Wireframe Outline

My wireframe outline looks off compared to before.

Did I enable any additional setting by any chance?
Is there a way to revert it back?
What is the purpose of this outline setting?

Any help would be appreciated!

did you mark those edges as Sharp? if so and you don’t want that you can select them and use clear sharp

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I cleared sharp but now it has a reflective gloss-like look its way better than before tho thanks.