The latest release of DITA includes an version of the architecture using W3C XML Schema. Recently a new DITA Technical Committee has been create at OASIS for development and maintenance of the DITA. The DITA XML Schema is an experiment to determine the merits of XML Schema to create and maintain specialized content. Deriving new specialized content using XML Schema object oriented design helps make specialization less error prone than manually doing them using DTDs. Support for authoring documents based on XML Schema is growing, but there are still some limitations to standard tool support you need to be aware of before accepting XML Schema as your default method to author the content of DITA topics.