While playing the recent beta I have experienced multiple crashes while in the designer. Yesterday I had decided to check my task manager because there was a high amount of stuttering going on, and saw that the game was using 1500MB of RAM while in the designer. The game crashed before I could screenshot this (presumably due to running out of RAM), but I took this earlier today:
When I launch the game and go to the designer it's only using 500-600MB of RAM. I don't know what is causing this. Though it seems it might happen when launching the craft and going back to the designer. As I type this, the game is using around 850MB of RAM.
-10 gb ram