"The Codehaus XFire team is proud to announce XFire 1.2.1!
* Support for Collections of Collections
* A new example featuring a JAX-WS, Spring, and WSDL-first approach
* Services.xml and XFireClientFactoryBean now resolve WSDLs off the classpath
* Many JAX-WS generation fixes
* NullPointerException with JAXB headers in a generate Client
* Several other bug fixes"
Fonte:
http://blogs.codehaus.org/archives/001395_xfire_121_released.html