Evolution

Proposal Reviews This category is for posting Swift Evolution proposals for review and feedback. 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. 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.

Topic	Replies	Views	Activity
About the Evolution category Evolution	0	16669	January 18, 2018
[Pitch] @Reasync and @ReasyncMembers macros Pitches concurrency , macros	36	1823	May 15, 2026
[Pitch] Cheap Task identity for high-performance instrumentation Pitches	17	586	May 15, 2026
"New Codable" prototype available for feedback Discussion codable , macros	59	3456	May 15, 2026
SE-0529: Add FilePath to the Standard Library Proposal Reviews stdlib , files	52	2697	May 15, 2026
[Pitch] Boolean Generics Pitches generics , value-generics	4	203	May 15, 2026
SE-0530: Async Result Support Proposal Reviews	10	1088	May 14, 2026
[Accepted] SE-0530: Async Result Support Announcements	0	186	May 14, 2026
Default Package Swift Settings Pitches	19	2573	May 14, 2026
[Pitch] Optional noncopyable improvements and generalizations Pitches optional	9	522	May 13, 2026
[Accepted with modifications] SE-0525: Safe loading API for RawSpan Announcements	11	801	May 12, 2026
SE-0444 Amendment: Exempt default implementations of protocol requirements from member import visibility rules Proposal Reviews module , import	1	221	May 12, 2026
SE-0527: RigidArray and UniqueArray Proposal Reviews	52	4098	May 12, 2026
[Pitch] Narrowed Any Pitches	71	3997	May 12, 2026
Pitch: Package Registry Search Pitches packagemanager	11	515	May 12, 2026
Implicit Fluent Chaining Pitches fluent	5	363	May 12, 2026
Pitch: Tag-based Test Execution Filtering Pitches packagemanager , swift-testing , swift-test	20	753	May 12, 2026
Value semantics of init with defaulted private let fields does not make sense Discussion	20	968	May 11, 2026
SendableKeyPath? Discussion	8	3972	May 8, 2026
[Accepted] SE-0528: Non-`Copyable` `Continuation` Announcements	3	494	May 7, 2026
Can swift be a self-hosted language? Discussion	10	839	May 6, 2026
SE-0528: Non-`Copyable` `Continuation` Proposal Reviews	26	1516	May 6, 2026
[Pitch] Enhancing Async{Throwing}Stream Pitches concurrency	12	757	May 6, 2026
Encouraging informal pitches Discussion	3	517	May 6, 2026
[Pitch 3] File level defaults Pitches	18	817	May 5, 2026
SE-0519: Borrow and Inout types for safe, first-class references Proposal Reviews	123	5735	May 5, 2026
[Pitch] Package Manager Conditional Plugin Pitches packagemanager , plugins , buildtoolplugin , commandplugin , build-plugin	8	413	May 5, 2026
[Pitch] Debugging Swift Tests with LLDB Pitches packagemanager , swift-testing	4	257	May 5, 2026
[Pitch] Data-dependent test serialization Pitches concurrency , swift-testing	13	596	May 4, 2026
[Amendment] ST-0021: Targeted Interoperability between Swift Testing and XCTest Proposal Reviews xctest , swift-testing	4	263	May 4, 2026