This content was released on Apr 26 2017. The official support period is 6-months from this date.
This video covers Swift playgrounds in depth, including interactive playgrounds, how to use external frameworks, prototyping animations and much more.
This is a companion discussion topic for the original entry at https://www.kodeco.com/648-rwdevcon-2017-vault-free-tutorial-2-swift-playgrounds-in-depth