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	16797	January 18, 2018
[Pitch #2] `@objcDirect` — direct dispatch for Objective-C-exposed methods Pitches attributes , objc	14	548	September 26, 2026
[Pitch] Ownership for Subscript Parameters Pitches	3	429	September 25, 2026
[Pitch] Declaring trait configurations for test targets for easier testing Pitches packagemanager , testing , traits	7	379	September 25, 2026
[Pitch] `async let` capture list Pitches capture-list , pitch , async-let	9	667	September 25, 2026
[Pitch] `UncheckedString` (raw string support for Swift) Pitches	52	2011	September 25, 2026
[Pitch] Add `span` properties to Optional Pitches	12	543	September 25, 2026
SE-0551: Span over a single value Proposal Reviews	3	337	September 25, 2026
[Pitch] `Span` over a single value Pitches	31	1569	September 24, 2026
[Pitch] Cell, ConstCell, and Volatile Pitches	19	1351	September 24, 2026
SE-0553: Task Identity Proposal Reviews	13	454	September 24, 2026
SE-0550: `@noSanitize` attribute for functions Proposal Reviews	7	398	September 24, 2026
Handling C++ exceptions Discussion cxx-interop	51	6108	September 23, 2026
Pitch: mTLS support in SwiftPM Pitches packagemanager	0	144	September 23, 2026
[Pitch] Cheap Task identity for high-performance instrumentation Pitches	30	1916	September 23, 2026
SE-0552: Rounding of Float.pi Proposal Reviews	1	207	September 23, 2026
Any reason why `@discardableResult` can't be applied to closures? Pitches	9	3220	September 23, 2026
[Accepted] SE-0548: resignRemoteID for remote distributed actor references Announcements	1	161	September 23, 2026
SE-0548: resignRemoteID for remote distributed actor references Proposal Reviews	3	385	September 22, 2026
Pitch: Add bidiClass to Unicode.Scalar.Properties Pitches	9	554	September 21, 2026
Proposing AND, OR as alternative syntax for the &&, \|\| logical operators? Discussion swift-syntax	2	522	September 20, 2026
[Pitch] Scalable `embedInCode` resources using object files Pitches packagemanager , swiftpm	14	796	September 18, 2026
[Pitch] Add a `skip()` function to `UnkeyedDecodingContainer` Pitches	0	161	September 17, 2026
[Pitch] Property wrappers on let declarations with reference-backed setters Pitches concurrency , macos , propertywrapper , sendable	2	293	September 17, 2026
[Pitch] Unifying Package Products and Targets Pitches packagemanager	25	1132	September 16, 2026
[Pitch] Deriving values of other non-escapable types from the span family Pitches	5	481	September 16, 2026
[Pitch] Add RawSpan primitive to Hasher Pitches hashable , span	2	173	September 15, 2026
[Pitch 4] Custom Main and Global Executors Pitches	7	706	September 15, 2026
[Review] SE-0549: Package Manager HTTP Proxy Configuration Proposal Reviews packagemanager	2	217	September 15, 2026
[Pitch] round π to nearest Pitches	15	1140	September 15, 2026