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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 SwiftMath, reference 1.7.1 (606f9b), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 04:14:38 UTC.

Swift 6 data race errors: 12

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mgriebling/SwiftMath.git
Reference: 1.7.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mgriebling/SwiftMath
 * tag               1.7.1      -> FETCH_HEAD
HEAD is now at 606f9be Fix Ø command.
Cloned https://github.com/mgriebling/SwiftMath.git
Revision (git rev-parse @):
606f9be66db6afe0c41c3b064723a57061723db7
SUCCESS checkout https://github.com/mgriebling/SwiftMath.git at 1.7.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mgriebling/SwiftMath.git
https://github.com/mgriebling/SwiftMath.git
{
  "default_localization" : "en",
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftMath",
  "name" : "SwiftMath",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftMath",
      "targets" : [
        "SwiftMath"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftMathTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMathTests",
      "path" : "Tests/SwiftMathTests",
      "sources" : [
        "ConcurrencyThreadsafeTests.swift",
        "MTFontMathTableV2Tests.swift",
        "MTFontV2Tests.swift",
        "MTMathListBuilderTests.swift",
        "MTMathListTests.swift",
        "MTTypesetterTests.swift",
        "MathFontTests.swift",
        "MathImageTests.swift"
      ],
      "target_dependencies" : [
        "SwiftMath"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftMath",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMath",
      "path" : "Sources/SwiftMath",
      "product_memberships" : [
        "SwiftMath"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/mathFonts.bundle",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "MathBundle/MTFontMathTableV2.swift",
        "MathBundle/MTFontV2.swift",
        "MathBundle/MathFont.swift",
        "MathBundle/MathImage.swift",
        "MathRender/MTBezierPath.swift",
        "MathRender/MTColor.swift",
        "MathRender/MTConfig.swift",
        "MathRender/MTFont.swift",
        "MathRender/MTFontManager.swift",
        "MathRender/MTFontMathTable.swift",
        "MathRender/MTLabel.swift",
        "MathRender/MTMathAtomFactory.swift",
        "MathRender/MTMathImage.swift",
        "MathRender/MTMathList.swift",
        "MathRender/MTMathListBuilder.swift",
        "MathRender/MTMathListDisplay.swift",
        "MathRender/MTMathListIndex.swift",
        "MathRender/MTMathUILabel.swift",
        "MathRender/MTTypesetter.swift",
        "MathRender/MTUnicode.swift",
        "MathRender/RWLock.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/4] Write sources
[1/4] Copying Info.plist
[2/4] Copying mathFonts.bundle
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/25] Emitting module SwiftMath
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathBundle/MathFont.swift:84:25: warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
 80 |     }
 81 | }
 82 | private class BundleManager {
    |               `- note: class 'BundleManager' does not conform to the 'Sendable' protocol
 83 |     //Note: below should be lightweight and without threadsafe problem.
 84 |     static internal let manager = BundleManager()
    |                         |- warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
    |                         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 |
 86 |     private var cgFonts = [MathFont: CGFont]()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTFontManager.swift:14:36: warning: static property 'manager' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | public class MTFontManager {
13 |
14 |     static public private(set) var manager: MTFontManager = {
   |                                    |- warning: static property 'manager' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'manager' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
   |                                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |         MTFontManager()
16 |     }()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:66:16: warning: static property '_delimValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     private static let delimValueLock = NSLock()
 66 |     static var _delimValueToName = [String: String]()
    |                |- warning: static property '_delimValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_delimValueToName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_delimValueToName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |     public static var delimValueToName: [String: String] {
 68 |         if _delimValueToName.isEmpty {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:108:16: warning: static property '_accentValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
106 |
107 |     private static let accentValueLock = NSLock()
108 |     static var _accentValueToName: [String: String]? = nil
    |                |- warning: static property '_accentValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_accentValueToName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_accentValueToName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 |     public static var accentValueToName: [String: String] {
110 |         if _accentValueToName == nil {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:140:16: warning: static property 'supportedLatexSymbols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
138 |     }
139 |
140 |     static var supportedLatexSymbols: [String: MTMathAtom] = [
    |                |- warning: static property 'supportedLatexSymbols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supportedLatexSymbols' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'supportedLatexSymbols' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         "square" : MTMathAtomFactory.placeholder(),
142 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:415:13: warning: static property 'supportedAccentedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
413 |     ]
414 |
415 | 	static var supportedAccentedCharacters: [Character: (String, String)] = [
    |             |- warning: static property 'supportedAccentedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'supportedAccentedCharacters' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'supportedAccentedCharacters' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
416 | 		// Acute accents
417 | 		"á": ("acute", "a"), "é": ("acute", "e"), "í": ("acute", "i"),
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:458:16: warning: static property '_textToLatexSymbolName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
456 |
457 |     private static let textToLatexLock = NSLock()
458 |     static var _textToLatexSymbolName: [String: String]? = nil
    |                |- warning: static property '_textToLatexSymbolName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_textToLatexSymbolName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_textToLatexSymbolName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
459 |     public static var textToLatexSymbolName: [String: String] {
460 |         get {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:499:16: warning: static property 'fontStyles' is not concurrency-safe because non-'Sendable' type '[String : MTFontStyle]' may have shared mutable state; this is an error in the Swift 6 language mode
497 |   //  public static let sharedInstance = MTMathAtomFactory()
498 |
499 |     static let fontStyles : [String: MTFontStyle] = [
    |                |- warning: static property 'fontStyles' is not concurrency-safe because non-'Sendable' type '[String : MTFontStyle]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fontStyles' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
500 |         "mathnormal" : .defaultStyle,
501 |         "mathrm": .roman,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathList.swift:126:13: note: consider making enum 'MTFontStyle' conform to the 'Sendable' protocol
 124 |  of type kMTMathAtomVariable and kMTMathAtomNumber. None of the other atom types change their font style.
