Anything I should be aware of if I'm currently working on a project targeting iOS16?

Asked on 06/12/2025

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If you're currently working on a project targeting iOS 16, there are a few updates and improvements from WWDC 2024 that you might find beneficial:

  1. Xcode 16 Enhancements: Xcode 16 introduces several improvements that can enhance your development workflow. Notably, it includes faster UI previews, improved build processes with explicit modules, and better debugging tools. These updates can help you iterate more quickly and efficiently on your iOS 16 project. You can learn more about these features in the session What’s new in Xcode 16.

  2. Swift 6 Migration: While your project is currently targeting iOS 16, it's worth considering future-proofing your code by preparing for Swift 6. Swift 6 introduces data-race safety guarantees, which can help improve the correctness and safety of your code. You can adopt these features incrementally, module by module. For more details, check out the session Migrate your app to Swift 6.

  3. Concurrency and Performance: Xcode 16 also brings improvements in concurrency and performance profiling. Using tools like the flame graph in Instruments can help you identify and resolve performance bottlenecks in your app. This is particularly useful if you're looking to optimize your app's performance on iOS 16. More information can be found in the session What’s new in Xcode 16.

  4. Localization and Global Reach: If your app targets a global audience, Xcode 16 offers enhanced localization workflows, making it easier to bring your app to more people around the world. This can be a significant advantage if you're looking to expand your app's reach.

These updates and tools can help you maintain and improve your iOS 16 project while also preparing for future updates and enhancements.