Well, after hitting this with 0.15.3 again, I banged my head against it some more. As far as I can tell, there was something cached in XCode that even a Project, Clean wasn't taking care of. I moved all prior LibRAWs away, did a clean, and rebuilt and voila! No signs things were pointing to these, but I can only assume some structure size difference b/n 0.14 and 0.15 was getting things off.
Well, after hitting this with 0.15.3 again, I banged my head against it some more. As far as I can tell, there was something cached in XCode that even a Project, Clean wasn't taking care of. I moved all prior LibRAWs away, did a clean, and rebuilt and voila! No signs things were pointing to these, but I can only assume some structure size difference b/n 0.14 and 0.15 was getting things off.