Minecraft has been updated to Ver. 1.18.30 on Switch. The main gist of this update is as follows.
- Worlds can now be created with 64-bit seeds
- Many changes to improve damage and hunger calculations
- New Experimental Features to try like the Deep Dark and Warden
- Many bug fixes and quality of life improvements
The full patch notes for this update are incredibly lengthy. Rather than post the huge list below, you can find the complete rundown on the official Minecraft site.