Your issue is?!?!
Please give us more details so we can help you with your issue
Changing rendering quality could help, and have helped for some. But that’s about it. The rest is covered in this topic:
I was flying very calm and suddenly that black thing began to invade my land.
I think you have to fix that problem in the next update.
It’s being looked at. There are some theories but it’s hard to verify as it’s a hard issue to reproduce.