Apple Inc. is nearing production of updated MacBook Airs with M4 chips for release in early 2025, a follow-up to a wave of new Macs that are coming next week, according to people familiar with the matter. The latest MacBook Air models will look similar to the current design, launched in 2022, but will include the new M4 chip generation, according to the people, who asked not to be identified because the products haven’t been announced. The company is set to soon begin manufacturing new 13-inch a...