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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 PDFPreviewer, reference 0.1.2 (207faf), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 16:12:46 UTC.

Swift 6 data race errors: 0

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mc-public/PDFPreviewer.git
Reference: 0.1.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mc-public/PDFPreviewer
 * tag               0.1.2      -> FETCH_HEAD
HEAD is now at 207faf8 Fixed some problems.
Cloned https://github.com/mc-public/PDFPreviewer.git
Revision (git rev-parse @):
207faf8f5a89b025bbcf4f39d10904d2380b7030
SUCCESS checkout https://github.com/mc-public/PDFPreviewer.git at 0.1.2
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mc-public/PDFPreviewer.git
https://github.com/mc-public/PDFPreviewer.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PDFPreviewer",
  "name" : "PDFPreviewer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "PDFPreviewer",
      "targets" : [
        "PDFPreviewer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "PDFPreviewer",
      "module_type" : "SwiftTarget",
      "name" : "PDFPreviewer",
      "path" : "Sources/PDFPreviewer",
      "product_memberships" : [
        "PDFPreviewer"
      ],
      "sources" : [
        "Model/PDFDocumentModel+ColorTheme.swift",
        "Model/PDFDocumentModel+TrimLevel.swift",
        "Model/PDFDocumentModel.swift",
        "Model/PDFPageBounds.swift",
        "Model/PDFPageMargin.swift",
        "Model/PDFPageModel.swift",
        "SwiftUI/PDFPreviewer+ConstraintView.swift",
        "SwiftUI/PDFPreviewer.swift",
        "SwiftUI/PDFPreviewerModel+Border.swift",
        "SwiftUI/PDFPreviewerModel+InteractionDelegate.swift",
        "SwiftUI/PDFPreviewerModel+Navigation.swift",
        "SwiftUI/PDFPreviewerModel+ScrollViewDelegate.swift",
        "SwiftUI/PDFPreviewerModel.swift",
        "Utilities/Foundation/ApproximateEquality.swift",
        "Utilities/Foundation/AsyncOperation.swift",
        "Utilities/Foundation/AtomicValue.swift",
        "Utilities/Foundation/URL+path.swift",
        "Utilities/UIKit/CALayer.swift",
        "Utilities/UIKit/Geometry.swift",
        "Utilities/UIKit/HoledView.swift",
        "Utilities/UIKit/UIMenu+Identifier+Cases.swift",
        "Utilities/UIKit/UIScrollView+Geometry.swift",
        "Utilities/UIKit/UIView+ResignKeyboard.swift",
        "View/PDFDocumentScrollView+Delegate.swift",
        "View/PDFDocumentScrollView+MenuItem.swift",
        "View/PDFDocumentScrollView+ScrollDelegate.swift",
        "View/PDFDocumentScrollView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/28] Emitting module PDFPreviewer
[4/30] Compiling PDFPreviewer PDFPreviewerModel+InteractionDelegate.swift
[5/30] Compiling PDFPreviewer PDFPreviewerModel+Navigation.swift
[6/30] Compiling PDFPreviewer PDFPreviewerModel+ScrollViewDelegate.swift
[7/30] Compiling PDFPreviewer PDFDocumentScrollView+ScrollDelegate.swift
[8/30] Compiling PDFPreviewer PDFDocumentScrollView.swift
[9/30] Compiling PDFPreviewer UIScrollView+Geometry.swift
[10/30] Compiling PDFPreviewer UIView+ResignKeyboard.swift
[11/30] Compiling PDFPreviewer AtomicValue.swift
[12/30] Compiling PDFPreviewer URL+path.swift
[13/30] Compiling PDFPreviewer CALayer.swift
[14/30] Compiling PDFPreviewer PDFPreviewerModel.swift
[15/30] Compiling PDFPreviewer ApproximateEquality.swift
[16/30] Compiling PDFPreviewer AsyncOperation.swift
[17/30] Compiling PDFPreviewer PDFDocumentScrollView+Delegate.swift
[18/30] Compiling PDFPreviewer PDFDocumentScrollView+MenuItem.swift
[19/30] Compiling PDFPreviewer Geometry.swift
[20/30] Compiling PDFPreviewer HoledView.swift
[21/30] Compiling PDFPreviewer UIMenu+Identifier+Cases.swift
[22/30] Compiling PDFPreviewer PDFPreviewer+ConstraintView.swift
[23/30] Compiling PDFPreviewer PDFPreviewer.swift
[24/30] Compiling PDFPreviewer PDFPreviewerModel+Border.swift
[25/30] Compiling PDFPreviewer PDFDocumentModel+ColorTheme.swift
[26/30] Compiling PDFPreviewer PDFDocumentModel+TrimLevel.swift
[27/30] Compiling PDFPreviewer PDFDocumentModel.swift
[28/30] Compiling PDFPreviewer PDFPageBounds.swift
[29/30] Compiling PDFPreviewer PDFPageMargin.swift
[30/30] Compiling PDFPreviewer PDFPageModel.swift
Build complete! (4.96s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PDFPreviewer",
  "name" : "PDFPreviewer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "PDFPreviewer",
      "targets" : [
        "PDFPreviewer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "PDFPreviewer",
      "module_type" : "SwiftTarget",
      "name" : "PDFPreviewer",
      "path" : "Sources/PDFPreviewer",
      "product_memberships" : [
        "PDFPreviewer"
      ],
      "sources" : [
        "Model/PDFDocumentModel+ColorTheme.swift",
        "Model/PDFDocumentModel+TrimLevel.swift",
        "Model/PDFDocumentModel.swift",
        "Model/PDFPageBounds.swift",
        "Model/PDFPageMargin.swift",
        "Model/PDFPageModel.swift",
        "SwiftUI/PDFPreviewer+ConstraintView.swift",
        "SwiftUI/PDFPreviewer.swift",
        "SwiftUI/PDFPreviewerModel+Border.swift",
        "SwiftUI/PDFPreviewerModel+InteractionDelegate.swift",
        "SwiftUI/PDFPreviewerModel+Navigation.swift",
        "SwiftUI/PDFPreviewerModel+ScrollViewDelegate.swift",
        "SwiftUI/PDFPreviewerModel.swift",
        "Utilities/Foundation/ApproximateEquality.swift",
        "Utilities/Foundation/AsyncOperation.swift",
        "Utilities/Foundation/AtomicValue.swift",
        "Utilities/Foundation/URL+path.swift",
        "Utilities/UIKit/CALayer.swift",
        "Utilities/UIKit/Geometry.swift",
        "Utilities/UIKit/HoledView.swift",
        "Utilities/UIKit/UIMenu+Identifier+Cases.swift",
        "Utilities/UIKit/UIScrollView+Geometry.swift",
        "Utilities/UIKit/UIView+ResignKeyboard.swift",
        "View/PDFDocumentScrollView+Delegate.swift",
        "View/PDFDocumentScrollView+MenuItem.swift",
        "View/PDFDocumentScrollView+ScrollDelegate.swift",
        "View/PDFDocumentScrollView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.