It appears the federal government is opening up bids to build a framework for open source solutions in future VistA development.
the Scope of Work from the SOW appears below
The two Open Source SMEs shall identify governance areas and provide strategic, industry focused insights for developing an Open Source governance Request for Information (RFI). Technical assistance, market research and requirements/objectives definition shall be required for the development of the RFI and acquisition documentation necessary to then issue a Custodial Framework Request for Proposal (RFP) in a subsequent procurement action. The Open Source SMEs shall provide insight on the operational relationship between VA and a proposed independent foundation that would govern an Open Source version of VistA. The federal and software acquisition SME shall work with the Open Source SMEs to contribute to defining VA’s acquisition strategy and development of acquisition documentation for the Open Source initiative.