Stephen explores what makes background job testing fundamentally different from other kinds of tests, and introduces Chaotic Job, a gem he built to simulate transient failures, retry behavior, and production-like test conditions.

Miles introduces Foobara, a Ruby framework built around command-centric and discoverable systems. Drawing on lessons from years of wrangling complex domains (from mortgages to EV benefits to solar panels), he shares why commands, not controllers, should be your core abstraction — and how discoverability, RPC, and LLMs can help teams build more adaptive systems.