Oculus Link is here! Since there's little information available so far, here's a quick guide. Set Up The cables that ship with the Oculus Quest don't work (even though the set up in Oculus Desktop shows that), you will need a good USB 3 to USB C cable.
In your Quest, enable Oculus Link by plugging it in or enabling in your settings
In Oculus Link, connect to your Unity project using Add Desktop Panel (+ icon)
You should be able to run your scene in your headset once you press play
You don't need to modify your Quest project to work right away with Oculus Link. Should work with all versions of Unity listed by Oculus. Works with Oculus Integrations 1.41 - Doesn't work with 1.38 Other notes
My controllers were in 3dof and invisible when I entered Oculus Link, restarting my quest/computer fixed that
The hands will turn into controllers when they stop registering input
The mouse in the virtual desktop disappears when both hands turn into controllers or the pointer is off screen
If you run Unity from Explore/Library, it will launch the project. You can't tell which project it'll open, so I choose to open it on my computer then Add Desktop Panel