Photography word for the out of focus bits. The design of the lens, shape and quantity is aperture blades, maximum aperture size, distance to the subject, all kinds of stuff make the blurry bits different. Phones often try to fake this with a portrait mode setting.

My friends 2016 had what you’re describing but my 2021 Subaru has the turning ones that actually swivel. It does a fun little going cross-eyed dance when you turn it on to make sure it’s working or something.