https://wccftech.com/nintendo-switch-system-update-12-0-1-bluetooth/

A new Nintendo Switch firmware update, Switch System Update 12.0.1, has just been rolled out, and here’s what it does.

Earlier this month, Nintendo released firmware update 12.0.0. While the official patch notes were almost nonexistent, dataminers discovered some interesting changes to the Switch dock, including possible support for the rumored new Switch 4K model.