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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 EnvironmentOverrides, reference 0.0.4 (d0b763), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 19:41:55 UTC.

Swift 6 data race errors: 7

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nalexn/EnvironmentOverrides.git
Reference: 0.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nalexn/EnvironmentOverrides
 * tag               0.0.4      -> FETCH_HEAD
HEAD is now at d0b763a Merge branch '0.0.4'
Cloned https://github.com/nalexn/EnvironmentOverrides.git
Revision (git rev-parse @):
d0b763a678d254e51c74c48e83119bd063250ba3
SUCCESS checkout https://github.com/nalexn/EnvironmentOverrides.git at 0.0.4
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "environmentoverrides",
      "name": "EnvironmentOverrides",
      "url": "https://github.com/nalexn/EnvironmentOverrides.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/EnvironmentOverrides",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/nalexn/EnvironmentOverrides.git
[1/221] Fetching environmentoverrides
Fetched https://github.com/nalexn/EnvironmentOverrides.git from cache (0.67s)
Creating working copy for https://github.com/nalexn/EnvironmentOverrides.git
Working copy of https://github.com/nalexn/EnvironmentOverrides.git resolved at 0.0.4 (d0b763a)
warning: '.resolve-product-dependencies': dependency 'environmentoverrides' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/nalexn/EnvironmentOverrides.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/8] Compiling EnvironmentOverrides GeneralHelpers.swift
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:65:16: warning: static property 'supportedLocales' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 | extension EnvironmentValues {
 64 |
 65 |     static var supportedLocales: [Locale] = {
    |                |- warning: static property 'supportedLocales' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supportedLocales' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'supportedLocales' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |         let bundle = Bundle.main
 67 |         return bundle.localizations.map { Locale(identifier: $0) }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:10:13: warning: capture of 'toValue' with non-sendable type '(Value) -> T' in a `@Sendable` closure; this is an error in the Swift 6 language mode
  8 |                 fromValue: @escaping (T) -> Value) -> Binding<T> {
  9 |         return .init(get: {
 10 |             toValue(self.wrappedValue)
    |             |- warning: capture of 'toValue' with non-sendable type '(Value) -> T' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 11 |         }, set: { value in
 12 |             self.wrappedValue = fromValue(value)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:10:21: warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
  8 |                 fromValue: @escaping (T) -> Value) -> Binding<T> {
  9 |         return .init(get: {
 10 |             toValue(self.wrappedValue)
    |                     `- warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 11 |         }, set: { value in
 12 |             self.wrappedValue = fromValue(value)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:12:13: warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 10 |             toValue(self.wrappedValue)
 11 |         }, set: { value in
 12 |             self.wrappedValue = fromValue(value)
    |             `- warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 13 |         })
 14 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:12:33: warning: capture of 'fromValue' with non-sendable type '(T) -> Value' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 10 |             toValue(self.wrappedValue)
 11 |         }, set: { value in
 12 |             self.wrappedValue = fromValue(value)
    |                                 |- warning: capture of 'fromValue' with non-sendable type '(T) -> Value' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |                                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 13 |         })
 14 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:18:13: warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 16 |     func onChange(_ perform: @escaping (Value) -> Void) -> Binding<Value> {
 17 |         return .init(get: {
 18 |             self.wrappedValue
    |             `- warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 19 |         }, set: { value in
 20 |             self.wrappedValue = value
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:20:13: warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 18 |             self.wrappedValue
 19 |         }, set: { value in
 20 |             self.wrappedValue = value
    |             `- warning: capture of 'self' with non-sendable type 'Binding<Value>' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 21 |             perform(value)
 22 |         })
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:21:13: warning: capture of 'perform' with non-sendable type '(Value) -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 19 |         }, set: { value in
 20 |             self.wrappedValue = value
 21 |             perform(value)
    |             |- warning: capture of 'perform' with non-sendable type '(Value) -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |             `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 22 |         })
 23 |     }
[4/8] Compiling EnvironmentOverrides SettingsView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/SettingsElements.swift:81:20: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 79 | extension SettingsView {
 80 |     struct ControlWidth: PreferenceKey {
 81 |         static var defaultValue: CGFloat = 300
    |                    |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
 83 |             let next = nextValue()
[5/8] Compiling EnvironmentOverrides SettingsElements.swift
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/SettingsElements.swift:81:20: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 79 | extension SettingsView {
 80 |     struct ControlWidth: PreferenceKey {
 81 |         static var defaultValue: CGFloat = 300
    |                    |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
 83 |             let next = nextValue()
[6/8] Compiling EnvironmentOverrides EnvironmentOverridesView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:11:27: warning: static property 'locale' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
  9 |         }
 10 |
 11 |         public static let locale = Diff(rawValue: 1 << 0)
    |                           |- warning: static property 'locale' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'locale' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:12:27: warning: static property 'colorScheme' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 10 |
 11 |         public static let locale = Diff(rawValue: 1 << 0)
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
    |                           |- warning: static property 'colorScheme' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'colorScheme' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:13:27: warning: static property 'sizeCategory' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 11 |         public static let locale = Diff(rawValue: 1 << 0)
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
    |                           |- warning: static property 'sizeCategory' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'sizeCategory' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
 15 |         public static let accessibilityEnabled = Diff(rawValue: 1 << 4)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:14:27: warning: static property 'layoutDirection' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
    |                           |- warning: static property 'layoutDirection' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'layoutDirection' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 15 |         public static let accessibilityEnabled = Diff(rawValue: 1 << 4)
