This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.

The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of VDFlow with Swift 6.0 (beta) for macOS (SPM).

Swift 6 data race errors: 6

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dankinsoid/VDFlow.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dankinsoid/VDFlow
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 06c0f01 Update README.md
Cloned https://github.com/dankinsoid/VDFlow.git
Revision (git rev-parse @):
06c0f0129a6f5f7073821d9002e571702fecdf01
SUCCESS checkout https://github.com/dankinsoid/VDFlow.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/dankinsoid/VDFlow.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/17] Write sources
[14/17] Write swift-version-6F35C1178C84523A.txt
[16/19] Compiling SwiftSyntax509 Empty.swift
[17/19] Emitting module SwiftSyntax509
[18/65] Compiling SwiftSyntax AbsolutePosition.swift
[19/65] Compiling SwiftSyntax Assert.swift
[20/65] Compiling SwiftSyntax BumpPtrAllocator.swift
[21/65] Compiling SwiftSyntax CommonAncestor.swift
[22/65] Compiling SwiftSyntax Convenience.swift
[23/70] Compiling SwiftSyntax MemoryLayout.swift
[24/70] Compiling SwiftSyntax MissingNodeInitializers.swift
[25/70] Compiling SwiftSyntax RawSyntax.swift
[26/70] Compiling SwiftSyntax RawSyntaxLayoutView.swift
[27/70] Compiling SwiftSyntax RawSyntaxNodeProtocol.swift
[28/70] Compiling SwiftSyntax RawSyntaxTokenView.swift
[29/70] Compiling SwiftSyntax SourceLength.swift
[30/70] Compiling SwiftSyntax SourceLocation.swift
[31/70] Compiling SwiftSyntax SourcePresence.swift
[32/70] Compiling SwiftSyntax SwiftSyntaxCompatibility.swift
[33/70] Compiling SwiftSyntax SyntaxText.swift
[34/70] Compiling SwiftSyntax SyntaxTreeViewMode.swift
[35/70] Compiling SwiftSyntax TokenDiagnostic.swift
[36/70] Compiling SwiftSyntax TokenSyntax.swift
[37/70] Compiling SwiftSyntax Trivia.swift
[38/70] Compiling SwiftSyntax Syntax.swift
[39/70] Compiling SwiftSyntax SyntaxArena.swift
[40/70] Compiling SwiftSyntax SyntaxChildren.swift
[41/70] Compiling SwiftSyntax SyntaxCollection.swift
[42/70] Compiling SwiftSyntax SyntaxData.swift
[43/70] Compiling SwiftSyntax SyntaxAnyVisitor.swift
[44/70] Compiling SwiftSyntax SyntaxBaseNodes.swift
[45/70] Compiling SwiftSyntax SyntaxCollections.swift
[46/70] Compiling SwiftSyntax SyntaxEnum.swift
[47/70] Compiling SwiftSyntax SyntaxKind.swift
[48/70] Emitting module SwiftSyntax
[49/70] Compiling SwiftSyntax Utils.swift
[50/70] Compiling SwiftSyntax ChildNameForKeyPath.swift
[51/70] Compiling SwiftSyntax Keyword.swift
[52/70] Compiling SwiftSyntax RenamedChildrenCompatibility.swift
[53/70] Compiling SwiftSyntax RenamedNodesCompatibility.swift
[54/70] Compiling SwiftSyntax Tokens.swift
[55/70] Compiling SwiftSyntax TriviaPieces.swift
[56/70] Compiling SwiftSyntax RawSyntaxNodes.swift
[57/70] Compiling SwiftSyntax RawSyntaxValidation.swift
[58/70] Compiling SwiftSyntax SyntaxDeclNodes.swift
[59/70] Compiling SwiftSyntax SyntaxExprNodes.swift
[60/70] Compiling SwiftSyntax SyntaxNodes.swift
[61/70] Compiling SwiftSyntax SyntaxPatternNodes.swift
[62/70] Compiling SwiftSyntax SyntaxStmtNodes.swift
[63/70] Compiling SwiftSyntax SyntaxTypeNodes.swift
[64/70] Compiling SwiftSyntax SyntaxRewriter.swift
[65/70] Compiling SwiftSyntax SyntaxTraits.swift
[66/70] Compiling SwiftSyntax SyntaxTransform.swift
[67/70] Compiling SwiftSyntax SyntaxVisitor.swift
[68/70] Compiling SwiftSyntax TokenKind.swift
[69/122] Compiling SwiftDiagnostics Note.swift
[70/122] Compiling SwiftDiagnostics Message.swift
[71/122] Compiling SwiftBasicFormat SyntaxProtocol+Formatted.swift
[72/122] Compiling SwiftBasicFormat Trivia+FormatExtensions.swift
[73/122] Compiling SwiftDiagnostics Diagnostic.swift
[74/122] Compiling SwiftDiagnostics FixIt.swift
[75/122] Compiling SwiftDiagnostics GroupedDiagnostics.swift
[76/122] Emitting module SwiftDiagnostics
