I didn't even buy the GOTY edition, just standard and not working...
Wow, yeah it seems Standard Disc isn't compatible with Standard Digital either. So there's at least 3 versions of the game with incompatible saves on PS4, pretty incredible.
Predictions (Made July 2019)
LTD: PS4 - 130m, Switch - 110m, XBO - 52m 2019 : PS4 - 15m, Switch - 18.8m, XBO - 4.8m 2020: Switch - 22m (Peak Year)