SwiftUI Tutorial Series
Published on Dec 5th, 2019
Paul Hudson of Hacking With Swift has been kicking ass since June digging in to the very depths of SwiftUI. Along with his book, he has also been churning out and an ever growing series of videos.
This series starts from the basics and moves into helping you understand a lot of how the framework works under the hood.
If you have any intention of learning SwiftUI, I highly recommend watching.