This will be the first update after the launch of Nintendo Switch Online service which usually means just some bug fixes as well as improving the system stability. Here is the changelog from Firmware Update 6.0.1;
- General system stability improvements to enhance the user’s experience, including:
- Resolved an issue where internet connection test does not display correct results for download and upload speed
- Resolved an issue where some licensed controllers’ motion controls such as tilt function respond incorrectly