whats new in swift wwdc 2025?

Asked on 06/12/2025

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At WWDC 2025, Apple introduced several new features and improvements in Swift 6.2. Here are some of the highlights:

  1. Workflow Improvements: Enhancements were made to writing, building, and debugging code, making developers more productive regardless of their development environment. For instance, the Swift extension in VS Code is now officially verified and distributed by Swift.org, with new features like background indexing for SwiftPM projects.

  2. New Library APIs: Swift 6.2 introduced new library APIs for fundamental programming tasks, enhancing the language's capabilities.

  3. Concurrency Enhancements: New language features were introduced to make concurrency more approachable, helping developers achieve peak performance.

  4. Swift Throughout the Stack: Swift can now be adopted at every layer of the software stack, from apps to cloud services to embedded systems.

  5. Open Source Development: All changes in Swift 6.2 were developed in open source, with the SwiftLang organization on GitHub growing to over 50 projects.

For more detailed information, you can refer to the session What’s new in Swift.