My world is just hitting winter for the first time, and all of a sudden, random cliffs just have their soil layers collapse out of nowhere, with a bunch of soil conga lines off in the distance as the game tries to process this. At first I thought it was because of a rift that had opened on the first cliff I noticed this on, but then I saw particles on far off cliffs that would randomly collapse when I got close enough. What could be causing this? Is it maybe the grass on these blocks dissapearing?