Is there technical support in nature?

It seems to me that the engine is completely raw. In version 5.1 and 5.2 I can’t import skeleton mesh. The engine freezes on the simplest operations. I’ve already sent a million lag reports to support, but it most likely doesn’t exist. I don’t know what black hole they’re flying into. I was advised to write about my problems here, maybe someone will come and help me solve these problems.