M5 vs M4 MacBook Air: Apple's 2026 Chip Leap – Is the Upgrade Worth It? The rumor mill has been churning, and with Apple's relentless pace of innovation, it's no surprise we're already looking ahead to the M5 MacBook Air, hot on the heels of the just-released M4 models. But in the whirlwind of 2026 tech, the question …