Evolution

Proposal Reviews This category is for posting Swift Evolution proposals for review and feedback. Discussion The Evolution Discussion category is for general discussion of the evolution of the Swift language. Pitches The Pitches category is an area for pitching ideas for evolution of the Swift language prior to a formal review. Announcements This category is for announcements of Swift evolution proposal reviews and results, as well as other administrative announcements. Creation of new topics in this category is by site admins and Swift Core Team members only, although anyone can reply to topics once created.

Topic	Replies	Views	Activity
Swift Concurrency Roadmap Discussion concurrency	169	84673	June 7, 2021
Improving the UI of generics Discussion	179	57706	February 22, 2022
A New Approach to Testing in Swift Discussion testing , xctest , unit-testing , swift-testing	111	29073	February 13, 2024
Embedded Swift Pitches embedded , runtime , pitch , metadata	169	25864	April 14, 2024
A roadmap for improving Swift performance predictability: ARC improvements and ownership control Pitches	267	51291	March 28, 2024
The state of Swift documentation Discussion	46	10642	September 1, 2020
Declarative String Processing Overview Pitches	120	18055	October 19, 2021
[Pitch] if and switch expressions Pitches	94	10983	December 7, 2022
Swift type checking is undecidable Discussion	44	30634	November 9, 2020
[Pitch] Introduce existential `any` Pitches	203	13805	December 9, 2021
Pitch: an Official Style Guide and Formatter for Swift Pitches	253	27603	March 19, 2019
Lifting the "Self or associated type" constraint on existentials Pitches	163	21399	April 23, 2021
[Pitch] Default values for string interpolations Pitches	57	3547	January 23, 2024
[Meta] Name deprecation notice Discussion	9	3383	February 3, 2021
A Possible Vision for Macros in Swift Pitches	136	32638	June 20, 2023
Modify Accessors Pitches	305	30137	November 8, 2022
Key Path Expressions as Functions Pitches	52	13408	May 7, 2019
Macro Adoption Concerns around SwiftSyntax Discussion swift-syntax , macros	103	15241	December 15, 2023
SwiftPM support for Swift scripts Pitches packagemanager	86	15658	May 27, 2021
[Pitch] Reflection Pitches reflection	57	12134	February 29, 2024
Precise error typing in Swift Discussion error-handling	89	11522	September 20, 2023
[Pitch] Observation Pitches	111	18321	March 17, 2023
Serialization in Swift Discussion	169	22229	February 1, 2024
Pitch: Standard Library Preview Package Pitches	44	7357	July 27, 2019
Swift Package Registry Service Pitches packagemanager	93	27469	December 22, 2022
[Accepted with Modification] SE-0296: async/await Announcements	32	20716	April 10, 2021
Pitching The Start of Variadic Generics Pitches generics	72	11237	December 4, 2021
[Accepted with modification] SE-0258: Property Wrappers Announcements	13	5185	February 24, 2021
[Pitch] Clock, Instant, Date, and Duration Pitches concurrency , stdlib , time	317	19503	December 13, 2021
Function builders implementation progress Discussion	24	11187	June 24, 2020
An Informal Introduction to Move-Only Types Discussion	27	8621	November 14, 2022
Support use of an optional label for the first trailing closure Pitches	122	10898	March 16, 2021
Piecemeal adoption of Swift 6 improvements in Swift 5.x Pitches	49	8868	June 22, 2022
Let's fix `if let` syntax Pitches	221	16430	July 28, 2021
Proposal draft for `is case` (pattern-match boolean expressions) Pitches	57	6996	February 15, 2023
`if let` shorthand Pitches	269	31733	April 9, 2022
Design Priorities for the Swift 6 Language Mode Announcements	79	18238	October 11, 2023
[Pre-Pitch] Import access control: a modest proposal Pitches	65	9798	April 3, 2022
Variadic Generics Pitches generics	99	12622	July 29, 2022
Differentiable Programming Mega-Proposal Pitches autodiff	151	42457	July 26, 2020
Progress toward the Swift 6 language mode Announcements	32	15603	February 15, 2024
Swift Concurrency: Feedback Wanted! Discussion	161	26745	July 14, 2022
[Pitch] Extensions on bound generic types Pitches	40	4600	June 22, 2022
Require parameter names when referencing to functions Pitches collection	93	8995	October 5, 2020
[Pitch] Enable multi-statement closure parameter/result type inference Pitches	45	5494	October 10, 2021
Concurrency in Swift 5 and 6 Discussion	11	20171	August 19, 2023
Noncopyable Generics in Swift: A Code Walkthrough Discussion generics , swift-evolution , noncopyable , tutorial	47	3637	March 25, 2024
[Pitch N+1] Typed Throws Pitches	284	11715	March 19, 2024
Differentiable programming for gradient-based machine learning Pitches numerics , autodiff , machine-learning	141	32968	June 2, 2022
[Pitch] Distributed Actors Pitches distributed , actors	132	16795	November 22, 2021