• security callback interface contributed by Shane Corgatelli
  
• check libxslt version
  
• added XML::LibXML-like API to retrieve libxslt version
  
• added output_as_bytes() and output_as_chars()
  
• added regression tests for outputas* to 11utf8.t
  
• output_as_string documentation fixed to match reality
  
• make 06entities.t to pass with older libxml2/libxslt
  
• POD uses items instead of headings
  
• fixed media_type and output_encoding for imported stylesheets [rt.cpan.org #23440]