4. Features Provided as Tech Preview Only
Clustered remote EJB invocations fail if a server shuts down and you use the DIST SYNC cache. This issue is under investigation and clustered remote EJB invocations with the DIST SYNC cache are not supported in a production environment. This functionality is provided as a Tech Preview only.
JBoss OSGi, an implementation of the OSGi specification, is provided as a technology preview only.
The WS-AT/XA transaction bridge functionality is provided as a technology preview only, and is not supported in a production environment.