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

Topic	Replies	Views	Activity
About the Evolution category Evolution	0	16695	January 18, 2018
SE-0533: Generating synchronous overloads of async functions with a macro Proposal Reviews	21	707	June 11, 2026
[Second review] SE-0516: `Iterable` Proposal Reviews	31	1478	June 11, 2026
Expressing "must be called from a non-nil isolation" Discussion concurrency	2	134	June 11, 2026
[Accepted with modifications] SE-0527: UniqueArray Announcements	0	93	June 10, 2026
[Second Review] SE-0478: File-level defaults Proposal Reviews	37	943	June 10, 2026
Dreaming of a “harmless” language mode Discussion compiler	25	2694	June 10, 2026
[Pitch] Dependent Types & Universes (Stage 1 of Proof-Driven Development?) Pitches compiler , type-system , dependent-types , universes	49	5165	June 10, 2026
Optional.unwrap() to replace Optional.map() Pitches optionals	62	2889	June 9, 2026
[Pitch] Associated Type Disambiguation Pitches compiler , swift-syntax	9	388	June 9, 2026
[Accepted] SE-0507: Borrow and Mutate Accessors Announcements	2	662	June 8, 2026
SE-0531: Literal Expressions Proposal Reviews	21	1388	June 8, 2026
[Pitch] Attribute to silence Deprecation Warnings for a specified scope Pitches	84	9750	June 8, 2026
`#if os(Darwin)`, a shorthand for checking for Darwin platforms Discussion	64	7914	June 8, 2026
[Accepted] ST-0020: Add a filePath property to SourceLocation Announcements	1	237	June 8, 2026
[Pitch] Async queue that serialize the excuation of it’s task in FIFO order Pitches concurrency	1	160	June 8, 2026
[Pitch] await blocks Pitches concurrency	16	1080	June 8, 2026
[Pitch] Extending `@section` to functions Pitches	3	312	June 7, 2026
[Accepted with modifications] SE-0529: FilePath Announcements stdlib , files	13	811	June 6, 2026
[Second Review] SE-0526: withDeadline Proposal Reviews	53	2228	June 6, 2026
[Pitch] SARIF Support for Swift Diagnostics Pitches serialization , diagnostics	1	361	June 5, 2026
SE-0529: Add FilePath to the Standard Library Proposal Reviews stdlib , files	102	5390	June 5, 2026
[Pitch] Init Wrappers Pitches	2	545	June 4, 2026
SE-0439 clarification: trailing commas in @attached/@freestanding? Discussion	6	360	June 4, 2026
[Pitch #3] Swift Compile-Time Values Pitches	28	3627	June 3, 2026
SE-0532: Optional noncopyable improvements and generalizations Proposal Reviews	14	835	June 3, 2026
[Accepted with modifications] SE-0525: Safe loading API for RawSpan Announcements	12	996	June 3, 2026
[Pitch] `Disconnected` type for modeling disconnected values Pitches	45	2166	June 3, 2026
[Pitch] Make noasync annotation transitive Pitches	23	2281	June 3, 2026
[Focused Re-review] SE-0527: `UniqueArray.reallocate(capacity:)` Proposal Reviews	13	714	June 3, 2026