I'm on windows 10, 64 bit, and there's two bugs
1. Whenever I destroy a foundation and there are others surrounding it, I cant replace it with the hammer, I need to quit to the main menu then go back into the game before I can place another one down
2. Just found this out now, I went to the main menu and back into the game so I could replace a raft/foundation, then when I went into a chest all of the items were gone, and it's the same in all of my chests (first time this happened and I've been playing for 2 days and I've re-logged plenty of times and it just happened now)