Apple Plans to Overhaul Entire Mac Line With AI-Focused M4 Chips

Apple, aiming to boost sluggish computer sales, is preparing to overhaul its entire Mac line with a new family of in-house processors designed to highlight artificial intelligence.

The company, which released its first Macs with M3 chips five months ago, is already nearing production of the next generation — the M4 processor — according to people with knowledge of the matter. The new chip will come in at least three main varieties, and…