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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 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FlorianHubl/AnimationStack.git
Reference: main
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/1/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
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/FlorianHubl/AnimationStack.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--423B1241ED78D482.txt
[3/6] Compiling AnimationStack TupleViewExtention.swift
[4/6] Compiling AnimationStack AnimationStack.swift
[5/6] Emitting module AnimationStack
[6/6] Compiling AnimationStack ForEachAnimation.swift
/Users/builder/builds/UKfvDsi8u/1/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/UKfvDsi8u/1/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/UKfvDsi8u/1/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...
[0/1] Write swift-version--423B1241ED78D482.txt
[2/3] Compiling AnimationStack ForEachAnimation.swift
/Users/builder/builds/UKfvDsi8u/1/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/UKfvDsi8u/1/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/UKfvDsi8u/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/AnimationStack/ForEachAnimation.swift:62:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
[3/3] Emitting module AnimationStack
error: fatalError
BUILD FAILURE 5.10 macosSpm