The ability to unlock your Mac with Touch ID will reportedly soon be a feature baked into OS X. According to a report by MacRumors, the capability will allow users to pair their iPhone with their Mac, allowing them to unlock the computer via the Touch ID sensor on their iPhone when nearby.
Apple engineers are designing an auto unlock function that would allow an iPhone to unlock a Mac when in close proximity, alleviating the need to enter a password on a password-protected Mac.
The report goes on to note that the feature would work in a similar manner to the Apple Watch, which automatically unlocks once you've unlocked your nearby paired iPhone.
If true, the built-in feature would closely mimic current third-party apps that allow users to perform the same function. If implemented by Apple, however, it's possible that we could see Touch ID used to do things like verify purchases or log into apps — much like it is used on the iPhone today.