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. 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. 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	16423	January 18, 2018
Dropping Curly Braces From Single Statement `guard ... else` Blocks Discussion	23	1807	July 25, 2025
[Accepted] Vision: Swift Platform Support: A Vision for Evolution Announcements	5	242	July 25, 2025
Replacing the Type Checker Discussion	144	8381	July 25, 2025
SE-0489: Improve EncodingError and DecodingError's printed descriptions Proposal Reviews	30	1323	July 25, 2025
Custom copyable/consumable types? Discussion memory-safety , cxx-interop	0	97	July 25, 2025
[Pre-Pitch] Data-Dependent Test Serialization Pitches concurrency , swift-testing	12	395	July 24, 2025
Cross-Import Overlay status? Discussion	11	1263	July 24, 2025
[Amendment] SE-0466 Control default actor isolation inference Proposal Reviews	11	985	July 24, 2025
[Pitch 2] Custom Main and Global Executors Pitches	56	2050	July 24, 2025
[Pitch #2] Add `isKnownIdentical` Method for Quick Comparisons to `Equatable` Pitches	49	1349	July 23, 2025
[Pitch #2] Lifetime dependencies for non-`Escapable` values Pitches	43	2491	July 23, 2025
ST-0012: Capturing Values in Exit Tests Proposal Reviews swift-testing	5	317	July 22, 2025
[Accepted] ST-0012: Capturing Values in Exit Tests Announcements swift-testing	0	96	July 22, 2025
[Pre-Pitch] Inferring computed property types Pitches	14	694	July 22, 2025
ST-0013: Test Issue Warnings Proposal Reviews swift-testing	4	271	July 21, 2025
SE-0488: Apply the `extracting()` slicing pattern more widely Proposal Reviews	9	736	July 21, 2025
[Accepted] SE-0488: Apply the extracting() slicing pattern more widely Announcements	0	180	July 21, 2025
[Pitch] Warning Control Settings for SwiftPM Pitches	8	548	July 19, 2025
[Pitch] Module selectors Pitches module , swiftinterface	91	2911	July 18, 2025
[Pitch 3] Custom Main and Global Executors Pitches	15	942	July 18, 2025
Change in optionality of "sdkRootPath" property of swift-sdk.json for Swift SDKs Discussion android , packagemanager , cross-compilation	1	100	July 18, 2025
Indirect Members Discussion	7	406	July 17, 2025
Pitch: Disable checks for unsafe flags in SwiftPM Pitches packagemanager	27	978	July 17, 2025
[Pitch] Custom Main and Global Executors Pitches	52	2981	July 17, 2025
[Idea] Availability annotations on closure parameters Pitches	5	896	July 17, 2025
Advice for Proposal Authors during "Awaiting review"? Discussion	1	243	July 16, 2025
Isolated deinit not in Swift 6.1? Discussion	7	967	July 15, 2025
[Amendment] SE-0470: Global-actor isolated conformances Proposal Reviews	6	522	July 16, 2025
[Amendment accepted] SE-0470: Global actor-isolated conformances Announcements	0	153	July 16, 2025