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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

Failed to build AnimationStack with Swift 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.27.1
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/FlorianHubl/AnimationStack.git
Reference: main
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/FlorianHubl/AnimationStack
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 096fd21 updated
Cloned https://github.com/FlorianHubl/AnimationStack.git
Revision (git rev-parse @):
096fd211323e9231b713b0dd2144cb542f16eb13
SUCCESS checkout https://github.com/FlorianHubl/AnimationStack.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "animationstack",
      "name": "AnimationStack",
      "url": "https://github.com/FlorianHubl/AnimationStack.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/AnimationStack",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/FlorianHubl/AnimationStack.git from cache
Fetched https://github.com/FlorianHubl/AnimationStack.git (0.24s)
Creating working copy for https://github.com/FlorianHubl/AnimationStack.git
Working copy of https://github.com/FlorianHubl/AnimationStack.git resolved at main
warning: '.resolve-product-dependencies': dependency 'animationstack' is not used by any target
Found 0 product dependencies
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64
Building for debugging...
[1/4] Compiling AnimationStack TupleViewExtention.swift
[2/4] Compiling AnimationStack AnimationStack.swift
[3/4] Emitting module AnimationStack
[4/4] Compiling AnimationStack ForEachAnimation.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:76:14: error: 'onChange(of:initial:_:)' is only available in macOS 14.0 or newer
            .onChange(of: data) { oldValue, newValue in
             ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:76:14: note: add 'if #available' version check
            .onChange(of: data) { oldValue, newValue in
             ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:62:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
error: fatalError
[0/1] Planning build
Building for debugging...
[1/2] Emitting module AnimationStack
[2/2] Compiling AnimationStack ForEachAnimation.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:76:14: error: 'onChange(of:initial:_:)' is only available in macOS 14.0 or newer
            .onChange(of: data) { oldValue, newValue in
             ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:76:14: note: add 'if #available' version check
            .onChange(of: data) { oldValue, newValue in
             ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:62:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
error: fatalError
BUILD FAILURE 5.9 macosSpm