604.0.0-prerelease-2026-04-21

Merge pull request #3316 from swiftlang/shahmishal-patch-1

Add group for swiftlang GitHub Actions

603.0.1

What's Changed

• Add explicit target dependency by @SimplyDanny in #3307

Full Changelog: 603.0.0...603.0.1

604.0.0-prerelease-2026-03-31

Merge pull request #3300 from cachemeifyoucan/eng/PR-can-import-versi…

604.0.0-prerelease-2026-03-24

Merge pull request #3298 from calda/cal--computed-var-body-macro

603.0.0

New APIs

• SwiftIfConfig.StaticBuildConfiguration a data structure for a build configuration.

  • Description: This describes all of the aspects of a build configuration that are needed for #if evaluation. It is Codable so that it can be stored and replayed later.
  • Pull Request: #3154

• MacroExpansionContext.buildConfiguration

  • Description: MacroExpansionContext now has buildConfiguration property describing the build configuration that will be used with the generated source code.
  • Pull Request: #3154

API Behavior Changes

Deprecations

API-Incompatible Changes

604.0.0-prerelease-2026-01-20

Merge pull request #3229 from myaumura/update-computed-properties-cod…

603.0.0-prerelease-2026-02-23

Merge pull request #3228 from jmschonfeld/6.3/basicmacroexpansioncont…

603.0.0-prerelease-2026-02-16

Merge pull request #3228 from jmschonfeld/6.3/basicmacroexpansioncont…

603.0.0-prerelease-2026-02-09

Merge pull request #3228 from jmschonfeld/6.3/basicmacroexpansioncont…

603.0.0-prerelease-2025-12-17

Merge pull request #3212 from rintaro/6.3-update-publisher-again

[6.3] Update allowed publishers (retake)