Evolution

Discussion The Evolution Discussion category is for general discussion of the evolution of the Swift language. 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. Proposal Reviews This category is for posting Swift Evolution proposals for review and feedback.

Topic	Replies	Views	Activity
About the Evolution category Evolution	0	16697	January 18, 2018
[Second review] SE-0516: `Iterable` Proposal Reviews	41	2016	June 12, 2026
Expressing "must be called from a non-nil isolation" Discussion concurrency	6	369	June 12, 2026
[Pitch] Package Manager Conditional Plugin Pitches packagemanager , plugins , buildtoolplugin , commandplugin , build-plugin	9	532	June 12, 2026
Pitch: Tag-based Test Execution Filtering Pitches packagemanager , swift-testing , swift-test	23	1007	June 12, 2026
[Review] ST-0025 Tag-based test execution filtering Proposal Reviews swift-testing	1	107	June 11, 2026
SE-0533: Generating synchronous overloads of async functions with a macro Proposal Reviews	28	892	June 11, 2026
[Pitch] Make noasync annotation transitive Pitches	24	2362	June 11, 2026
[Second Review] SE-0478: File-level defaults Proposal Reviews	38	1101	June 11, 2026
[Accepted with modifications] SE-0527: UniqueArray Announcements	0	194	June 10, 2026
Dreaming of a “harmless” language mode Discussion compiler	25	2758	June 10, 2026
[Pitch] Dependent Types & Universes (Stage 1 of Proof-Driven Development?) Pitches compiler , type-system , dependent-types , universes	49	5211	June 10, 2026
Optional.unwrap() to replace Optional.map() Pitches optionals	61	2930	June 9, 2026
[Pitch] Associated Type Disambiguation Pitches compiler , swift-syntax	9	418	June 9, 2026
[Accepted] SE-0507: Borrow and Mutate Accessors Announcements	2	676	June 8, 2026
SE-0531: Literal Expressions Proposal Reviews	21	1396	June 8, 2026
[Pitch] Attribute to silence Deprecation Warnings for a specified scope Pitches	84	9772	June 8, 2026
`#if os(Darwin)`, a shorthand for checking for Darwin platforms Discussion	64	7923	June 8, 2026
[Accepted] ST-0020: Add a filePath property to SourceLocation Announcements	1	240	June 8, 2026
[Pitch] Async queue that serialize the excuation of it’s task in FIFO order Pitches concurrency	1	170	June 8, 2026
[Pitch] await blocks Pitches concurrency	16	1087	June 8, 2026
[Pitch] Extending `@section` to functions Pitches	3	319	June 7, 2026
[Accepted with modifications] SE-0529: FilePath Announcements stdlib , files	13	849	June 6, 2026
[Second Review] SE-0526: withDeadline Proposal Reviews	53	2245	June 6, 2026
[Pitch] SARIF Support for Swift Diagnostics Pitches serialization , diagnostics	1	364	June 5, 2026
SE-0529: Add FilePath to the Standard Library Proposal Reviews stdlib , files	102	5434	June 5, 2026
[Pitch] Init Wrappers Pitches	2	556	June 4, 2026
SE-0439 clarification: trailing commas in @attached/@freestanding? Discussion	6	362	June 4, 2026
[Pitch #3] Swift Compile-Time Values Pitches	28	3636	June 3, 2026
SE-0532: Optional noncopyable improvements and generalizations Proposal Reviews	14	844	June 3, 2026