Yes, that's were it all started to come apart was at build 30344. I took it off experimental, and it updated to the last stable build. 30083 I think. I will give it time for the devs to fix it, then go back to experimental again.
Started a new game and its worse. Can't swim just running on the bottom. Still no blueprints. Just will have to wait until it gets fixed, or try to reinstall