I can only talk about my saves. Those saves from 0.5 were causing error in 0.6. Now, the new saves from 0.6=error in 0.7. I'm only talking about MY saves. I use URM but do not change any variables.
Since he added it, the dev needs to match the content in the vanilla/harem path retroactively, because right now most of the juicy content is only in the NTR path.