This week, John and Rambo go on a deep dive into the responder chain and how UI events are propagated on Apple’s platforms. Also, SwiftUI vs Catalyst, Apple’s mysterious new QR codes for AR, and a visit to the Sundell R&D division.

Sponsored by Bitrise: iOS Continuous Integration and Delivery for building better applications, faster. Sign up for free and learn more here. 

Sponsored by Clubhouse: the collaborative home for modern software teams.