XSLT 2.0 implementation
XQuery 1.0 implementation
XPath 2.0 implementation
Functions, operators, and data types for XPath 2.0
XML Schema 1.0 implementation
Serialization
Saxon extensions to the W3C XSLT/XQuery specifications
Extensibility mechanisms
JAXP interface (transformation, XPath, schema processing)
System Programming Interfaces
Internal changes
Support for DOM and other external tree models