Funny bug, wondering if anyone else has seen this texture?

I’m sorry if this is the wrong place to put this, but please look at the following picture and tell me what on earth is going on? I don’t know where else to look, any insight into what this texture is would be helpful (I just want to learn to be honest). It appears when there’s no texture on a material very briefly.

Yeah I’ve seen it before. It looks like some type of sprite sheet, but not in the form I’ve ever seen. My best guess is that its a sprite for the Unity Editor, but I couldn’t tell you why you’re seeing it. If it only pops up occasionally for you in the editor, cant be doing too much harm. Just make sure you’re always in the most up to date version of Unity just to be safe though.