I hope you can see this link: http://jira.jboss.com/jira/secure/IssueNavigator.jspa?mode=hide&requestId=12310442
There are 6 issues, 2 of which still unassigned (JBAS-2645, JBAS-2701).
They are all more or less related to integrating our new webservice stack to 4.0.4.GA.