Apple has updated the iPad mini , and this time the OLED screen is the star. Here's what's changed in the eighth-gen model compared to the iPad mini 7.

The launch of the eighth-generation iPad mini is, for once, an evolutionary act on Apple's part. It is a continuation of the company's effort to bring OLED to every platform.

Previously only available on the iPad Pro models, it's now hit Apple's smallest tablet, jumping past the iPad Air entirely.

Of course, while the display's the thing everyone will talk about, there are a few other changes in the new model to consider.…