[77/122] Compiling SwiftDiagnostics Convenience.swift
[78/122] Compiling SwiftDiagnostics DiagnosticsFormatter.swift
[79/122] Compiling SwiftParser SyntaxUtils.swift
[80/122] Compiling SwiftParser TokenConsumer.swift
[81/122] Compiling SwiftParser TokenPrecedence.swift
[82/122] Compiling SwiftParser TokenSpec.swift
[83/126] Compiling SwiftParser Names.swift
[84/126] Compiling SwiftParser Nominals.swift
[85/126] Compiling SwiftParser Parameters.swift
[86/126] Compiling SwiftParser ParseSourceFile.swift
[87/126] Compiling SwiftBasicFormat Syntax+Extensions.swift
[88/126] Emitting module SwiftBasicFormat
[89/126] Compiling SwiftBasicFormat BasicFormat.swift
[90/126] Compiling SwiftParser Lexeme.swift
[91/126] Compiling SwiftParser LexemeSequence.swift
[92/126] Compiling SwiftParser Lexer.swift
[93/126] Compiling SwiftParser RegexLiteralLexer.swift
[94/126] Compiling SwiftParser Parser.swift
[95/126] Compiling SwiftParser Patterns.swift
[96/126] Compiling SwiftParser Recovery.swift
[97/126] Compiling SwiftParser Specifiers.swift
[98/126] Compiling SwiftParser Statements.swift
[99/126] Compiling SwiftParser StringLiteralRepresentedLiteralValue.swift
[100/126] Compiling SwiftParser StringLiterals.swift
[101/126] Compiling SwiftParser SwiftParserCompatibility.swift
[102/126] Compiling SwiftParser UnicodeScalarExtensions.swift
[103/126] Compiling SwiftParser Lookahead.swift
[104/126] Compiling SwiftParser LoopProgressCondition.swift
[105/126] Compiling SwiftParser Modifiers.swift
[106/126] Compiling SwiftParser TokenSpecSet.swift
[107/126] Compiling SwiftParser TopLevel.swift
[108/126] Compiling SwiftParser TriviaParser.swift
[109/126] Compiling SwiftParser Types.swift
[110/126] Emitting module SwiftParser
[111/126] Compiling SwiftParser IsLexerClassified.swift
[112/126] Compiling SwiftParser LayoutNodes+Parsable.swift
[113/126] Compiling SwiftParser Parser+TokenSpecSet.swift
[114/126] Compiling SwiftParser TokenSpecStaticMembers.swift
[115/126] Compiling SwiftParser Directives.swift
[116/126] Compiling SwiftParser ExperimentalFeatures.swift
[117/126] Compiling SwiftParser Expressions.swift
[118/126] Compiling SwiftParser IncrementalParseTransition.swift
[119/126] Compiling SwiftParser Cursor.swift
[120/126] Compiling SwiftParser Attributes.swift
[121/126] Compiling SwiftParser Availability.swift
[122/126] Compiling SwiftParser CharacterInfo.swift
[123/126] Compiling SwiftParser CollectionNodes+Parsable.swift
[124/126] Compiling SwiftParser Declarations.swift
[125/149] Compiling SwiftOperators PrecedenceGroup.swift
[126/149] Compiling SwiftOperators PrecedenceGraph.swift
[127/150] Compiling SwiftOperators OperatorTable.swift
[128/150] Compiling SwiftOperators OperatorTable+Defaults.swift
[129/150] Compiling SwiftOperators SyntaxSynthesis.swift
[130/150] Compiling SwiftOperators OperatorError.swift
[131/150] Compiling SwiftOperators OperatorError+Diagnostics.swift
[132/150] Compiling SwiftOperators OperatorTable+Semantics.swift
[133/150] Compiling SwiftOperators OperatorTable+Folding.swift
[134/150] Compiling SwiftOperators Operator.swift
[135/150] Compiling SwiftParserDiagnostics Utils.swift
[136/150] Compiling SwiftParserDiagnostics PresenceUtils.swift
[137/150] Compiling SwiftParserDiagnostics SyntaxExtensions.swift
[138/150] Compiling SwiftParserDiagnostics SyntaxKindNameForDiagnostics.swift
[139/150] Compiling SwiftParserDiagnostics ParserDiagnosticMessages.swift
[140/150] Compiling SwiftParserDiagnostics ChildNameForDiagnostics.swift
[141/151] Emitting module SwiftOperators
[142/151] Compiling SwiftParserDiagnostics TokenNameForDiagnostics.swift
[143/151] Compiling SwiftParserDiagnostics MissingNodesError.swift
[144/151] Compiling SwiftParserDiagnostics MissingTokenError.swift
[145/151] Compiling SwiftParserDiagnostics DiagnosticExtensions.swift
[146/151] Compiling SwiftParserDiagnostics LexerDiagnosticMessages.swift
