Evolution

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. 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.

Topic	Replies	Views	Activity
About the Evolution category Evolution	0	16456	January 18, 2018
[Pitch] @inline(always) attribute Pitches	10	355	September 11, 2025
[Pitch #2] Add `isIdentical` Methods for Quick Comparisons to Concrete Types Pitches	115	2774	September 10, 2025
Deinit and MainActor Discussion concurrency , actors	30	16387	September 10, 2025
Isolated(any) evolution and current limitations Discussion concurrency , isolated , assumeisolated	17	623	September 9, 2025
SE-0490: Environment Constrained Shared Libraries Proposal Reviews packagemanager	5	573	September 8, 2025
[Pitch] Test cancellation Pitches api , swift-testing	19	764	September 8, 2025
`namespace` keyword Pitches	79	7949	September 6, 2025
[Pitch 3] Custom Main and Global Executors Pitches	20	1481	September 5, 2025
Bridging Observable State and Actors in Swift 6: @ActorSynced for Safer Concurrency Pitches concurrency	4	568	September 5, 2025
[Pitch] Formalize @cdecl Pitches	19	1601	September 5, 2025
[Pitch #2] Lifetime dependencies for non-`Escapable` values Pitches	46	3249	September 3, 2025
Explicit Copies Mode Discussion	20	1332	September 3, 2025
Support async calls in defer bodies Pitches	49	1966	September 1, 2025
Conditionally compile code based on SDK availability Pitches	18	809	September 1, 2025
[Pitch 2] Polling Confirmations in the Testing Library Pitches swift-testing	2	419	August 31, 2025
Status of SE-0283? (Tuples Conform to Equatable, Comparable, and Hashable) Discussion	9	2471	August 31, 2025
[Pitch] Image attachments in Swift Testing (Windows) Pitches windows , api , swift-testing	4	194	August 30, 2025
Pitch: Suppressed Default Conformances on Associated Types Pitches	6	305	August 30, 2025
ST-0014: Image attachments in Swift Testing (Apple platforms) Proposal Reviews swift-testing	4	533	September 9, 2025
[Accepted] ST-0014 Image attachments in Swift Testing (Apple Platforms) Announcements	0	114	August 29, 2025
[Pitch] Object Wrappers Pitches	5	636	August 28, 2025
[Returned for revision] SE-0262: Demangle function Announcements	20	3659	August 27, 2025
[Pitch] Stat types for Swift System Pitches swift-system	16	1267	August 27, 2025
How to test package traits? Discussion testing , traits	3	371	August 26, 2025
#Playground macro and "swift play" idea for code exploration in Swift Discussion playground	12	2940	August 26, 2025
Allow Property Wrappers with Multiple Arguments to Defer Initialization when wrappedValue is not Specified Pitches propertywrapper	38	9560	August 25, 2025
[Accepted] ST-0013 Test Issue Severity Announcements swift-testing	1	269	August 25, 2025
"with" prefix to limit variable scope to be the same as a statement scope Discussion	3	343	August 24, 2025
Calling private methods from extensions in separate files Discussion	50	15822	August 23, 2025