This is fixed in the next update, but for now I have a patch for it.
https://mega.nz/file/78VnmC6D#Qbc-_toT-YCXM1AV3hXpGBsiap4CdlCkluWYIsnJlVc
Drag the renpy folder from this onto the existing one in the game. It should replace 2 files. Saves should work fine after that.