[147/151] Compiling SwiftParserDiagnostics MultiLineStringLiteralDiagnosticsGenerator.swift
[148/151] Compiling SwiftParserDiagnostics ParseDiagnosticsGenerator.swift
[149/151] Emitting module SwiftParserDiagnostics
[150/165] Compiling SwiftSyntaxBuilder WithTrailingCommaSyntax+EnsuringTrailingComma.swift
[151/166] Compiling SwiftSyntaxBuilder SyntaxExpressibleByStringInterpolationConformances.swift
[152/166] Compiling SwiftSyntaxBuilder RenamedChildrenBuilderCompatibility.swift
[153/166] Compiling SwiftSyntaxBuilder ResultBuilders.swift
[154/166] Compiling SwiftSyntaxBuilder ValidatingSyntaxNodes.swift
[155/166] Compiling SwiftSyntaxBuilder BuildableNodes.swift
[156/166] Emitting module SwiftSyntaxBuilder
[157/166] Compiling SwiftSyntaxBuilder SwiftSyntaxBuilderCompatibility.swift
[158/166] Compiling SwiftSyntaxBuilder Syntax+StringInterpolation.swift
[159/166] Compiling SwiftSyntaxBuilder ConvenienceInitializers.swift
[160/166] Compiling SwiftSyntaxBuilder DeclSyntaxParseable.swift
[161/166] Compiling SwiftSyntaxBuilder SyntaxNodeWithBody.swift
[162/166] Compiling SwiftSyntaxBuilder SyntaxParsable+ExpressibleByStringInterpolation.swift
[163/166] Compiling SwiftSyntaxBuilder Indenter.swift
[164/166] Compiling SwiftSyntaxBuilder ResultBuilderExtensions.swift
[165/180] Compiling SwiftSyntaxMacros MemberAttributeMacro.swift
[166/181] Compiling SwiftSyntaxMacros MemberMacro.swift
[167/181] Compiling SwiftSyntaxMacros Macro.swift
[168/181] Compiling SwiftSyntaxMacros FreestandingMacro.swift
[169/181] Compiling SwiftSyntaxMacros ExpressionMacro.swift
[170/181] Compiling SwiftSyntaxMacros ExtensionMacro.swift
[171/181] Compiling SwiftSyntaxMacros Macro+Format.swift
[172/181] Compiling SwiftSyntaxMacros CodeItemMacro.swift
[173/181] Compiling SwiftSyntaxMacros DeclarationMacro.swift
[174/181] Compiling SwiftSyntaxMacros PeerMacro.swift
[175/181] Emitting module SwiftSyntaxMacros
[176/181] Compiling SwiftSyntaxMacros AccessorMacro.swift
[177/181] Compiling SwiftSyntaxMacros AttachedMacro.swift
[178/181] Compiling SwiftSyntaxMacros AbstractSourceLocation.swift
[179/181] Compiling SwiftSyntaxMacros MacroExpansionContext.swift
[180/189] Compiling SwiftSyntaxMacroExpansion MacroExpansionDiagnosticMessages.swift
[181/189] Compiling SwiftSyntaxMacroExpansion MacroReplacement.swift
[182/189] Compiling SwiftSyntaxMacroExpansion FunctionParameterUtils.swift
[183/189] Emitting module SwiftSyntaxMacroExpansion
[184/189] Compiling SwiftSyntaxMacroExpansion MacroExpansion.swift
[185/189] Compiling SwiftSyntaxMacroExpansion BasicMacroExpansionContext.swift
[186/189] Compiling SwiftSyntaxMacroExpansion IndentationUtils.swift
[187/189] Compiling SwiftSyntaxMacroExpansion MacroSystem.swift
[188/196] Compiling SwiftCompilerPluginMessageHandling Macros.swift
[189/196] Compiling SwiftCompilerPluginMessageHandling PluginMacroExpansionContext.swift
[190/196] Compiling SwiftCompilerPluginMessageHandling CompilerPluginMessageHandler.swift
[191/196] Compiling SwiftCompilerPluginMessageHandling Diagnostics.swift
[192/196] Emitting module SwiftCompilerPluginMessageHandling
[193/196] Compiling SwiftCompilerPluginMessageHandling PluginMessages.swift
[194/196] Compiling SwiftCompilerPluginMessageHandling PluginMessageCompatibility.swift
[195/198] Emitting module SwiftCompilerPlugin
[196/198] Compiling SwiftCompilerPlugin CompilerPlugin.swift
[197/200] Emitting module VDFlowMacros
[198/200] Compiling VDFlowMacros StepsMacro.swift
[198/200] Write Objects.LinkFileList
[199/200] Linking VDFlowMacros
[201/210] Compiling VDFlow StepsCollection.swift
[202/210] Compiling VDFlow macros.swift
[203/210] Compiling VDFlow StepWrapper.swift
[204/210] Compiling VDFlow StateStep.swift
[205/210] Compiling VDFlow StateOrBinding.swift
[206/210] Compiling VDFlow EmptyStep.swift
[207/210] Compiling VDFlow Focus.swift
[208/210] Emitting module VDFlow
