• Options now use --kebab-case. Existing option names without dashes remain supported for backwards compatibility. Some options have been renamed to improve clarity.
• Added support for :this and :previous in comment directives.
• Added support for formatting code blocks in Markdown files.
• Added support for multiple --config file arguments.
• Added singlePropertyPerLine rule to convert property declarations defining multiple properties into separate declarations.
• Added redundantMemberwiseInit rule to remove explicit memberwise initializers that are identical to the struct's compiler-synthesized initializer.
• Added redundantPublic rule to remove public access control from properties of internal types.
• Added modifiersOnSameLine rule to keep declaration modifiers on the same line.
• Added throwingTests rule to prefer using try and throws in unit tests rather than try!.
• Added noGuardInTests rule to prefer convert guard statements in unit tests to try #require(...) / #expect(...) or try XCTUnwrap(...) / XCTAssert(...).
• Added urlMacro rule to convert URL(string: "...")! initializers to a provided #URL("...") macro.
• Added --trailing-commas collections-only and --trailing-commas multi-element-lists options to trailingCommas rule.
• Added --type-blank-lines insert option to blankLinesAtStartOfScope and blankLinesAtEndOfScope rules.
• Added --wrap-string-interpolation option to support disabling line wrapping within string interpolation.
• Added --line-between-guards option to blankLinesAfterGuardStatements rule.
• Added support for SARIF output format.
• Improved performance of the docComments rule.
• Fixed bug in docComments rule where trailing comments would be converted to doc comments.
• Fixed bug where redundantNilInit rule would ignore type bodies with conformances.
• Fixed bug where wrapEnumCases didn't handle some nested types correctly.
• Fixed issue where # characters in config files couldn't be escaped.
• Fixed issue where SwiftFormat for Xcode app would generate invalid config files with unescaped # characters.
• Fixed issue where --wrap-return-type never didn't respect --allman true.