https://wccftech.com/nintendo-switch-system-update-10-0-3/

Nintendo Switch System Update 10.0.3 has just been deployed by Nintendo and you might have guessed what it does.

In a similar fashion as Sony’s PS4 firmware updates, Nintendo’s latest Switch system updates improves the general stability of the platform. According to Nintendo’s official release notes for this firmware update, this is all there is to it. Luckily, we have the Switch homebrew scene which reveals that today’s system update updates the Switch OS's certificate store, which contains all of the files that the Switch uses to help identify servers as trustworthy (HTTPS).