XMLC 2.3 includes all relevant features/enhancements/fixes in XMLC 2.2.14 plus...

New features?

* Upgraded to Xerces2 - XMLC inherits full DOM3 support
* Parser cleanup and consolidation - Hello NekoHTML, goodbye JTidy and Swing
* Deferred Parsing and Dynamic Loading now used exclusively - no more Static Loading
* Changes to the DOMFactory interface - custom DOMFactories will need to be updated

Enhancements?

* Improved serialization code, added OutputOptions.FORMAT_XHTML option

See xmlc-2-3-release-note.html for more info