XSLT 2.0 implementation
Functions, operators, and data types for XPath 2.0
Serialization
Saxon extensions to the W3C XSLT/XQuery specifications
Saxon SQL extension instructions
Changes specific to .NET
Extensibility mechanisms
XQJ (JSR 225) interface
System Programming Interfaces
Internal changes
Optimizations and performance improvements
Streamed processing of input documents
Localization (natural language support)