JBoss Messaging 1.4.0.SP3-CP07 and 1.4.2.GA-SP1 have been released.
This two releases contains an important regression fix:
https://jira.jboss.org/jira/browse/JBMESSAGING-1502
JBoss Messaging 1.4.0.SP3-CP07 release is specifically made for JBoss EAP 4.3 and will be part of EAP 4.3 release.
JBoss Messaging 1.4.2.GA-SP1 is for JBoss Application Server 4.2. You can download it at jboss.org:
http://www.jboss.org/jbossmessaging/downloads/