Being to restrictive can result in switching off the schema validation in order to improve stuff or use new features (seen that a lot in projects)... So personally I wouldn't have too big problems if there are backward compatible changes in the Schema in Micro-Versions. And follow your instinct is never the worst idea :-) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4225063#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...