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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 Wave, reference main (27b7e1), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 21:33:40 UTC.

Swift 6 data race errors: 6

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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jtrivedi/Wave.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jtrivedi/Wave
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 27b7e1d Merge pull request #27 from jtrivedi/janum/immediate-model-updates
Cloned https://github.com/jtrivedi/Wave.git
Revision (git rev-parse @):
27b7e1d2d42b8a4f56d9e84213910b0441c8b810
SUCCESS checkout https://github.com/jtrivedi/Wave.git at main
========================================
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": "wave",
      "name": "Wave",
      "url": "https://github.com/jtrivedi/Wave.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Wave",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/jtrivedi/Wave.git
[9/872] Fetching wave
Fetched https://github.com/jtrivedi/Wave.git from cache (1.16s)
Creating working copy for https://github.com/jtrivedi/Wave.git
Working copy of https://github.com/jtrivedi/Wave.git resolved at main (27b7e1d)
warning: '.resolve-product-dependencies': dependency 'wave' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jtrivedi/Wave.git
https://github.com/jtrivedi/Wave.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Wave",
  "name" : "Wave",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.12"
    }
  ],
  "products" : [
    {
      "name" : "Wave",
      "targets" : [
        "Wave"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WaveTests",
      "module_type" : "SwiftTarget",
      "name" : "WaveTests",
      "path" : "Tests/WaveTests",
      "sources" : [
        "AnimatableCALayerPropertyTests.swift",
        "AnimatableUIViewPropertyTests.swift",
        "SpringTests.swift",
        "TestUtilities.swift"
      ],
      "target_dependencies" : [
        "Wave"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Wave",
      "module_type" : "SwiftTarget",
      "name" : "Wave",
      "path" : "Sources/Wave",
      "product_memberships" : [
        "Wave"
      ],
      "sources" : [
        "AnimatableCALayerProperties.swift",
        "AnimatableUIViewProperties.swift",
        "AnimationMode.swift",
        "AnimatorState.swift",
        "Extensions/CGFloat+Extensions.swift",
        "Extensions/CGPoint+Extensions.swift",
        "Extensions/CGRect+Extensions.swift",
        "Extensions/CGSize+Extensions.swift",
        "Extensions/Color+Extensions.swift",
        "Internal/AnimationController.swift",
        "Internal/AnimatorProviding.swift",
        "Internal/CALayer+LayerAnimator.swift",
        "Internal/DisplayLinkProviding.swift",
        "Internal/LayerAnimator+Implementation.swift",
        "Internal/SpringInterpolatable.swift",
        "Internal/UIView+ViewAnimator.swift",
        "Internal/ViewAnimator+Implementation.swift",
        "Spring.swift",
        "SpringAnimator.swift",
        "UIMathUtilities.swift",
        "Wave.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/22] Emitting module Wave
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/AnimationController.swift:22:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'AnimationController' may have shared mutable state; this is an error in the Swift 6 language mode
 18 | #endif
 19 |
 20 | internal class AnimationController {
    |                `- note: class 'AnimationController' does not conform to the 'Sendable' protocol
 21 |
 22 |     static let shared = AnimationController()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'AnimationController' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |
 24 |     private lazy var displayLinkProvider: DisplayLinkProvider = {
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/CALayer+LayerAnimator.swift:12:13: warning: var 'LayerAnimatorAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 | import QuartzCore
11 |
12 | private var LayerAnimatorAssociatedObjectHandle: UInt8 = 1 << 4
   |             |- warning: var 'LayerAnimatorAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'LayerAnimatorAssociatedObjectHandle' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var 'LayerAnimatorAssociatedObjectHandle' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 | private var LayerAnimationsAssociatedObjectHandle: UInt8 = 1 << 5
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/CALayer+LayerAnimator.swift:13:13: warning: var 'LayerAnimationsAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |
12 | private var LayerAnimatorAssociatedObjectHandle: UInt8 = 1 << 4
13 | private var LayerAnimationsAssociatedObjectHandle: UInt8 = 1 << 5
   |             |- warning: var 'LayerAnimationsAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'LayerAnimationsAssociatedObjectHandle' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var 'LayerAnimationsAssociatedObjectHandle' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 | extension CALayer {
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:114:23: warning: static property 'defaultInteractive' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
112 |
113 |     /// A reasonable, slightly underdamped spring to use for interactive animations (like dragging an item around).
114 |     static public let defaultInteractive = Spring(dampingRatio: 0.8, response: 0.20)
    |                       |- warning: static property 'defaultInteractive' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultInteractive' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |     /// A reasonable, critically damped spring to use for non-interactive animations.