 125 |  */
 126 | public enum MTFontStyle:Int {
     |             `- note: consider making enum 'MTFontStyle' conform to the 'Sendable' protocol
 127 |     /// The default latex rendering style. i.e. variables are italic and numbers are roman.
 128 |     case defaultStyle = 0,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListBuilder.swift:124:23: warning: static property 'styleToCommands' is not concurrency-safe because non-'Sendable' type '[MTLineStyle : String]' may have shared mutable state; this is an error in the Swift 6 language mode
122 |     ]
123 |
124 |     public static let styleToCommands: [MTLineStyle: String] = [
    |                       |- warning: static property 'styleToCommands' is not concurrency-safe because non-'Sendable' type '[MTLineStyle : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'styleToCommands' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
125 |         .display: "displaystyle",
126 |         .text: "textstyle",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathList.swift:609:13: note: consider making enum 'MTLineStyle' conform to the 'Sendable' protocol
 607 |  Styling of a line of math
 608 |  */
 609 | public enum MTLineStyle:Int, Comparable {
     |             `- note: consider making enum 'MTLineStyle' conform to the 'Sendable' protocol
 610 |     /// Display style
 611 |     case display
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListDisplay.swift:41:16: warning: static property 'initialized' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 39 |
 40 |     // needed for isIos6Supported() func above
 41 |     static var initialized = false
    |                |- warning: static property 'initialized' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'initialized' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'initialized' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 42 |     static var supported = false
 43 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListDisplay.swift:42:16: warning: static property 'supported' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 40 |     // needed for isIos6Supported() func above
 41 |     static var initialized = false
 42 |     static var supported = false
    |                |- warning: static property 'supported' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supported' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'supported' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |
 44 |     /// Draws itself in the given graphics context.
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTTypesetter.swift:23:5: warning: var 'interElementSpaceArray' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  21 | }
  22 |
  23 | var interElementSpaceArray = [[InterElementSpaceType]]()
     |     |- warning: var 'interElementSpaceArray' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |     |- note: convert 'interElementSpaceArray' to a 'let' constant to make 'Sendable' shared state immutable
     |     |- note: add '@MainActor' to make var 'interElementSpaceArray' part of global actor 'MainActor'
     |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  24 | private let interElementLock = NSLock()
  25 |
[6/27] Compiling SwiftMath RWLock.swift
[7/27] Compiling SwiftMath resource_bundle_accessor.swift
[8/27] Compiling SwiftMath MTFontMathTableV2.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathBundle/MathFont.swift:84:25: warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
 80 |     }
 81 | }
 82 | private class BundleManager {
    |               `- note: class 'BundleManager' does not conform to the 'Sendable' protocol
 83 |     //Note: below should be lightweight and without threadsafe problem.
 84 |     static internal let manager = BundleManager()
    |                         |- warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
    |                         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 |
 86 |     private var cgFonts = [MathFont: CGFont]()
[9/27] Compiling SwiftMath MTFontV2.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathBundle/MathFont.swift:84:25: warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
 80 |     }
 81 | }
 82 | private class BundleManager {
    |               `- note: class 'BundleManager' does not conform to the 'Sendable' protocol
 83 |     //Note: below should be lightweight and without threadsafe problem.
