Compatibility of Release 5.1: The UML2 project will be developed in parallel, and released simultaneously, with the following projects. As stated above, each milestone release of the UML2 project will be compatible with the corresponding milestones for each of these projects, and delivered the appropriate offset.
Eclipse Platform SDK version 4.5
Eclipse Modeling Framework (EMF) version 2.11
Therefore, the UML2 initial release will be compatible with these versions and will publish binary and source compatibilities with migration guides on subsequent releases.