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:117:23: warning: static property 'defaultAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
115 |
116 |     /// A reasonable, critically damped spring to use for non-interactive animations.
117 |     static public let defaultAnimated    = Spring(dampingRatio: 1.0, response: 0.82)
    |                       |- warning: static property 'defaultAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultAnimated' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
118 |
119 |     /// A placeholder spring to use when using the `nonAnimated` mode. See `AnimationMode` for more info.
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:120:23: warning: static property 'defaultNonAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
118 |
119 |     /// A placeholder spring to use when using the `nonAnimated` mode. See `AnimationMode` for more info.
120 |     static public let defaultNonAnimated = Spring(dampingRatio: 1.0, response: 0.0)
    |                       |- warning: static property 'defaultNonAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultNonAnimated' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |
122 |     // MARK: - Equatable
[4/24] Compiling Wave UIMathUtilities.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Wave.swift:61:31: warning: comparing non-optional value of type 'AnimationMode' to 'Optional.none' always returns false
59 |             let settings = AnimationController.AnimationParameters(
60 |                 groupUUID: UUID(),
61 |                 spring: (mode == .none) ? .defaultNonAnimated : spring,
   |                               `- warning: comparing non-optional value of type 'AnimationMode' to 'Optional.none' always returns false
62 |                 mode: (spring.response == 0) ? .nonAnimated : mode,
63 |                 delay: delay,
[5/24] Compiling Wave Wave.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Wave.swift:61:31: warning: comparing non-optional value of type 'AnimationMode' to 'Optional.none' always returns false
59 |             let settings = AnimationController.AnimationParameters(
60 |                 groupUUID: UUID(),
61 |                 spring: (mode == .none) ? .defaultNonAnimated : spring,
   |                               `- warning: comparing non-optional value of type 'AnimationMode' to 'Optional.none' always returns false
62 |                 mode: (spring.response == 0) ? .nonAnimated : mode,
63 |                 delay: delay,
[6/24] Compiling Wave AnimatableCALayerProperties.swift
[7/24] Compiling Wave AnimatableUIViewProperties.swift
[8/24] Compiling Wave AnimationMode.swift
[9/24] Compiling Wave LayerAnimator+Implementation.swift
[10/24] Compiling Wave SpringInterpolatable.swift
[11/24] Compiling Wave CGPoint+Extensions.swift
[12/24] Compiling Wave CGRect+Extensions.swift
[13/24] Compiling Wave AnimatorState.swift
[14/24] Compiling Wave CGFloat+Extensions.swift
[15/24] Compiling Wave CALayer+LayerAnimator.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/CALayer+LayerAnimator.swift:12:13: warning: var 'LayerAnimatorAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 | import QuartzCore
11 |
12 | private var LayerAnimatorAssociatedObjectHandle: UInt8 = 1 << 4
   |             |- warning: var 'LayerAnimatorAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'LayerAnimatorAssociatedObjectHandle' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var 'LayerAnimatorAssociatedObjectHandle' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 | private var LayerAnimationsAssociatedObjectHandle: UInt8 = 1 << 5
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/CALayer+LayerAnimator.swift:13:13: warning: var 'LayerAnimationsAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |
12 | private var LayerAnimatorAssociatedObjectHandle: UInt8 = 1 << 4
13 | private var LayerAnimationsAssociatedObjectHandle: UInt8 = 1 << 5
   |             |- warning: var 'LayerAnimationsAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'LayerAnimationsAssociatedObjectHandle' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var 'LayerAnimationsAssociatedObjectHandle' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 | extension CALayer {
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/DisplayLinkProviding.swift:78:17: warning: capture of 'self' with non-sendable type 'CVDisplayLinkProvider?' in a '@Sendable' closure
 61 | import CoreVideo
 62 |
 63 | class CVDisplayLinkProvider: DisplayLinkProviding {
    |       `- note: class 'CVDisplayLinkProvider' does not conform to the 'Sendable' protocol
 64 |
 65 |     let frameCallback: DisplayLinkCallback
    :
 76 |             CVDisplayLinkSetOutputHandler(displayLinkProvider, { [weak self] (_, inNow, inOutputTime, _, _) -> CVReturn in
 77 |                 let dt = inOutputTime.pointee.timeInterval - inNow.pointee.timeInterval
 78 |                 self?.frameCallback(dt)
    |                 `- warning: capture of 'self' with non-sendable type 'CVDisplayLinkProvider?' in a '@Sendable' closure
 79 |                 return kCVReturnSuccess
 80 |             })
[16/24] Compiling Wave DisplayLinkProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/CALayer+LayerAnimator.swift:12:13: warning: var 'LayerAnimatorAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
10 | import QuartzCore
11 |
12 | private var LayerAnimatorAssociatedObjectHandle: UInt8 = 1 << 4