 16 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:15:27: warning: static property 'accessibilityEnabled' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
 15 |         public static let accessibilityEnabled = Diff(rawValue: 1 << 4)
    |                           |- warning: static property 'accessibilityEnabled' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'accessibilityEnabled' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 16 |     }
 17 | }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:65:16: warning: static property 'supportedLocales' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 | extension EnvironmentValues {
 64 |
 65 |     static var supportedLocales: [Locale] = {
    |                |- warning: static property 'supportedLocales' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supportedLocales' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'supportedLocales' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |         let bundle = Bundle.main
 67 |         return bundle.localizations.map { Locale(identifier: $0) }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:160:26: warning: capture of 'value' with non-sendable type 'Value' in a `@Sendable` closure; this is an error in the Swift 6 language mode
158 |     init(wrappedValue: Value) {
159 |         var value = wrappedValue
160 |         self.init(get: { value }, set: { value = $0 })
    |                          `- warning: capture of 'value' with non-sendable type 'Value' in a `@Sendable` closure; this is an error in the Swift 6 language mode
161 |     }
162 | }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:160:26: warning: reference to captured var 'value' in concurrently-executing code; this is an error in the Swift 6 language mode
158 |     init(wrappedValue: Value) {
159 |         var value = wrappedValue
160 |         self.init(get: { value }, set: { value = $0 })
    |                          `- warning: reference to captured var 'value' in concurrently-executing code; this is an error in the Swift 6 language mode
161 |     }
162 | }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:160:42: warning: capture of 'value' with non-sendable type 'Value' in a `@Sendable` closure; this is an error in the Swift 6 language mode
158 |     init(wrappedValue: Value) {
159 |         var value = wrappedValue
160 |         self.init(get: { value }, set: { value = $0 })
    |                                          `- warning: capture of 'value' with non-sendable type 'Value' in a `@Sendable` closure; this is an error in the Swift 6 language mode
161 |     }
162 | }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:160:42: warning: mutation of captured var 'value' in concurrently-executing code; this is an error in the Swift 6 language mode
158 |     init(wrappedValue: Value) {
159 |         var value = wrappedValue
160 |         self.init(get: { value }, set: { value = $0 })
    |                                          `- warning: mutation of captured var 'value' in concurrently-executing code; this is an error in the Swift 6 language mode
161 |     }
162 | }
[7/8] Compiling EnvironmentOverrides BaseView.swift
[8/8] Emitting module EnvironmentOverrides
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:11:27: warning: static property 'locale' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
  9 |         }
 10 |
 11 |         public static let locale = Diff(rawValue: 1 << 0)
    |                           |- warning: static property 'locale' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'locale' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:12:27: warning: static property 'colorScheme' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 10 |
 11 |         public static let locale = Diff(rawValue: 1 << 0)
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
    |                           |- warning: static property 'colorScheme' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'colorScheme' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:13:27: warning: static property 'sizeCategory' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 11 |         public static let locale = Diff(rawValue: 1 << 0)
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
    |                           |- warning: static property 'sizeCategory' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'sizeCategory' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
 15 |         public static let accessibilityEnabled = Diff(rawValue: 1 << 4)
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:14:27: warning: static property 'layoutDirection' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 12 |         public static let colorScheme = Diff(rawValue: 1 << 1)
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
    |                           |- warning: static property 'layoutDirection' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'layoutDirection' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 15 |         public static let accessibilityEnabled = Diff(rawValue: 1 << 4)
 16 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/EnvironmentOverridesView.swift:15:27: warning: static property 'accessibilityEnabled' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
  2 |
  3 | public extension EnvironmentValues {
  4 |     struct Diff: OptionSet {
    |            `- note: consider making struct 'Diff' conform to the 'Sendable' protocol
  5 |         public let rawValue: Int
  6 |
    :
 13 |         public static let sizeCategory = Diff(rawValue: 1 << 2)
 14 |         public static let layoutDirection = Diff(rawValue: 1 << 3)
 15 |         public static let accessibilityEnabled = Diff(rawValue: 1 << 4)
    |                           |- warning: static property 'accessibilityEnabled' is not concurrency-safe because non-'Sendable' type 'EnvironmentValues.Diff' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'accessibilityEnabled' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 16 |     }
 17 | }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/GeneralHelpers.swift:65:16: warning: static property 'supportedLocales' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 63 | extension EnvironmentValues {
 64 |
 65 |     static var supportedLocales: [Locale] = {
    |                |- warning: static property 'supportedLocales' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'supportedLocales' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'supportedLocales' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 66 |         let bundle = Bundle.main
 67 |         return bundle.localizations.map { Locale(identifier: $0) }
/Users/admin/builder/spi-builder-workspace/Sources/EnvironmentOverrides/SettingsElements.swift:81:20: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 79 | extension SettingsView {
 80 |     struct ControlWidth: PreferenceKey {
 81 |         static var defaultValue: CGFloat = 300
    |                    |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 82 |         static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
 83 |             let next = nextValue()
Build complete! (15.98s)
Build complete.
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  "dependencies" : [
  ],
  "manifest_display_name" : "EnvironmentOverrides",
  "name" : "EnvironmentOverrides",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
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  "products" : [
    {
      "name" : "EnvironmentOverrides",
      "targets" : [
        "EnvironmentOverrides"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EnvironmentOverrides",
      "module_type" : "SwiftTarget",
      "name" : "EnvironmentOverrides",
      "path" : "Sources/EnvironmentOverrides",
      "product_memberships" : [
        "EnvironmentOverrides"
      ],
      "sources" : [
        "BaseView.swift",
        "EnvironmentOverridesView.swift",
        "GeneralHelpers.swift",
        "SettingsElements.swift",
        "SettingsView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.