swiftlang / swift-evolution

This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.

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Swift Evolution This repository tracks the ongoing evolution of the Swift programming language, standard library, and package manager. Goals and Release Notes • Swift Language focus areas heading into 2025 • CHANGELOG | Version | Announced | Released | | :-------- | :----------------------------------------------------------------------- | :----------------------------------------------------------- | | Swift 6.3 | 2025-10-24 | | | Swift 6.2 | 2025-03-08 | 2025-09-15 | | Swift 6.1 | 2024-10-17 | 2025-03-31 | | Swift 6.0 | 2024-02-22 | 2024-09-17 | | Swift 5.10 | 2023-08-23 | 2024-03-05 | | Swift 5.9 | 2023-03-06 | 2023-09-18 | | Swift 5.8 | 2022-11-19 | 2023-03-30 | | Swift 5.7 | 2022-03-29 | 2022-09-12 | | Swift 5.6 | 2021-11-10 | 2022-03-14 | | Swift 5.5 | 2021-03-12 | 2021-09-20 | | Swift 5.4 | 2020-11-11 | 2021-04-26 | | Swift 5.3 | 2020-03-25 | 2020-09-16 | | Swift 5.2 | 2019-09-24 | 2020-03-24 | | Swift 5.1 | 2019-02-18 | 2019-09-20 | | Swift 5.0 | 2018-09-25 | 2019-03-25 | | Swift 4.2 | 2018-02-28 | 2018-09-17 | | Swift 4.1 | 2017-10-17 | 2018-03-29 | | Swift 4.0 | 2017-02-16 | 2017-09-19 | | Swift 3.1 | 2016-12-09 | 2017-03-27 | | Swift 3.0 | 2016-05-06 | 2016-09-13 | | Swift 2.2 | 2016-01-05 | 2016-03-21 |