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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 SpotifyiOS, reference master (af71ec), with Swift 6.1 for iOS using Xcode 16.3 on 29 Apr 2025 20:23:43 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SpotifyiOS -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/spotify/ios-sdk.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/spotify/ios-sdk
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at af71ec0 Merge pull request #442 from jalopezcar/release_v3.0.0
Cloned https://github.com/spotify/ios-sdk.git
Revision (git rev-parse @):
af71ec0bcf3baa7ec88c72119b7fdf65eb91fd67
SUCCESS checkout https://github.com/spotify/ios-sdk.git at master
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/spotify/ios-sdk.git
https://github.com/spotify/ios-sdk.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SpotifyiOS",
  "name" : "SpotifyiOS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SpotifyiOS",
      "targets" : [
        "SpotifyiOS"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SpotifyiOS",
      "module_type" : "BinaryTarget",
      "name" : "SpotifyiOS",
      "path" : "SpotifyiOS.xcframework",
      "product_memberships" : [
        "SpotifyiOS"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.5"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  SpotifyiOS: /Users/admin/builder/spi-builder-workspace
resolved source packages: SpotifyiOS
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SpotifyiOS",
  "name" : "SpotifyiOS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SpotifyiOS",
      "targets" : [
        "SpotifyiOS"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SpotifyiOS",
      "module_type" : "BinaryTarget",
      "name" : "SpotifyiOS",
      "path" : "SpotifyiOS.xcframework",
      "product_memberships" : [
        "SpotifyiOS"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SpotifyiOS"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SpotifyiOS -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme SpotifyiOS -destination generic/platform=iOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  SpotifyiOS: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'SpotifyiOS' in project 'SpotifyiOS' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
Build description signature: b2d7cd26a2ad5fdeb99fecf6226b70fa
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b2d7cd26a2ad5fdeb99fecf6226b70fa.xcbuilddata
ProcessXCFramework /Users/admin/builder/spi-builder-workspace/SpotifyiOS.xcframework /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/SpotifyiOS.framework ios
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-process-xcframework --xcframework /Users/admin/builder/spi-builder-workspace/SpotifyiOS.xcframework --platform ios --target-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
/Users/admin/builder/spi-builder-workspace/SpotifyiOS.xcframework:1:1: note: The identity of “SpotifyiOS.xcframework” is not recorded in your project.
** BUILD SUCCEEDED **
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SpotifyiOS",
  "name" : "SpotifyiOS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SpotifyiOS",
      "targets" : [
        "SpotifyiOS"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SpotifyiOS",
      "module_type" : "BinaryTarget",
      "name" : "SpotifyiOS",
      "path" : "SpotifyiOS.xcframework",
      "product_memberships" : [
        "SpotifyiOS"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.5"
}
Done.