Not exactly sure how to prove this at all, but right clicking on a particular cave entrance is not allowing me to leave. We set our original camp up next to a cave that I could go in and out of without any problems, but this one particular cave is just plain not letting me leave.
As I walked in, I experienced the glitch similar to when you and a friend enter the house at the same time (stuck in place, can't seem to escape unless you dash), but after dashing and escaping the cave door's clutches, I am now trapped within, and cannot escape unless I hearth, leaving my boat that i left outside behind. (which truly isn't a big deal, just a large inconvenience).
EDIT: Dear god, I found out what the problem is. Tiny stalagmite hidden behind the graphic of the cave door. gg random map generation.