The Nintendo Switch received update version 12.0.1 yesterday, and dataminers have already found some interesting details about the update.
According to dataminer OatmealDome, in addition to stability changes, the update included OS components for the following
Bluetooth
BSD Sockets (creates connections over the Internet)
Swear words list
It is worth nothing that version 12.0.0 also contained some new features that were not mentioned in the official update notes.