Evolution

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

Topic	Replies	Views	Activity
About the Evolution category Evolution	0	16361	January 18, 2018
SE-0479: Method and Initializer Key Paths Proposal Reviews keypaths	19	857	April 25, 2025
Add a `clamp` function to Algorithm.swift Discussion	72	9416	April 25, 2025
`ComparisonResult` could be `CaseIterable` …? Pitches	0	97	April 25, 2025
[Pitch] OutputSpan Pitches	34	697	April 25, 2025
SE-0475: Transactional Observation of Values Proposal Reviews	19	1369	April 25, 2025
[Pitch] InlineArray type sugar Pitches	236	4515	April 25, 2025
SE-0471: Improved Custom SerialExecutor isolation checking for Concurrency Runtime Proposal Reviews	9	832	April 25, 2025
SE-0480: Warning Control Settings for SwiftPM Proposal Reviews packagemanager , compiler-warning	4	274	April 25, 2025
SE-0478: Default actor isolation typealias Proposal Reviews	21	665	April 25, 2025
[PITCH] Pitch v2 for io_uring support in Swift System on Linux Pitches linux , server , io , swift-system	0	108	April 24, 2025
SE-0477: Default Value in String Interpolations Proposal Reviews	26	1697	April 24, 2025
[Pitch] Custom Main and Global Executors Pitches	43	2044	April 24, 2025
[Pitch] Weak let Pitches	21	1441	April 24, 2025
[Pitch] Test Issue Warnings Pitches api , swift-testing	3	271	April 24, 2025
#Playground macro and "swift play" idea for code exploration in Swift Discussion playground	3	1085	April 23, 2025
SE-0469: Task Naming Proposal Reviews concurrency , task	43	2016	April 22, 2025
[Accepted with modifications] SE-0453: InlineArray (formerly: Vector, a fixed-size array) Announcements	81	3755	April 22, 2025
Import swift file in script Pitches	22	16517	April 22, 2025
Closure isolation control Pitches concurrency	51	8365	April 22, 2025
[Accepted with modifications] SE-0469: Task naming Announcements concurrency , task	0	230	April 22, 2025
[Pitch] Pack Destructuring & Pack Splitting Pitches	7	611	April 22, 2025
Guard-Let-Catch (and If-Let-Catch) to avoid long (nested) do-blocks Pitches	27	6283	April 21, 2025
[Pitch] `Distinguishable` protocol for Quick Comparisons Pitches	43	1513	April 21, 2025
The future of serialization & deserialization APIs Discussion foundation , codable , macros	140	11252	April 21, 2025
[Pitch] A typealias for per-file default actor isolation Pitches concurrency	15	861	April 21, 2025
[Second review] ST-0008: Exit tests Proposal Reviews swift-testing	23	519	April 20, 2025
[Pitch] Extensible availability checking Pitches availability	14	651	April 18, 2025
[Pitch #2] Lifetime dependencies for non-`Escapable` values Pitches	32	1317	April 18, 2025
Compile-Time Values and Integer Generics Discussion	2	313	April 18, 2025