   |             |- warning: var 'LayerAnimatorAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'LayerAnimatorAssociatedObjectHandle' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var 'LayerAnimatorAssociatedObjectHandle' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 | private var LayerAnimationsAssociatedObjectHandle: UInt8 = 1 << 5
14 |
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/CALayer+LayerAnimator.swift:13:13: warning: var 'LayerAnimationsAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 |
12 | private var LayerAnimatorAssociatedObjectHandle: UInt8 = 1 << 4
13 | private var LayerAnimationsAssociatedObjectHandle: UInt8 = 1 << 5
   |             |- warning: var 'LayerAnimationsAssociatedObjectHandle' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'LayerAnimationsAssociatedObjectHandle' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var 'LayerAnimationsAssociatedObjectHandle' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
14 |
15 | extension CALayer {
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/DisplayLinkProviding.swift:78:17: warning: capture of 'self' with non-sendable type 'CVDisplayLinkProvider?' in a '@Sendable' closure
 61 | import CoreVideo
 62 |
 63 | class CVDisplayLinkProvider: DisplayLinkProviding {
    |       `- note: class 'CVDisplayLinkProvider' does not conform to the 'Sendable' protocol
 64 |
 65 |     let frameCallback: DisplayLinkCallback
    :
 76 |             CVDisplayLinkSetOutputHandler(displayLinkProvider, { [weak self] (_, inNow, inOutputTime, _, _) -> CVReturn in
 77 |                 let dt = inOutputTime.pointee.timeInterval - inNow.pointee.timeInterval
 78 |                 self?.frameCallback(dt)
    |                 `- warning: capture of 'self' with non-sendable type 'CVDisplayLinkProvider?' in a '@Sendable' closure
 79 |                 return kCVReturnSuccess
 80 |             })
[17/24] Compiling Wave CGSize+Extensions.swift
[18/24] Compiling Wave Color+Extensions.swift
[19/24] Compiling Wave Spring.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:114:23: warning: static property 'defaultInteractive' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
112 |
113 |     /// A reasonable, slightly underdamped spring to use for interactive animations (like dragging an item around).
114 |     static public let defaultInteractive = Spring(dampingRatio: 0.8, response: 0.20)
    |                       |- warning: static property 'defaultInteractive' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultInteractive' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |     /// A reasonable, critically damped spring to use for non-interactive animations.
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:117:23: warning: static property 'defaultAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
115 |
116 |     /// A reasonable, critically damped spring to use for non-interactive animations.
117 |     static public let defaultAnimated    = Spring(dampingRatio: 1.0, response: 0.82)
    |                       |- warning: static property 'defaultAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultAnimated' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
118 |
119 |     /// A placeholder spring to use when using the `nonAnimated` mode. See `AnimationMode` for more info.
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:120:23: warning: static property 'defaultNonAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
118 |
119 |     /// A placeholder spring to use when using the `nonAnimated` mode. See `AnimationMode` for more info.
120 |     static public let defaultNonAnimated = Spring(dampingRatio: 1.0, response: 0.0)
    |                       |- warning: static property 'defaultNonAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultNonAnimated' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |
122 |     // MARK: - Equatable
/Users/admin/builder/spi-builder-workspace/Sources/Wave/SpringAnimator.swift:154:17: warning: sending 'start' risks causing data races; this is an error in the Swift 6 language mode
152 |         } else {
153 |             DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
154 |                 start()
    |                 |- warning: sending 'start' risks causing data races; this is an error in the Swift 6 language mode
    |                 `- note: task-isolated 'start' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
155 |             }
156 |         }
[20/24] Compiling Wave SpringAnimator.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:114:23: warning: static property 'defaultInteractive' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
112 |
113 |     /// A reasonable, slightly underdamped spring to use for interactive animations (like dragging an item around).
114 |     static public let defaultInteractive = Spring(dampingRatio: 0.8, response: 0.20)
    |                       |- warning: static property 'defaultInteractive' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultInteractive' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
115 |
116 |     /// A reasonable, critically damped spring to use for non-interactive animations.
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:117:23: warning: static property 'defaultAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
115 |
116 |     /// A reasonable, critically damped spring to use for non-interactive animations.
