I've searched the forum and the last update I found was from 7 years ago. Reposting as this is a new issue for me.
Product: Sims 4 Platform: PC Which language are you playing the game in? English...
Ideas
I personally don't have any issue with this so how long did you play in the neighborhoods ?
I posted about this exact thing months ago. With or without mods, new save or old, they just don't. respawn. Don't remember when it started, it's been that long. I know others have the same issue.