I was hopeful that Hotfix #7 today would fix this when I saw that it addressed some misc issues when changing regions, but I've tried loading my save again and it still crashes same as before the hotfix.

Hotfix #7 Notes:
https://store.steampowered.com/news/app/1086940/view/3656415107310390368?l=english

No changes for this bug on my end - it's still blocking progress.