# swift-format 603.0.0

- Product: swift-format (https://whatsnew.fyi/product/swift-format)
- Vendor: Swift
- Date: 2026-06-30
- Version: 603.0.0
- Original notes: https://github.com/swiftlang/swift-format/releases/tag/603.0.0
- Permalink: https://whatsnew.fyi/product/swift-format/releases/603.0.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Support for InlineArray type sugar
- **added** — multilineTrailingCommaBehavior configuration option
- **changed** — Refactored file generation logic to be string-based
- **changed** — Ensure newline after trailing line comments to prevent formatting issues
- **changed** — Order conditionally-compiled imports
- **changed** — Respect indentBlankLines when stripping whitespace inside block comment blank lines
- **changed** — Print lint location and message in plain bold instead of white
- **fixed** — Remove empty trailing closure parentheses in a curried call
- **fixed** — UseSingleLinePropertyGetter dropping comments
- **fixed** — Invalid rewrite in UseExplicitNilCheckInConditions when explicit optional type annotation is present
- **fixed** — AttributeTypeSyntax handling
- **fixed** — Keep attributed getters intact in UseSingleLinePropertyGetter
- **fixed** — Rpath handling on OpenBSD
- **removed** — Added group around base type in AttributedTypeSyntax

##### What's Changed
* Update links for repositories moved from apple to swiftlang by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1048
* Refactored file generation logic to be string-based and added validation tests by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1047
* Include _GenerateSwiftFormat in buildOnlyTests by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1050
* Add support for InlineArray type sugar by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1043
* Ensure newline after trailing line comments to prevent formatting issues by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1015
* .swift-format: Specify an exhaustive configuration by @AnthonyLatsis in https://github.com/swiftlang/swift-format/pull/1057
* Introduce `multilineTrailingCommaBehavior` configuration by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1044
* Use `Invoke-Program` for the Windows build command by @bnbarham in https://github.com/swiftlang/swift-format/pull/1060
* Enable cross-PR testing by @ahoppen in https://github.com/swiftlang/swift-format/pull/867
* Fix removing empty trailing closure parentheses in a curried call by @a7medev in https://github.com/swiftlang/swift-format/pull/1071
* Add workflow to auto-update PrintVersion on release branch creation by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1068
* Fix UseSingleLinePropertyGetter dropping comments by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1062
* Fix `auto_update_version` workflow to trigger only on release branch creation by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1074
* Fix invalid rewrite in UseExplicitNilCheckInConditions by skipping when explicit optional type annotation is present by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1075
* chore: restrict GitHub workflow permissions - future-proof by @incertum in https://github.com/swiftlang/swift-format/pull/1073
* Fix up AttributeTypeSyntax handling by @bnbarham in https://github.com/swiftlang/swift-format/pull/1086
* Remove added group around base type in `AttributedTypeSyntax` by @bnbarham in https://github.com/swiftlang/swift-format/pull/1088
* Skip the `update-version` job on a fork by @kkebo in https://github.com/swiftlang/swift-format/pull/1091
* [6.3] Update version to 6.3 by @github-actions[bot] in https://github.com/swiftlang/swift-format/pull/1089
* Add GitHub workflow to ensure formatting is not broken on a set of pilot projects by @ahoppen in https://github.com/swiftlang/swift-format/pull/1090
* print lint location and message in plain bold instead of white by @QuietMisdreavus in https://github.com/swiftlang/swift-format/pull/1092
* Order conditionally-compiled imports by @a7medev in https://github.com/swiftlang/swift-format/pull/1077
* Normalize release version to x.y.z in auto-update-version action by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1095
* Keep attributed getters intact in UseSingleLinePropertyGetter by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1104
* Respect indentBlankLines when stripping whitespace inside block comment blank lines by @TTOzzi in https://github.com/swiftlang/swift-format/pull/1101
* Format source code and run `git diff` instead of listing first by @ahoppen in https://github.com/swiftlang/swift-format/pull/1093
* Update release automerge from 6.2 to 6.3 by @bnbarham in https://github.com/swiftlang/swift-format/pull/1098
* Bump to 6.0 by @bnbarham in https://github.com/swiftlang/swift-format/pull/1107
* Merge `main` into `release/6.3` by @github-actions[bot] in https://github.com/swiftlang/swift-format/pull/1109
* Add Dependabot configuration for GitHub Actions by @shahmishal in https://github.com/swiftlang/swift-format/pull/1110
* Update pull request workflow to use the tagged github-workflows by @bnbarham in https://github.com/swiftlang/swift-format/pull/1111
* Bump actions/checkout from 4 to 6 by

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