https://wccftech.com/nintendo-switch-firmware-update-6-0/

Nintendo has finally released Nintendo Switch firmware update 6.0, which adds online features and functionality for Nintendo Switch Online alongside new system functionalities and stability improvements.

The firmware update weighs in at around 300MB and in addition to the above, also updates the Switch’s controllers. While most software updates came without noticeable release notes, Nintendo decided to release more detailed notes for the 6.0 firmware update. You’ll find the release notes below: