AI Engineer World's Fair 2026 Underway — Keynote Arc Signals the Field's Move to 'Software Factories' and 'Harness Engineering'

AI Engineer World's Fair·medium signal

swyx's AI Engineer World's Fair runs June 29–July 2 at Moscone West (6,000+ engineers, ~300 speakers, 29 tracks), and its main-stage keynote sequence reads as a roadmap of where AI engineering is heading: Software Factories (Jun 30), Autoresearch (Jul 1), Harness Engineering (Jul 2), with a Day 2 Coding Agents keynote. The programming reframes 'coding agents' from a feature into an infrastructure discipline. For a solo builder, the harness/factory framing mirrors running your own fleet of agents on a schedule.