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Swift Evolution
This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.
#Swift Evolution
https://www.swift.org/swift-evolution/
This repository tracks the ongoing evolution of the Swift programming language, standard library, and package manager.
#Goals and Release Notes
| Version | Announced | Released |
|---|---|---|
| Swift 6.4 | 2026-03-18 | 2026-09-15 |
| Swift 6.3 | 2025-10-24 | 2026-03-24 |
| 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 |