The spec is open and revised in public. How the reference software is licensed is not decided, and we will not pretend otherwise.
Review the frame format and tell us where the header wastes bytes.
Bring a net. Your channel plan and traffic profile beat our assumptions.
Write a second implementation. Interoperability is the whole point.
Attack the threat model, starting with key fill and replay.
Coalition interoperability is easier to design in than to retrofit.
Received. We will come back to you direct.