 84 |     static internal let manager = BundleManager()
    |                         |- warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
    |                         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 |
 86 |     private var cgFonts = [MathFont: CGFont]()
[10/27] Compiling SwiftMath MathFont.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathBundle/MathFont.swift:84:25: warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
 80 |     }
 81 | }
 82 | private class BundleManager {
    |               `- note: class 'BundleManager' does not conform to the 'Sendable' protocol
 83 |     //Note: below should be lightweight and without threadsafe problem.
 84 |     static internal let manager = BundleManager()
    |                         |- warning: static property 'manager' is not concurrency-safe because non-'Sendable' type 'BundleManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
    |                         `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 |
 86 |     private var cgFonts = [MathFont: CGFont]()
[11/27] Compiling SwiftMath MTTypesetter.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTTypesetter.swift:23:5: warning: var 'interElementSpaceArray' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  21 | }
  22 |
  23 | var interElementSpaceArray = [[InterElementSpaceType]]()
     |     |- warning: var 'interElementSpaceArray' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |     |- note: convert 'interElementSpaceArray' to a 'let' constant to make 'Sendable' shared state immutable
     |     |- note: add '@MainActor' to make var 'interElementSpaceArray' part of global actor 'MainActor'
     |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  24 | private let interElementLock = NSLock()
  25 |
[12/27] Compiling SwiftMath MTUnicode.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTTypesetter.swift:23:5: warning: var 'interElementSpaceArray' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  21 | }
  22 |
  23 | var interElementSpaceArray = [[InterElementSpaceType]]()
     |     |- warning: var 'interElementSpaceArray' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |     |- note: convert 'interElementSpaceArray' to a 'let' constant to make 'Sendable' shared state immutable
     |     |- note: add '@MainActor' to make var 'interElementSpaceArray' part of global actor 'MainActor'
     |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  24 | private let interElementLock = NSLock()
  25 |
[13/27] Compiling SwiftMath MTConfig.swift
[14/27] Compiling SwiftMath MTFont.swift
[15/27] Compiling SwiftMath MTMathImage.swift
[16/27] Compiling SwiftMath MTMathList.swift
[17/27] Compiling SwiftMath MTLabel.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:66:16: warning: static property '_delimValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     private static let delimValueLock = NSLock()
 66 |     static var _delimValueToName = [String: String]()
    |                |- warning: static property '_delimValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_delimValueToName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_delimValueToName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |     public static var delimValueToName: [String: String] {
 68 |         if _delimValueToName.isEmpty {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:108:16: warning: static property '_accentValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
106 |
107 |     private static let accentValueLock = NSLock()
108 |     static var _accentValueToName: [String: String]? = nil
    |                |- warning: static property '_accentValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_accentValueToName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_accentValueToName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 |     public static var accentValueToName: [String: String] {
110 |         if _accentValueToName == nil {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:140:16: warning: static property 'supportedLatexSymbols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
138 |     }
139 |
140 |     static var supportedLatexSymbols: [String: MTMathAtom] = [
    |                |- warning: static property 'supportedLatexSymbols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supportedLatexSymbols' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'supportedLatexSymbols' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         "square" : MTMathAtomFactory.placeholder(),
142 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:415:13: warning: static property 'supportedAccentedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
413 |     ]
414 |
415 | 	static var supportedAccentedCharacters: [Character: (String, String)] = [
    |             |- warning: static property 'supportedAccentedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'supportedAccentedCharacters' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'supportedAccentedCharacters' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
416 | 		// Acute accents
417 | 		"á": ("acute", "a"), "é": ("acute", "e"), "í": ("acute", "i"),
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:458:16: warning: static property '_textToLatexSymbolName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
456 |
457 |     private static let textToLatexLock = NSLock()
458 |     static var _textToLatexSymbolName: [String: String]? = nil
    |                |- warning: static property '_textToLatexSymbolName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_textToLatexSymbolName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_textToLatexSymbolName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
459 |     public static var textToLatexSymbolName: [String: String] {
460 |         get {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:499:16: warning: static property 'fontStyles' is not concurrency-safe because non-'Sendable' type '[String : MTFontStyle]' may have shared mutable state; this is an error in the Swift 6 language mode
497 |   //  public static let sharedInstance = MTMathAtomFactory()
498 |
499 |     static let fontStyles : [String: MTFontStyle] = [
    |                |- warning: static property 'fontStyles' is not concurrency-safe because non-'Sendable' type '[String : MTFontStyle]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fontStyles' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
500 |         "mathnormal" : .defaultStyle,
501 |         "mathrm": .roman,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathList.swift:126:13: note: consider making enum 'MTFontStyle' conform to the 'Sendable' protocol
 124 |  of type kMTMathAtomVariable and kMTMathAtomNumber. None of the other atom types change their font style.
