Nintendo has dispatched a brand-new system update for Nintendo Switch, which is now available for download worldwide. Switch controllers have also received a significant update; be sure to do those manually via System Settings when you get a chance. Official patch notes for the latest update version from the development team are as follows:
Nintendo constantly aims to improve the functionality of its systems and services in order to provide the easiest, most user-friendly experience possible. As a part of these efforts, we are making Nintendo Switch system updates available for download via the Internet.
Performing the System Update:
In most situations, the Nintendo Switch will automatically download the most recent system update while it is connected online. You can verify your current menu version and manually start the update from the System Settings menu if necessary.
If you are unable to perform the system update, restart your console and try again.
Ver. 10.0.2 (Released April 29, 2020)
General system stability improvements to enhance the user’s experience, including a solution for the following:
We have fixed an issue where a Nintendo Switch console with system menu version 10.0.0 or 10.0.1 does not set up a new Nintendo Switch Pro Controller, sometimes causing incorrect joystick control.
Source: Nintendo Support