Nintendo just released Switch 2 system update 23.0.0, and there are some pretty useful changes.
The biggest one is VRR support in TV mode. If your TV and game support VRR, the Switch 2 can now adjust the refresh rate to make gameplay look smoother.
Other changes include:
-Full data transfer between two Switch 2 consoles
-Improvements to GameChat
-Mii sharing with QR codes
-More TV and video output information
Improvements to Handheld Mode Boost
-Brazilian Portuguese support for some accessibility features
-Various fixes and stability improvements
VRR is definitely the biggest feature, especially if you have a good TV that supports it, you’ll notice how much smoother games run now, this should have launched with the console