 125 |  */
 126 | public enum MTFontStyle:Int {
     |             `- note: consider making enum 'MTFontStyle' conform to the 'Sendable' protocol
 127 |     /// The default latex rendering style. i.e. variables are italic and numbers are roman.
 128 |     case defaultStyle = 0,
[18/27] Compiling SwiftMath MTMathAtomFactory.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:66:16: warning: static property '_delimValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     private static let delimValueLock = NSLock()
 66 |     static var _delimValueToName = [String: String]()
    |                |- warning: static property '_delimValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_delimValueToName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_delimValueToName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |     public static var delimValueToName: [String: String] {
 68 |         if _delimValueToName.isEmpty {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:108:16: warning: static property '_accentValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
106 |
107 |     private static let accentValueLock = NSLock()
108 |     static var _accentValueToName: [String: String]? = nil
    |                |- warning: static property '_accentValueToName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_accentValueToName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_accentValueToName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
109 |     public static var accentValueToName: [String: String] {
110 |         if _accentValueToName == nil {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:140:16: warning: static property 'supportedLatexSymbols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
138 |     }
139 |
140 |     static var supportedLatexSymbols: [String: MTMathAtom] = [
    |                |- warning: static property 'supportedLatexSymbols' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supportedLatexSymbols' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'supportedLatexSymbols' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |         "square" : MTMathAtomFactory.placeholder(),
142 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:415:13: warning: static property 'supportedAccentedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
413 |     ]
414 |
415 | 	static var supportedAccentedCharacters: [Character: (String, String)] = [
    |             |- warning: static property 'supportedAccentedCharacters' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'supportedAccentedCharacters' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'supportedAccentedCharacters' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
416 | 		// Acute accents
417 | 		"á": ("acute", "a"), "é": ("acute", "e"), "í": ("acute", "i"),
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:458:16: warning: static property '_textToLatexSymbolName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
456 |
457 |     private static let textToLatexLock = NSLock()
458 |     static var _textToLatexSymbolName: [String: String]? = nil
    |                |- warning: static property '_textToLatexSymbolName' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_textToLatexSymbolName' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_textToLatexSymbolName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
459 |     public static var textToLatexSymbolName: [String: String] {
460 |         get {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathAtomFactory.swift:499:16: warning: static property 'fontStyles' is not concurrency-safe because non-'Sendable' type '[String : MTFontStyle]' may have shared mutable state; this is an error in the Swift 6 language mode
497 |   //  public static let sharedInstance = MTMathAtomFactory()
498 |
499 |     static let fontStyles : [String: MTFontStyle] = [
    |                |- warning: static property 'fontStyles' is not concurrency-safe because non-'Sendable' type '[String : MTFontStyle]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fontStyles' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
500 |         "mathnormal" : .defaultStyle,
501 |         "mathrm": .roman,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathList.swift:126:13: note: consider making enum 'MTFontStyle' conform to the 'Sendable' protocol
 124 |  of type kMTMathAtomVariable and kMTMathAtomNumber. None of the other atom types change their font style.
 125 |  */
 126 | public enum MTFontStyle:Int {
     |             `- note: consider making enum 'MTFontStyle' conform to the 'Sendable' protocol
 127 |     /// The default latex rendering style. i.e. variables are italic and numbers are roman.
