This content was released on Dec 8 2017. The official support period is 6-months from this date.
When parsing JSON, things may not go as planned. In this screencast, you'll to develop your own parsing solutions to handle unexpected data.
This is a companion discussion topic for the original entry at https://www.kodeco.com/4035-ios-11-screencasts-what-s-new-in-foundation/lessons/3