Will the new NIEM-UML Profile be aligned to NIEM 3.0?

Yes, the NIEM-UML Profile will be updated to align to 3.0. The NIEM PMO also plans to support requests by current and prospective NIEM-UML tool vendors to incorporate NIEM 3.0 capabilities into their services.

For more information on NIEM-UML, please click on this link:  https://www.niem.gov/technical/Pages/niem-uml.aspx