I don't see why deprecation would break anything. The attribute would still work and as we are agreed on an alias wouldn't mean a code change (although it could, as Ronald suggested, print out a warning) - the difference would just be in the docs i.e. expression - a Unified EL expression (deprecated, use execute) execute - a Unified EL expression View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4081061#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...