According to 9to5Mac , macOS 26.4 also introduces a new “Slow Charger” indicator that appears when your MacBook is connected to a power adapter that isn’t delivering enough wattage. The warning shows up in the battery status menu and in battery settings, making it easy to spot when something isn’t right with your charging setup. Windows laptops have had this figured out for a while, but on a MacBook, slow charging hasn’t always been this easy to diagnose. You could...
