In 2021, the iMac got a major refresh with a spiffy new design and a new M1 processor. It was a much-needed update to an iconic line of computers. It’s been 16 months since the M1 iMac was released, and as we get closer to its two-year anniversary, I’ve been thinking about what I’d like to see in the next update. After putting some thought into what I want in a new iMac, I concluded that most of the features I want don’t fit with the current iMac. Instead, I’d like to see a the return of the iMac Pro, which was discontinued last year. Like the MacBook, Apple needs distinct lines with the iMac—…