I think Jeff is mainly programming Biab so RealBand only gets a few tweaks or cosmetic changes.
If it was me, I'd be working on improving it day in day out, and at the same time I'd be moving the generate code into the actual PLUGIN C++ code. Once they get the play wma direct working it would have to all go ahead, with the PLUGIN giving instant Gen in any DAW with no waiting for wav files written to hard drive, give the same in RealBand with NDE.
It's the same with the PLUGIN it has to wait for the Biab programmers to add things to BBW4 that the PLUGIN needs, so it to is slower in progress than it could be.
At the moment everything runs on Biab or Biab in the background.

Again, it's going to be more years waiting, so that's why I made it all work with Reaper giving the users way more control of everything, I just wish I knew to do this 15 years ago without wasting all my time trying to make RealBand better [Linked Image - Only viewable when logged in] [Linked Image - Only viewable when logged in] I had to learn how it all worked because of sheer frustration to do it, PG already knew how it all worked but they didn't look at other DAW's like Reaper to see how easy they worked.
Just a bit worn out these days from it all.