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:200:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'PopAction' may have shared mutable state; this is an error in the Swift 6 language mode
198 | 	enum NavigationPopKey: EnvironmentKey {
199 | 		static var _defaultValue: (Int) -> Void = { _ in }
200 | 		static let defaultValue = PopAction { _defaultValue($0) }
    |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'PopAction' may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
201 | 	}
202 |
    :
222 |
223 | /// A type that represents a pop action.
224 | public struct PopAction {
    |               `- note: consider making struct 'PopAction' conform to the 'Sendable' protocol
225 |
226 | 	private let pop: (Int) -> Void
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:92:13: warning: static property 'defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 90 | private struct StepTag: _ViewTraitKey {
 91 |
 92 | 	static var defaultValue: AnyHashable = Optional<Int>.none
    |             |- warning: static property 'defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 | }
 94 |
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:199:14: warning: static property '_defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
197 |
198 | 	enum NavigationPopKey: EnvironmentKey {
199 | 		static var _defaultValue: (Int) -> Void = { _ in }
    |              |- warning: static property '_defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert '_defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate '_defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
200 | 		static let defaultValue = PopAction { _defaultValue($0) }
201 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:245:13: warning: var 'stackIDKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
243 | }
244 |
245 | private var stackIDKey = 0
    |             |- warning: var 'stackIDKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'stackIDKey' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'stackIDKey' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
246 | private var stackTagKey = 0
247 |
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:246:13: warning: var 'stackTagKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
244 |
245 | private var stackIDKey = 0
246 | private var stackTagKey = 0
    |             |- warning: var 'stackTagKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'stackTagKey' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'stackTagKey' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
247 |
248 | private final class IDWrapper {
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:309:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'PreviewPrintObject' may have shared mutable state; this is an error in the Swift 6 language mode
305 | }
306 |
307 | final class PreviewPrintObject: ObservableObject {
    |             `- note: class 'PreviewPrintObject' does not conform to the 'Sendable' protocol
308 |
309 | 	static let shared = PreviewPrintObject()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'PreviewPrintObject' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
310 |
311 | 	@Published var views: [AnyView] = []
[209/210] Compiling VDFlow MutateID.swift
[210/210] Compiling VDFlow NavigationSteps.swift
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:200:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'PopAction' may have shared mutable state; this is an error in the Swift 6 language mode
198 | 	enum NavigationPopKey: EnvironmentKey {
199 | 		static var _defaultValue: (Int) -> Void = { _ in }
200 | 		static let defaultValue = PopAction { _defaultValue($0) }
    |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'PopAction' may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
201 | 	}
202 |
    :
222 |
223 | /// A type that represents a pop action.
