Got the problems like this, while playing in 0.4.2:
2. When roaming the town, npcs or the Furina just stop to displaying (mostly the npcs, who have to "interact" somehow with Furina)
3. Also, the error in number 2 have multiple paths, like model of Furina just stuck and displaying only in one place.
4. When i go to first dungeon in intro, i killed all enemies outside and inside first building, the closed one with metal sheet door i cant pass, cant understand where i have to find the key, so that leads to consequences like you cant just go out of the dungeon, because you dont open the door, that leads back to village (again, the key or what it is). In fact, you cant leave the dungeon, because the enemies didnt show up anymore and i cant squeeze back like i did in intro or when enter this location. However, i just abuse the game coding holes and skip the time and call Furina, suggesting to meet, what helps me to get out of there.
The 1 error i send as screen (the site dont let me send it as text or pasted image), moderators checking it right now.
I also apologize for my English knowledge, as it is not my native language.