Know when you hit water macOS Sonoma adds USB-C 'liquid detection” function

macOS Sonoma has added a background function that specifically performs "liquid detection" analysis on the USB-C interface of Mac computers. This move seems to be to reduce the occurrence of warranty claims. Apple has not yet used this feature to warn users to unplug devices that may have been wetted by liquid, but Apple has not actually disclosed the exact purpose of this feature.

Starting from iOS 10, the iPhone can detect water in the Lightning port and issue a warning to the user, reminding the user to shut down as soon as possible. Now, the new feature of macOS Sonoma seems to follow this concept and perform similar background liquid detection analysis to check whether there is liquid entering the USB-C interface.

It is speculated that this new feature may be a way for engineers to detect whether there is "water" in the Mac. Of course, the main detection method is still the use of liquid contact indicators (LCI), which change color once they come into contact with liquid and are currently widely used in Macs and iPhones.

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