So after day 41 i've finally decided to go into the caves, but.. turns out my caves, are actually the surface? I'm not sure what caused this or why it happened the first and last picture are the same area, but the map is completely covered and a little bit darker. (might just be dusk) when i went back ot the area i entered, there was a plugged sinkhole, and i popped somewhere else on the map entirely.
Steps to Reproduce
I have no idea. I simply went and unplugged a sinkhole, went inside, and teleported to this alternate dimension of my current world.
This issue has not been confirmed by a developer yet.