Version 1.2.1 (this version) corrects a minor bug by making the
AvsVersionId attribute on all message tags optional and changes the data type to
Version 1.2 adds support for updating and recalling messages.
Version 1.1 adds support for a Hub-based architecture where a central Hub is used to channel requests for rights share claims as well as Right Share claims between (prospective) Licensees and (prospective) Licensors. This is in addition to the direct information exchange between (prospective) Licensees and (prospective) Licensors. Version 1.1 was not published and only used for internal testing.
Version 1.1 also adds support for Web Services.