2.21.0

Breaking

• Removed support for Swift 5.8/Xcode 14.3.

Enhancements

• Added baseline support. Write a baseline with --write-baseline <file> and use it with --baseline <file>.

Bug Fixes

• Fix local Swift package support.

2.20.0

Breaking

• None.

Enhancements

• Added GitHub Actions output formatter.

Bug Fixes

• Disable unused import analysis for files retained with --retain-files.
• Fix handling of Xcode project paths containing spaces.
• Fix bug causing non-deterministic results for structs with implicit initializers.

2.19.0

Breaking

• None.

Enhancements

• Unused import detection is now enabled by default.
• Added the --retain-encodable-properties option to retain all properties on Encodable types only.
• Added the --xcode-list-arguments option to pass additional arguments to xcodebuild -list.
• Added the --skip-schemes-validation option to skip validation of Xcode schemes.

Bug Fixes

• @State and @Binding properties are now excluded from assign-only property analysis.
• Unused imports are now detected in files containing no references.

2.18.0

Breaking

• The command-line parsing strategy for options that were delimited by a pipe or comma has changed. These options are now parsed as a space delimited list, e.g --option "arg1" "arg2".
• The option --external-encodable-protocols is deprecated, use --external-codable-protocols instead.

Enhancements

• Add experimental unused import analysis option --enable-unused-import-analysis.
• Add experimental automatic code removal option --auto-remove.
• Assign-only properties on structs with synthesized initializers are now detected.
• Added the --retain-codable-properties option to retain all properties on Codable types.
• Results for redundant protocol conformances will now list the inherited protocols that should replace the redundant conformance, if any.
• Added the --retain-files option to retain all declarations within the given files.

Bug Fixes

• Subscript functions required by @dynamicMemberLookup are now retained.
• A newline is no longer printed before non-Xcode formatted results.
• --external-codable-protocols now retains enums that conform to CodingKey.
• Fix public accessibility false-positive for actors.
• Fix public accessibility false-positive for property wrappers.
• Fix public accessibility false-positive for declarations referenced from a public @inlinable function.
• Fix public accessibility false-positive for function parameter default values.
• Fix public accessibility false-positive for inherited and default associated types.
• Fix public accessibility false-positive for generic types used in the generic argument clause of a return type.
• Fix public accessibility false-positive for retained/ignored declarations.
• Fix public accessibility false-positive for enum case parameter types.
• Fix public accessibility false-positive for properties initialized with generic specialized types.
• Types associated with assign-only properties are no longer identified as unused until the property is removed.
• Classes referenced in Info.plist as NSPrincipalClass and WKExtensionDelegateClassName are now retained.

2.17.1

2.17.1

Breaking

• None.

Enhancements

• Add support for indexing plist files via the generic --file-targets-path option.

Bug Fixes

• None.

2.17.0

2.17.0

Breaking

• None.

Enhancements

• Added the --relative-results option to output result paths relative to the current directory.
• --quiet now silences warnings too.

Bug Fixes

• Fix redundant public accessibility analysis for protocol members declared in extensions that are referenced cross-module where the protocol itself is not.
• Remove checks causing errors when scanning multi-platform projects.
• Additional arguments passed through to xcodebuild/swift are now quoted automatically as needed.

2.16.0

2.16.0

Breaking

• None.

Enhancements

• SwiftUI previews (PreviewProvider) are no longer retained by default. Retain them with --retain-swift-ui-previews.

Bug Fixes

• Fix retaining members of public generic protocol extensions with --retain-public.

2.15.1

2.15.1

Breaking

• None.

Enhancements

• Swift 5.9 support.

Bug Fixes

• Path forward slashes in JSON output formats are no longer escaped.
• INDEX_ENABLE_DATA_STORE is now forcefully enabled as it's required for indexing in some cases.

2.15.0

2.15.0

Breaking

• Swift 5.7 and macOS 12 are no longer supported.

Enhancements

• Reduced indexing and analysis runtime by ~60%.

Bug Fixes

• Fix indexing multi-platform projects such as those containing watchOS extensions.
• Subclasses of CLKComplicationPrincipalClass referenced from an Info.plist are now retained.

2.14.1

2.14.1

Breaking

• None.

Enhancements

• None.

Bug Fixes

• Revert SwiftPM binary command plugin. Sorry folks, but SwiftPM doesn't provide the appropriate permissions for Periphery to build projects in the sandbox.