224 | public struct PopAction {
    |               `- note: consider making struct 'PopAction' conform to the 'Sendable' protocol
225 |
226 | 	private let pop: (Int) -> Void
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:92:13: warning: static property 'defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 90 | private struct StepTag: _ViewTraitKey {
 91 |
 92 | 	static var defaultValue: AnyHashable = Optional<Int>.none
    |             |- warning: static property 'defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 93 | }
 94 |
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:199:14: warning: static property '_defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
197 |
198 | 	enum NavigationPopKey: EnvironmentKey {
199 | 		static var _defaultValue: (Int) -> Void = { _ in }
    |              |- warning: static property '_defaultValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: convert '_defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |              |- note: annotate '_defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
200 | 		static let defaultValue = PopAction { _defaultValue($0) }
201 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:245:13: warning: var 'stackIDKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
243 | }
244 |
245 | private var stackIDKey = 0
    |             |- warning: var 'stackIDKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'stackIDKey' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'stackIDKey' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
246 | private var stackTagKey = 0
247 |
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:246:13: warning: var 'stackTagKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
244 |
245 | private var stackIDKey = 0
246 | private var stackTagKey = 0
    |             |- warning: var 'stackTagKey' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'stackTagKey' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'stackTagKey' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
247 |
248 | private final class IDWrapper {
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:309:13: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'PreviewPrintObject' may have shared mutable state; this is an error in the Swift 6 language mode
305 | }
306 |
307 | final class PreviewPrintObject: ObservableObject {
    |             `- note: class 'PreviewPrintObject' does not conform to the 'Sendable' protocol
308 |
309 | 	static let shared = PreviewPrintObject()
    |             |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'PreviewPrintObject' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
310 |
311 | 	@Published var views: [AnyView] = []
/Users/admin/builder/spi-builder-workspace/Sources/VDFlow/NavigationSteps.swift:325:12: warning: call to main actor-isolated initializer 'init()' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
322 |
323 | extension View {
324 | 	func previewOverlay() -> some View {
    |       `- note: add '@MainActor' to make instance method 'previewOverlay()' part of global actor 'MainActor'
325 | 		modifier(PreviewPrintModifier())
    |            `- warning: call to main actor-isolated initializer 'init()' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
326 | 	}
327 | }
328 |
329 | struct PreviewPrintModifier: ViewModifier {
    |        `- note: calls to initializer 'init()' from outside of its actor context are implicitly asynchronous
330 |
331 | 	@ObservedObject private var object = PreviewPrintObject.shared
Build complete! (91.34s)
Fetching https://github.com/apple/swift-syntax.git
[1/60887] Fetching swift-syntax
Fetched https://github.com/apple/swift-syntax.git from cache (3.02s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 509.1.1 (1.57s)
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 509.1.1
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "509.0.2",
            "upper_bound" : "510.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-syntax.git"
    }
  ],
  "manifest_display_name" : "VDFlow",
  "name" : "VDFlow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "VDFlow",
      "targets" : [
        "VDFlow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "VDFlowMacros",
      "targets" : [
        "VDFlowMacros"
      ],
      "type" : {
        "macro" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VDFlowTests",
      "module_type" : "SwiftTarget",
      "name" : "VDFlowTests",
      "path" : "Tests/VDFlowTests",
      "sources" : [
        "VDFlowTests.swift"
      ],
      "target_dependencies" : [
        "VDFlow"
      ],
      "type" : "test"
    },
    {
      "c99name" : "VDFlowMacros",
      "module_type" : "SwiftTarget",
      "name" : "VDFlowMacros",
      "path" : "Sources/VDFlowMacros",
      "product_dependencies" : [
        "SwiftSyntaxMacros",
        "SwiftCompilerPlugin"
      ],
      "product_memberships" : [
        "VDFlow",
        "VDFlowMacros"
      ],
      "sources" : [
        "StepsMacro.swift"
      ],
      "type" : "macro"
    },
    {
      "c99name" : "VDFlow",
      "module_type" : "SwiftTarget",
      "name" : "VDFlow",
      "path" : "Sources/VDFlow",
      "product_memberships" : [
        "VDFlow"
      ],
      "sources" : [
        "EmptyStep.swift",
        "Focus.swift",
        "MutateID.swift",
        "NavigationSteps.swift",
        "StateOrBinding.swift",
        "StateStep.swift",
        "StepWrapper.swift",
        "StepsCollection.swift",
        "macros.swift"
      ],
      "target_dependencies" : [
        "VDFlowMacros"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.