I picked up never alone and really like it, but it has some problems for me. I see weird shading issues. It is like a polygon that goes through my character. Whenever I jump, the shaded polygon (which goes across the whole screen) follows my character.

Is this a known issue? I looked on the Steam forum, but the issues are locked there. I am using Mesa stable.

I'm just very curious if anyone else has seen this issue, and whether you are using Mesa? It is present from the opening scene (of the polar bear chasing you.