2.2.1

Breaking

• None.

Enhancements

• None.

Bug Fixes

• Fix unused parameter identification when surrounded with backquotes.

2.2.0

Breaking

• None.

Enhancements

• Add support for SwiftPM & Xcode mixed projects.

Bug Fixes

• None.

2.1.1

Breaking

• None.

Enhancements

• None.

Bug Fixes

• IBOutlets and IBActions that reside in a base class that are referenced only via a subclass are now retained.

2.1.0

Breaking

• None.

Enhancements

• Added a Checkstyle output formatter.

Bug Fixes

• Fix Swift 5.2 support.
• Updated Yams dependency to fix building with Swift for Tensorflow.
• Fix possible concurrent mutation crash.
• Classes & structs that conform to SwiftUI's LibraryContentProvider are now retained.

2.0.1

Breaking

• None.

Enhancements

• None.

Bug Fixes

• Fix version number.

2.0.0

Breaking

• SourceKit based indexing has been removed, the IndexStore indexer is now the sole indexer. Therefore, the following scan options have been removed: --use-index-store, --use-build-log, --save-build-log.
• The scan-syntax command has been removed.

Enhancements

• Support for code comments to ignore unused declarations.
• Support for analyzing Swift Package Manager projects.
• Linux support for Swift Package Manager projects.
• Assign-only property detection is back and enabled by default. Disable it with --retain-assign-only-properties.
• Added --skip-build option to skip the build phase.

Bug Fixes

• UISceneDelegateClassName & UISceneClassName referenced in Info.plist are now retained.
• Ignore parameters from functions annotated with @IBAction.
• Classes & structs that conform to SwiftUI's PreviewProvider are now retained.
• Support @main entry points.
• Fix unused recursive function detection when using the index store.
• Properties named in struct implicit constructors are now retained.
• Implicit declarations such as struct constructors are now retained.
• A typealias that defines an associatedtype in an external protocol is now retained.
• All custom appendInterpolation methods are now retained, as they cannot be identified as unused due to https://bugs.swift.org/browse/SR-13792.
• Fixed path resolution for nested projects in Xcode workspaces.
• wrappedValue and projectedValue properties in property wrappers are now retained.
• XCTestManifests.swift is now treated as an entry point file like LinuxMain.swift.
• Updated XcodeProj dependency to resolve some Xcode project parsing issues.

1.8.0

Breaking

• Aggressive Mode has been removed as it provided little value.
• Removed undocumented diagnosis console feature.

Enhancements

• Add Xcode 12 support.

Bug Fixes

• Fixed an issue where implicit declarations inserted by SourceKit could cause incorrect results.

1.7.1

Breaking

• None.

Enhancements

• None.

Bug Fixes

• Fix --exclude option for scan-syntax.
• Bundle lib_InternalSwiftSyntaxParser.dylib in the release archive.

1.7.0

Breaking

• None.

Enhancements

• Support for Xcode 11.4, Swift 5.2.
• Experimental IndexStore based indexer.

Bug Fixes

• Fix shell escaping issues.

1.6.0

Breaking

• None.

Enhancements

• Add support for Xcode 11.3.

Bug Fixes

• None.