swiftlang/swift-format

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Formatting technology for Swift source code

Stars: 3k
Forks: 290
Open beginner issues: 0
Indexed issues: 137
Avg merge: 16h 31m
Merged PRs (30d): 12

Dominant language: Swift
License: Apache-2.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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137 open issues indexed

Non-compiling code emitted when block comment is within range expr Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1302 · Opened Sep 18, 2026
Crash when swift-format-ignore precedes a statement inside a switch case Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1301 · Opened Sep 18, 2026
Assignment RHS is moved to new line even when assignment fits max line length Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1300 · Opened Sep 18, 2026
Formatting is not idempotent for comment as first element of switch case Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

swiftlang/swift-format#1299 · Opened Sep 18, 2026
Error: missing key `orderedImports.shouldGroupImports` Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

swiftlang/swift-format#1295 · 2 comments · Opened Sep 16, 2026
`NoCasesWithOnlyFallthrough` silently deletes a comment trailing the `case` label Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1274 · 1 comment · Opened Aug 25, 2026
`BeginDocumentationCommentWithOneLineSummary` false negative after an inline code span Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

swiftlang/swift-format#1268 · Opened Aug 18, 2026
The `cmake-smoke-test / Linux (nightly-main - noble - x86_64)` job is failing Open

Difficulty 3/5 1-2 days Newbie friendliness 66/100

swiftlang/swift-format#1267 · 2 comments · Opened Aug 18, 2026
nonisolated in a separate line causes next line to be indented Open

Format Improvement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

swiftlang/swift-format#1260 · 3 comments · Opened Aug 6, 2026
Extra empty line between import on Windows Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

swiftlang/swift-format#1250 · Opened Jul 17, 2026
6.3.0: Non-idempotent output with long lines and ternary operator Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1248 · Opened Jul 15, 2026
602.0.0 and 603.0.0 produce different output with the same configuration Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

swiftlang/swift-format#1242 · 3 comments · Opened Jul 9, 2026
There should be a way to join hard-wrapped line comments Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

swiftlang/swift-format#1235 · 2 comments · Opened Jun 30, 2026
Interpolation wrapping breaks multi-line string indentation Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1226 · 1 comment · Opened Jun 25, 2026
`lineLength` with `multilineTrailingCommaBehavior : alwaysUsed` seems broken Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

swiftlang/swift-format#1219 · 2 comments · Opened Jun 21, 2026
Remove `withKnownIssue` in the `fileIteratorWithMultipleNonEmptySwiftIgoreFiles` test Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/swift-format#1192 · Opened Apr 23, 2026
specifying `rules` in `.swift-format` file seems to change the default value for some rules Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

swiftlang/swift-format#1168 · 5 comments · Opened Mar 15, 2026
`swift lint` should invoke `swift format lint` to make it more discoverable. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swiftlang/swift-format#1152 · 1 comment · Opened Feb 3, 2026
Add a `NoLeadingUnderscores` mode that allows them when duplicating an existing property. Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

swiftlang/swift-format#1150 · 2 comments · Opened Jan 26, 2026
Line break incorrectly inserted before infix operator when trying to limit line length Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/swift-format#1141 · Opened Jan 4, 2026
Rule-based formatting is not applied when using offsets starting at 1 or greater Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

swiftlang/swift-format#1114 · Opened Dec 11, 2025
Feature request: Lint rule for avoiding unsafe Swift Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

swiftlang/swift-format#1083 · 6 comments · Opened Oct 29, 2025
swift-format lint is slower when run with the parallel option Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swiftlang/swift-format#1069 · 3 comments · 2 reactions · Opened Oct 2, 2025
Excessive whitespaces inserted for `..` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

swiftlang/swift-format#1051 · 9 comments · 1 reaction · Opened Jul 23, 2025
Line breaks not respected in statement conditions Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swiftlang/swift-format#1038 · 6 comments · Opened Jun 20, 2025
Weird formatting (extra line break) around assigning to `_` Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

swiftlang/swift-format#1033 · Opened Jun 11, 2025
Release name unnecessarily complicates scripts Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swiftlang/swift-format#1024 · 3 comments · Opened May 26, 2025
Feature Request: Add blank line before a comment on its own line Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swiftlang/swift-format#1018 · Opened May 13, 2025
Swift-format wants to break code when @availablity is behind #if Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

swiftlang/swift-format#1012 · 1 comment · Opened May 6, 2025
`respectsExistingLineBreaks` causes conditional compilation blocks to not build when used with SwiftUI modifiers Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swiftlang/swift-format#1005 · 1 comment · Opened Apr 24, 2025
swift-format line break after the = Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swiftlang/swift-format#1002 · Opened Apr 20, 2025
Place function definition arguments and function call args on same line as function name Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swiftlang/swift-format#996 · 5 comments · 1 reaction · Opened Apr 15, 2025
Add examples to all rules and configuration documentation Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

swiftlang/swift-format#995 · 1 reaction · Opened Apr 15, 2025
[PrettyPrinter] Figure out how to gracefully handle unacknowledged nodes Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

swiftlang/swift-format#982 · 1 comment · 2 reactions · Opened Apr 8, 2025
Add performance measurements to PR checks? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swiftlang/swift-format#967 · 1 comment · 1 reaction · Opened Mar 20, 2025
Configure PrettyPrinterRules Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swiftlang/swift-format#964 · 1 comment · Opened Mar 18, 2025
Incorrect formatting when disabling #if indentation in a postfix expression Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swiftlang/swift-format#944 · 1 comment · Opened Feb 21, 2025
FR: Provide a JSON Schema for `.swift-format` Open

Difficulty 3/5 1-2 days Newbie friendliness 66/100

swiftlang/swift-format#932 · 3 comments · 2 reactions · Opened Feb 13, 2025
apply BeginDocumentationCommentWithOneLineSummary to public decls Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swiftlang/swift-format#925 · 1 comment · Opened Feb 8, 2025
🛠 Feature Request: Ignore Trailing Spaces in Comments Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

swiftlang/swift-format#920 · 5 comments · Opened Feb 2, 2025
The default formatting configuration and workflow are strange Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

swiftlang/swift-format#917 · 9 comments · 5 reactions · Opened Jan 29, 2025
Formatting should be more opinionated Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

swiftlang/swift-format#908 · 2 comments · 5 reactions · Opened Jan 3, 2025
Add configuration option for adding `)` on a new line Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

swiftlang/swift-format#902 · 9 comments · 5 reactions · Opened Dec 15, 2024
Inconsistency in formatting of multiline conditional statements Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swiftlang/swift-format#885 · 1 comment · Opened Nov 28, 2024
`prioritizeKeepingFunctionOutputTogether ` should Include function opening parenthesis as well as function output Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

swiftlang/swift-format#884 · 1 comment · 1 reaction · Opened Nov 28, 2024
PrettyPrinter reports wrong line numbers Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

swiftlang/swift-format#882 · 2 comments · Opened Nov 23, 2024
Allow to customize severity of Rules Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

swiftlang/swift-format#879 · 2 comments · Opened Nov 21, 2024
Have the ability to keep and add commas to the end of a single element in a multi line list Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

swiftlang/swift-format#874 · 8 comments · 12 reactions · Opened Nov 7, 2024
Formatted code does not compile anymore when throwing an error with a comment between the error type and its init arguments with the comments crossing the max column width Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

swiftlang/swift-format#872 · 1 comment · Opened Nov 6, 2024
Make swift-format default behavior friendlier when passed no arguments Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

swiftlang/swift-format#871 · 6 comments · 1 reaction · Opened Nov 5, 2024

swiftlang/swift-format

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