A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
I'd love to hear some of the reasons behind not going with Unity for web frontend work with UIElements, might give some insight on the differences.
It's not a new UI though, I thought this was an abstraction to "Unity UI"
does the 2020.1a currently have runtime support?