Some Failures after updating blender up to 2.82 from 2.8

Here is what happened after running 2.82,



That’s how they should look

I don’t have any ideas how to solve that.What’s next ?

The first reminds me of convex hull. Have you tried File> Append?

Yes. It didnt help . I also tried to export scene and import it into different . blend project . The strangest side is if i delete all faces its going to be normal again. Also other strangest side is in render viewport it visualizes normally too.