Steam Controller interview full transcript — Valve programmer and engineer discuss design, latency, prototyping, and the joys of not having a kernel driver

Valve programmers and engineers discuss the design, latency, and prototyping of the Steam Controller in a full transcript interview. The controller is designed to work seamlessly with the Steam ecosystem, offering a familiar layout for Steam Deck users docking their devices on a TV. The team focused on making the controller user-friendly out of the box while also providing advanced features for customization through Steam Input. Features like back buttons and Grip Sense were included to enhance gameplay without compromising the core functionality. The controller's design prioritized ergonomics through extensive prototyping and testing, ensuring comfort for users with various hand sizes. Supply chain challenges, tariffs, and shipping costs have influenced the pricing and release of the controller, but the team remains committed to delivering the product despite external factors.