 128 |     case defaultStyle = 0,
[19/27] Compiling SwiftMath MathImage.swift
[20/27] Compiling SwiftMath MTBezierPath.swift
[21/27] Compiling SwiftMath MTColor.swift
[22/27] Compiling SwiftMath MTMathListIndex.swift
[23/27] Compiling SwiftMath MTMathUILabel.swift
[24/27] Compiling SwiftMath MTFontManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTFontManager.swift:14:36: warning: static property 'manager' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | public class MTFontManager {
13 |
14 |     static public private(set) var manager: MTFontManager = {
   |                                    |- warning: static property 'manager' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'manager' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
   |                                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |         MTFontManager()
16 |     }()
[25/27] Compiling SwiftMath MTFontMathTable.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTFontManager.swift:14:36: warning: static property 'manager' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | public class MTFontManager {
13 |
14 |     static public private(set) var manager: MTFontManager = {
   |                                    |- warning: static property 'manager' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                    |- note: convert 'manager' to a 'let' constant to make 'Sendable' shared state immutable
   |                                    |- note: add '@MainActor' to make static property 'manager' part of global actor 'MainActor'
   |                                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |         MTFontManager()
16 |     }()
[26/27] Compiling SwiftMath MTMathListBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListBuilder.swift:124:23: warning: static property 'styleToCommands' is not concurrency-safe because non-'Sendable' type '[MTLineStyle : String]' may have shared mutable state; this is an error in the Swift 6 language mode
122 |     ]
123 |
124 |     public static let styleToCommands: [MTLineStyle: String] = [
    |                       |- warning: static property 'styleToCommands' is not concurrency-safe because non-'Sendable' type '[MTLineStyle : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'styleToCommands' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
125 |         .display: "displaystyle",
126 |         .text: "textstyle",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathList.swift:609:13: note: consider making enum 'MTLineStyle' conform to the 'Sendable' protocol
 607 |  Styling of a line of math
 608 |  */
 609 | public enum MTLineStyle:Int, Comparable {
     |             `- note: consider making enum 'MTLineStyle' conform to the 'Sendable' protocol
 610 |     /// Display style
 611 |     case display
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListDisplay.swift:41:16: warning: static property 'initialized' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 39 |
 40 |     // needed for isIos6Supported() func above
 41 |     static var initialized = false
    |                |- warning: static property 'initialized' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'initialized' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'initialized' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 42 |     static var supported = false
 43 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListDisplay.swift:42:16: warning: static property 'supported' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 40 |     // needed for isIos6Supported() func above
 41 |     static var initialized = false
 42 |     static var supported = false
    |                |- warning: static property 'supported' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supported' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'supported' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |
 44 |     /// Draws itself in the given graphics context.
[27/27] Compiling SwiftMath MTMathListDisplay.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListBuilder.swift:124:23: warning: static property 'styleToCommands' is not concurrency-safe because non-'Sendable' type '[MTLineStyle : String]' may have shared mutable state; this is an error in the Swift 6 language mode
122 |     ]
123 |
124 |     public static let styleToCommands: [MTLineStyle: String] = [
    |                       |- warning: static property 'styleToCommands' is not concurrency-safe because non-'Sendable' type '[MTLineStyle : String]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'styleToCommands' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
125 |         .display: "displaystyle",
126 |         .text: "textstyle",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathList.swift:609:13: note: consider making enum 'MTLineStyle' conform to the 'Sendable' protocol
 607 |  Styling of a line of math
 608 |  */
 609 | public enum MTLineStyle:Int, Comparable {
     |             `- note: consider making enum 'MTLineStyle' conform to the 'Sendable' protocol
 610 |     /// Display style
 611 |     case display
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListDisplay.swift:41:16: warning: static property 'initialized' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 39 |
 40 |     // needed for isIos6Supported() func above
 41 |     static var initialized = false
    |                |- warning: static property 'initialized' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'initialized' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'initialized' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 42 |     static var supported = false
 43 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/MathRender/MTMathListDisplay.swift:42:16: warning: static property 'supported' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 40 |     // needed for isIos6Supported() func above
 41 |     static var initialized = false
 42 |     static var supported = false
    |                |- warning: static property 'supported' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supported' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property 'supported' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |
 44 |     /// Draws itself in the given graphics context.
Build complete! (9.27s)
Build complete.
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  "manifest_display_name" : "SwiftMath",
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  "platforms" : [
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  "targets" : [
    {
      "c99name" : "SwiftMathTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMathTests",
      "path" : "Tests/SwiftMathTests",
      "sources" : [
        "ConcurrencyThreadsafeTests.swift",
        "MTFontMathTableV2Tests.swift",
        "MTFontV2Tests.swift",
        "MTMathListBuilderTests.swift",
        "MTMathListTests.swift",
        "MTTypesetterTests.swift",
        "MathFontTests.swift",
        "MathImageTests.swift"
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      "target_dependencies" : [
        "SwiftMath"
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      "type" : "test"
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    {
      "c99name" : "SwiftMath",
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      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/SwiftMath/mathFonts.bundle",
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      ],
      "sources" : [
        "MathBundle/MTFontMathTableV2.swift",
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        "MathRender/MTFontMathTable.swift",
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        "MathRender/MTMathAtomFactory.swift",
        "MathRender/MTMathImage.swift",
        "MathRender/MTMathList.swift",
        "MathRender/MTMathListBuilder.swift",
        "MathRender/MTMathListDisplay.swift",
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        "MathRender/RWLock.swift"
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      "type" : "library"
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  "tools_version" : "5.7"
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Done.