Release Notes: The "Too many different cell formats" error message in Excel was fixed. An id was added for properties. If not specified, it will continue to be the expression, as before. The setIncludeExtraLevel method was added to the BodyDtd interface. Maven 2.0 is now used. Maven 1.0 support should be considered deprecated. It will be maintained only for code dependencies, but the site will be generated using Maven 2.0 from now on.