★★★☆☆ It comes in Black and White, with matching color accents if ordered with an iMac. Photo: D. Griffin Jones/Cult of Mac The Magic Mouse has been updated with USB-C, and … well, that’s about it.

Apple’s M4 iMac is available for pre-order ahead of its arrival this Friday, and with USB-C accessories. But some buyers have noticed a change to the purchase process compared to previous iMacs. With ...