I've built bases in the mushroom forest before. I've built small to huge bases. I've built on the floating island, inside the entrance to primary containment, and pretty much everywhere between. The release build just seems to be worse.
(Quote)
I have had the OP's issue in every build for a year now. I'm running an i7-5820K with 64G RAM and a 1070GTX. shouldn't this handle the default graphics settings?
I have the OP's issue even with a small base. It started when the whole base was a Moonpool, one corridor, and one MPR. When I expanded the base the 70 meters to the surface and added another dozen MPRs and a half dozen corridors it got to the point…