I committed it yesterday https://svn.jboss.org/repos/jbossas/projects/metadata/trunk/src/main/java/org/jboss/metadata/annotation/creator/ejb/jboss/JBoss50Creator.java
It should replace EjbJar30Creator when complete.
It's not used currently, actually. I am writing the tests and fixing the override logic where needed.
Then there will have to be a refactoring to replace EjbJar30Creator.
Thanks, Alexey; would you ping me when that's done? I'll refactor some of my tests to use it. :)
Yes, I'll post on the forums when it's ready to use.