117 |     static public let defaultAnimated    = Spring(dampingRatio: 1.0, response: 0.82)
    |                       |- warning: static property 'defaultAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultAnimated' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
118 |
119 |     /// A placeholder spring to use when using the `nonAnimated` mode. See `AnimationMode` for more info.
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Spring.swift:120:23: warning: static property 'defaultNonAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |  Springs are created by providing a `dampingRatio` greater than zero, and _either_ a `response` or `stiffness` value. See the initializers ``init(dampingRatio:response:mass:)`` and ``init(dampingRatio:stiffness:mass:)`` for usage information.
 15 |  */
 16 | public class Spring: Equatable {
    |              `- note: class 'Spring' does not conform to the 'Sendable' protocol
 17 |
 18 |     // MARK: - Spring Properties
    :
118 |
119 |     /// A placeholder spring to use when using the `nonAnimated` mode. See `AnimationMode` for more info.
120 |     static public let defaultNonAnimated = Spring(dampingRatio: 1.0, response: 0.0)
    |                       |- warning: static property 'defaultNonAnimated' is not concurrency-safe because non-'Sendable' type 'Spring' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'defaultNonAnimated' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
121 |
122 |     // MARK: - Equatable
/Users/admin/builder/spi-builder-workspace/Sources/Wave/SpringAnimator.swift:154:17: warning: sending 'start' risks causing data races; this is an error in the Swift 6 language mode
152 |         } else {
153 |             DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
154 |                 start()
    |                 |- warning: sending 'start' risks causing data races; this is an error in the Swift 6 language mode
    |                 `- note: task-isolated 'start' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
155 |             }
156 |         }
[21/24] Compiling Wave UIView+ViewAnimator.swift
[22/24] Compiling Wave ViewAnimator+Implementation.swift
[23/24] Compiling Wave AnimationController.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/AnimationController.swift:22:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'AnimationController' may have shared mutable state; this is an error in the Swift 6 language mode
 18 | #endif
 19 |
 20 | internal class AnimationController {
    |                `- note: class 'AnimationController' does not conform to the 'Sendable' protocol
 21 |
 22 |     static let shared = AnimationController()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'AnimationController' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |
 24 |     private lazy var displayLinkProvider: DisplayLinkProvider = {
[24/24] Compiling Wave AnimatorProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/Wave/Internal/AnimationController.swift:22:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'AnimationController' may have shared mutable state; this is an error in the Swift 6 language mode
 18 | #endif
 19 |
 20 | internal class AnimationController {
    |                `- note: class 'AnimationController' does not conform to the 'Sendable' protocol
 21 |
 22 |     static let shared = AnimationController()
    |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'AnimationController' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 23 |
 24 |     private lazy var displayLinkProvider: DisplayLinkProvider = {
Build complete! (7.10s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Wave",
  "name" : "Wave",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.12"
    }
  ],
  "products" : [
    {
      "name" : "Wave",
      "targets" : [
        "Wave"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WaveTests",
      "module_type" : "SwiftTarget",
      "name" : "WaveTests",
      "path" : "Tests/WaveTests",
      "sources" : [
        "AnimatableCALayerPropertyTests.swift",
        "AnimatableUIViewPropertyTests.swift",
        "SpringTests.swift",
        "TestUtilities.swift"
      ],
      "target_dependencies" : [
        "Wave"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Wave",
      "module_type" : "SwiftTarget",
      "name" : "Wave",
      "path" : "Sources/Wave",
      "product_memberships" : [
        "Wave"
      ],
      "sources" : [
        "AnimatableCALayerProperties.swift",
        "AnimatableUIViewProperties.swift",
        "AnimationMode.swift",
        "AnimatorState.swift",
        "Extensions/CGFloat+Extensions.swift",
        "Extensions/CGPoint+Extensions.swift",
        "Extensions/CGRect+Extensions.swift",
        "Extensions/CGSize+Extensions.swift",
        "Extensions/Color+Extensions.swift",
        "Internal/AnimationController.swift",
        "Internal/AnimatorProviding.swift",
        "Internal/CALayer+LayerAnimator.swift",
        "Internal/DisplayLinkProviding.swift",
        "Internal/LayerAnimator+Implementation.swift",
        "Internal/SpringInterpolatable.swift",
        "Internal/UIView+ViewAnimator.swift",
        "Internal/ViewAnimator+Implementation.swift",
        "Spring.swift",
        "SpringAnimator.swift",
        "UIMathUtilities.swift",
        "Wave.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.