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This is version 2.0 of the ODM. Section 2.5, Changes from Previous Versions, provides a summary of new features. Detailed descriptions of the new features have been incorporated into the text of this document. ODM v2.0 breaks backward compatibility with previous versions of the model in several ways noted in the Changes from Previous Versions summary.
ODM v2.0 can be serialized as XML or JSON and an ODM schema is available for each format.
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