The library helps to catch the OOMs cause by Autolayout Feedback Loop by replicating the behaviour of UIViewLayoutFeedbackLoopDebuggingThreshold in the live code.
Even though it's not that obvious from the title, the library gives a comprehensive overview of the runtime programming in Swift. This is a very uncovered topic in iOS articles and the article discovers a lot of hidden possibilities by the case of catching OOMs feedback loops.
This library uses ARKit Face Tracking in order to catch a user's smile.