The Apollo Day SF conference brought together over 150 attendees from companies like Airbnb and Brigade to learn about best practices for using GraphQL and Apollo in production. The event covered topics such as schema validation, unified state management, and strategies for adopting Apollo across complex product organizations. Keynote speakers shared their insights on the ecosystem's convergence on tools and patterns, with a focus on making teams confident to commit to GraphQL and go faster with it. The conference also featured example apps and implementation guides, professional services including training and architecture reviews, and a call to join the 3rd annual GraphQL Summit in San Francisco.