Nintendo has released Switch Firmware version 3.0.0

Here are the patch notes

Improvements Included in Version 3.0.0
Added the following system functionality

Register a channel to receive News for specific games
To register, head to News > Find Channels
Add friends from your Nintendo 3DS and Wii U Friend Lists
To add friends, head to your My Page on the top left of the Home Menu > Friend Suggestions
Receive notifications when your Friends go online
To turn this ON/OFF, head to System Settings > Notifications > Friend Notifications
Find paired controllers within communication range by activating the vibration feature
To search, head to Controllers > Find Controllers
Change the user icon order on the Home Menu
To change order, head to System Settings > Users > Change Order
Select from 6 new Splatoon 2 characters for user icon
To edit your user icon, head to your My Page on the top left of the Home Menu > Profile
Change the system volume from the Quick Settings
To access Quick Settings, hold down the HOME Button
Lower the maximum volume for headphone or speakers connected to the audio jack
To lower the max headphone volume, head to System Settings > System > Lower Max Headphone Volume
* This settings will be ON when Parental Controls are enabled
Change display colors to Invert Colors or Grayscale
To use this feature, head to System Settings > System > Change Display Colors
Connect a USB keyboard to the dock to type whenever the keyboard is on the screen
Use the Nintendo Switch Pro Controller via wired communication by connecting the USB charging cable
To enable, head to System Settings > Controllers and Sensors > Pro Controller Wired Communication
* The NFC touchpoint on the Pro Controller will be disabled while the controller is using wired communication.
Update connected controllers
To update, head to System Settings > Controllers and Sensors > Update Controllers
Added a feature that suggests deletion of software data when insufficient space when downloading other software
* User save data is not deleted

This is quite the major update and really cool news. Make sure you update as soon as possible.

Source