Components include:

-- JBoss Web Services, which is a JAX-RPC 1.1-compliant SOAP stack.

-- JBoss Clustering, re-architected for improved performance.

-- JBoss Messaging, a JMS 1.1-compatible implementation featuring high availability.

-- JBoss Seam 1.1, which is a unified component programming model and framework featuring data-oriented application wrappers for entity beans as well as integration with the Ajax4jsf framework. Seam 1.1 also reduces the need for database roundtrips via an atomic conversations function.