I've created the tag https://svn.jboss.org/repos/jbossas/tags/JBoss_5_0_0_CR2/
working there to complete the release notes for CR2:
Meanwhile, AS trunk is unfrozen so you can start working towards GA.
Please be cautious about what you commit. We want to keep the changes from CR2 -> GA to
minimal. And since our testsuites are mostly clean, things are somewhat simplified now:
You break it, You fix it :-)