visionOS Development - The document focuses on creating interactive experiences for visionOS, Apple's operating system for spatial computing [1] - It highlights a multi-day activity, including a Day 2 livestream, dedicated to Apple Immersive Video and Apple Spatial Audio [1] - The activity aims to teach developers how to create new media experiences using Apple Immersive Video and explore related production workflows [1] Apple Immersive Video - The document emphasizes getting started with Apple Immersive Video and exploring previous productions using this technology [1] - It suggests that Apple Immersive Video is a key component for creating entirely new media experiences on visionOS [1] Resources for Developers - The document provides links to various Apple Developer resources, including video sessions, documentation, and forums [1] - It also mentions the Apple Developer App as a resource for developers [1]