Michael Kay has released Saxon 8.0, an implementation of XSLT 2.0, XPath 2.0, and XQuery in Java. Saxon 8.0 is published in two versions for both of which Java 1.4 is required. Saxon 8.0B is an open source product published under the Mozilla Public License 1.0. Saxon 8.0SA is a payware version (price as yet unannounced) that adds support for schema types.