1.1 - Omnibus release with ROME patches + JDK 1.5 changes.
1.5 - Migration to org.rometools
1.6 - Elimination of Syd* interfaces and Synd*Impl in favor of base objects
1.7 - Introduction of "Rome" class with pass-by-ref context for modules
1.8 - Addition of a factory by package for the Rome class.
1.9 JSR-330 remix of the Rome class and all deps.