Evolution

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. Pitches The Pitches category is an area for pitching ideas for evolution of the Swift language prior to a formal review. Discussion The Evolution Discussion category is for general discussion of the evolution of the Swift language. Proposal Reviews This category is for posting Swift Evolution proposals for review and feedback.

Topic	Replies	Views	Activity
About the Evolution category Evolution	0	16348	January 18, 2018
[Pitch] InlineArray type sugar Pitches	99	1898	April 15, 2025
The future of serialization & deserialization APIs Discussion foundation , codable , macros	129	9973	April 15, 2025
[Pitch] A typealias for per-file default actor isolation Pitches concurrency	12	574	April 15, 2025
ST-0010: Public API to evaluate ConditionTrait Proposal Reviews swift-evolution , testing , swift-testing , proposal	2	220	April 14, 2025
[Pitch] `Distinguishable` protocol for Quick Comparisons Pitches	26	1040	April 14, 2025
Formalizing Swift generics as a term rewriting system Discussion	12	7173	April 14, 2025
SE-0476: Controlling the ABI of a function, initializer, property, or subscript Proposal Reviews abi , library-evolution	2	429	April 13, 2025
Shorthand init Discussion	17	2480	April 12, 2025
[Pitch] Improve Async/Await Parallelization Ergonomics Pitches concurrency , asyncawait , async-let	18	1315	April 12, 2025
[Pitch] Compiler-Level Support for Variadic Wrappers Pitches propertywrapper , macros , gsoc-2025	15	907	April 12, 2025
[Second review] ST-0008: Exit tests Proposal Reviews swift-testing	22	371	April 12, 2025
SE-0475: Transactional Observation of Values Proposal Reviews	3	376	April 11, 2025
[Pitch 2] Custom Main and Global Executors Pitches	44	1299	April 10, 2025
SE-0473: Clock epochs Proposal Reviews time	5	708	April 10, 2025
[Accepted] SE-0473: Clock epochs Announcements time	0	279	April 10, 2025
SE-0464: UTF8Span: Safe UTF-8 Processing Over Contiguous Bytes Proposal Reviews	51	1728	April 10, 2025
[Accepted with modifications] SE-0464: Safe UTF-8 processing over contiguous bytes Announcements	0	146	April 10, 2025
[Pitch] Transactional observation of values Pitches concurrency , asyncsequence , observation	94	4706	April 10, 2025
[Pitch] Default values for string interpolations Pitches	59	4607	April 10, 2025
[Accepted with modifications] SE-0432: Borrowing and consuming pattern matching for noncopyable types Announcements	1	690	April 10, 2025
[Pitch] Improved error handling in unstructured Task initializers Pitches	33	1657	April 9, 2025
ST-0008: Exit Tests Proposal Reviews swift-testing	52	1755	April 10, 2025
SE-0474: Yielding Accessors Proposal Reviews	7	594	April 10, 2025
ST-0009: Attachments Proposal Reviews	13	1062	April 10, 2025
[Accepted with Modifications] ST-0009: Attachments Announcements	0	230	April 9, 2025
SE-0470: Global-actor isolated conformances Proposal Reviews	16	1170	April 9, 2025
[Accepted] SE-0470: Global actor-isolated conformances Announcements	0	177	April 9, 2025
SE-0472: Starting tasks synchronously from caller context Proposal Reviews	55	1753	April 9, 2025
[Pitch] A Vision for WebAssembly Support in Swift Pitches webassembly , wasi	24	12493	April 9, 2025