1.) Changed appearance, when you slightly alter the angle.
2.) I had expected that the visual insignia would remain the same.
3.) Normal.
4.) Visual bug/changing colors/shaders or shadows. It’s hard to describe.
5.) Always.
6.) Provided. Check below.
7.) Not needed.
8.) Not necessary.
9.) Not necessary.
10.) Not related.
6.) Screenshots:
Normal visuals:
Changed/glitched visuals
Thank you, Skula1975