We have released JBoss Messaging 1.2.0 SP1 and it's available at http://labs.jboss.com/portal/jbossmessaging/downloads.
This is the complete list of changes we have made on this release:
http://jira.jboss.org/jira/secure/ReleaseNote.jspa?version=12311291&styleName=Html&projectId=12310061&Create=Create