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Asked on 2025-12-29
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It seems like you're interested in tasks and concurrency as discussed in various sessions at Apple's WWDC. Here are some relevant sessions and topics that were covered:
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Demystify explicitly built modules: This session discusses how Xcode 16 changes the build process with explicitly built modules, which are top-level tasks that can be shared between targets. This helps in optimizing the build process by coordinating with compilers to discover and build modules explicitly.
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Migrate your app to Swift 6: This session covers how to handle concurrency in Swift 6, including using the
mainactor assume isolatedmethod to ensure code runs on the main actor without starting a new task. -
Embracing Swift concurrency: This session explains how asynchronous tasks can improve app performance by interleaving tasks on the main thread and using concurrency to handle multiple operations efficiently.
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Code-along: Elevate an app with Swift concurrency: This session provides a hands-on approach to using task groups for managing child tasks and their results, allowing for parallel execution of tasks.
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Finish tasks in the background: This session discusses the BG Processing Task API, which allows apps to perform tasks in the background, such as running an ML model or handling database maintenance, with considerations for battery impact and user control.
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Explore concurrency in SwiftUI: This session highlights how SwiftUI's main actor isolation makes writing views convenient and how tasks can be used to switch to an async context for operations like color extraction.
If you have a specific question about any of these topics or need a timestamp for a particular section, feel free to ask!
Demystify explicitly built modules
Explore how builds are changing in Xcode 16 with explicitly built modules. Discover how modules are used to build your code, how explicitly built modules improve transparency in compilation tasks, and how you can optimize your build by sharing modules across targets.
Migrate your app to Swift 6
Experience Swift 6 migration in action as we update an existing sample app. Learn how to migrate incrementally, module by module, and how the compiler helps you identify code that’s at risk of data races. Discover different techniques for ensuring clear isolation boundaries and eliminating concurrent access to shared mutable state.
Embracing Swift concurrency
Join us to learn the core Swift concurrency concepts. Concurrency helps you improve app responsiveness and performance, and Swift is designed to make asynchronous and concurrent code easier to write correctly. We’ll cover the steps you need to take an app through from single-threaded to concurrent. We’ll also help you determine how and when to make the best use of Swift concurrency features – whether it’s making your code more asynchronous, moving it to the background, or sharing data across concurrent tasks.