• new parser and callback code (Christian Glahn)
  
• new XML::LibXML::InputCallback class
  
• many bug fixes (including several memory leaks)
  
• documentation and regression fixes and enhancements
  
• Perl wrappers for parsehtml*
  
• make sure parse_* methods are not called on class (bug 11126)
  
• DOM Layer 3 conformance fixes:
  
  • lookupNamespaceURI(empty_or_undef) now returns the default NS
    
• faster getChildrenByTagNameNS implementation
  
• remove the SGML parser code no longer supported by libxml (Michael Krll)