Whereas Apple is predicted to launch a slew of software program updates subsequent week, together with iOS 17.2 and macOS 14.2, just a few smaller firmware updates already arrived this week. As we beforehand reported, there’s one other AirPods Professional firmware replace—bringing the entire this fall to 5—and now there’s a uncommon replace to the 140-watt energy adapter that ships with the 16-inch MacBook Professional.

Earlier than you ask, no, we don’t know what it does. However we do comprehend it brings the model quantity to 1.4.73 and the construct quantity to 10M5237. Apple doesn’t doc this sort of firmware replace with launch notes so we don’t know what bug fixes or options it brings, however in response to Aaron613 on X, who tracks software program and firmware updates, it’s the primary time Apple has up to date the 140-watt charger because it debuted alongside the 16-inch MacBook Professional in 2021.

Apple ships all 16-inch MacBook Execs with the 140-watt energy adapter, which is required for quick charging together with the provided USB-C to MagSafe 3 Cable. On the latest M3 fashions, quick charging can be obtainable with Apple’s 240W USB-C Cost Cable, so the replace could also be associated to that new performance.

There’s no approach to power your charger to replace. The ability adapter will replace when plugged in and connected to your MacBook, however there’s no assure it would do it right this moment. To verify your firmware model, go to the Normal tab in System Settings, then click on About and scroll right down to System Report. Then click on the Energy tab and scroll right down to AC Charger Info.