Nintendo has been rolling regular firmware updates since Switch 2 launched in June, and now before the end of July, it has been released another.
According to the official patch notes on the support page of the nintendo, this is another stability update. It is also available for the original switch and increases the firmware to 20.3.0. Here in full, courtesy of Nintendo:
Ver. 20.3.0 (July 28, 2025 released)
Improves normal system stability to increase the user experience.
If we find out what is happening behind the curtain, we will provide an update. With this update, Nintendo has also released a new game for SNES Digital Library, and it uses mouse support (including Joy-Con 2 mouse mode). Nintendo also added mouse support to some other sports in the same library.
