With its star having dimmed in Apple Inc.’s firmament, the Mac might seem safe for the company to shake up. But there is still some risk to messing with a 36-year-old business.
Apple on Tuesday introduced its first Mac computers running on the company’s own central processor. That chip, dubbed the M1, will replace the processors from Intel Corp. that have powered the Mac lineup since 2006. It will start in the company’s smallest laptops—the MacBook Air and 13-inch MacBook Pro—as well as the Mac Mini, all of which begin shipping…