s

5.5 to 5.6 upgrade, stomp client suddenly gets "User name [ xyz] or password is invalid."

I've had a Java server with ActiveMQ 5.5.0 running for a long time, with PHP clients connecting via stomp. ActiveMQ configures via broker.xml with basic security config based on http://activemq.apache.org/security.html .. the stomp client posts simple messages to consumers listening in the Java se