who is john gruber

Run, Break, Inspect: Explore effective debugging in LLDB

Learn how to use LLDB to explore and debug codebases. We’ll show you how to make the most of crashlogs and backtraces, and how to supercharge breakpoints with actions and complex stop conditions. We’ll also explore how the “p” command and the latest features in Swift 6 can enhance your debugging experience.

Design advanced games for Apple platforms

Learn how to adapt your high-end game so it feels at home on Mac, iPad, and iPhone. We’ll go over how to make your game look stunning on different displays, tailor your input and controls to be intuitive on each device, and take advantage of Apple technologies that deliver great player experiences.

Xcode essentials

Edit, debug, commit, repeat. Explore the suite of tools in Xcode that help you iterate quickly when developing apps. Discover tips and tricks to help optimize and boost your development workflow.

Go further with Swift Testing

Learn how to write a sweet set of (test) suites using Swift Testing’s baked-in features. Discover how to take the building blocks further and use them to help expand tests to cover more scenarios, organize your tests across different suites, and optimize your tests to run in parallel.

Port advanced games to Apple platforms

Discover how simple it can be to reach players on Apple platforms worldwide. We’ll show you how to evaluate your Windows executable on Apple silicon, start your game port with code samples, convert your shader code to Metal, and bring your game to Mac, iPhone, and iPad. Explore enhanced Metal tools that understand HLSL shaders to validate, debug, and profile your ported shaders on Metal.

What’s new in USD and MaterialX

Explore updates to Universal Scene Description and MaterialX support on Apple platforms. Discover how these technologies provide a foundation for 3D content creation and delivery, and learn how they can help streamline your workflows for creating great spatial experiences. Learn about USD and MaterialX support in RealityKit and Storm, advancements in our system-provided tooling, and more.

Meet TabletopKit for visionOS

Build a board game for visionOS from scratch using TabletopKit. We’ll show you how to set up your game, add powerful rendering using RealityKit, and enable multiplayer using spatial Personas in FaceTime with only a few extra lines of code.

Break into the RealityKit debugger

Meet the RealityKit debugger and discover how this new tool lets you inspect the entity hierarchy of spatial apps, debug rogue transformations, find missing entities, and detect which parts of your code are causing problems for your systems.

Extend your Xcode Cloud workflows

Discover how Xcode Cloud can adapt to your development needs. We’ll show you how to streamline your workflows, automate testing and distribution with start conditions, custom aliases, custom scripts, webhooks, and the App Store Connect API.

Platforms State of the Union

Discover the newest advancements on Apple platforms.