Union shading reversing and glitching

[RyGuy2777]

[Scottifly]

Is this a Union? It looks like a MeshPart with some of the Faces inverted.

If it is a Union do you have Parts behind that section that are poking out from the inside?

[RyGuy2777]

i wouldnt have said union in the title if it was a mesh i build the same way all the time this issue is new

[Verystupid_stickman]

THIS is an incredibly annoying bug, it is quite jarring to have to see this whenever im working on models.