Epoxy – Build Information – Swift Package Index

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 Epoxy, reference master (1f9b20), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 15:48:43 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/airbnb/epoxy-ios.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/airbnb/epoxy-ios
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1f9b206 usesSafeAreaLayoutGuideLeadingTrailing (#174)
Cloned https://github.com/airbnb/epoxy-ios.git
Revision (git rev-parse @):
1f9b206bffd75081db404de4ac4de9edf49e7518
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/airbnb/epoxy-ios.git at master
Fetching https://github.com/Quick/Quick.git
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
Fetching https://github.com/mattgallagher/CwlCatchException.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/airbnb/swift
Fetching https://github.com/apple/swift-argument-parser from cache
[1/455] Fetching cwlcatchexception
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[2166/20543] Fetching cwlcatchexception, swift, cwlpreconditiontesting, quick
[4379/40110] Fetching cwlcatchexception, swift, cwlpreconditiontesting, quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (1.37s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (1.37s)
[4724/24098] Fetching cwlcatchexception, swift, nimble
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (2.07s)
Fetched https://github.com/Quick/Nimble.git from cache (2.07s)
Fetched https://github.com/airbnb/swift from cache (2.07s)
Computing version for https://github.com/airbnb/swift
Fetched https://github.com/apple/swift-argument-parser from cache (2.07s)
Computed https://github.com/airbnb/swift at 1.0.3 (2.68s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 9.2.1 (0.59s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 4.0.0 (0.58s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.2.0 (0.59s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.1.0 (0.56s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.1.1 (0.58s)
Creating working copy for https://github.com/airbnb/swift
Working copy of https://github.com/airbnb/swift resolved at 1.0.3
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.1.1
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 9.2.1
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 4.0.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.2.0
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.1.0
Downloading binary artifact https://github.com/calda/SwiftFormat/releases/download/0.51-beta-6/SwiftFormat.artifactbundle.zip
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.48.0/SwiftLintBinary-macos.artifactbundle.zip
[16375/1928976] Downloading https://github.com/calda/SwiftFormat/releases/download/0.51-beta-6/SwiftFormat.artifactbundle.zip
[1981895/23623156] Downloading https://github.com/calda/SwiftFormat/releases/download/0.51-beta-6/SwiftFormat.artifactbundle.zip, https://github.com/realm/SwiftLint/releases/download/0.48.0/SwiftLintBinary-macos.artifactbundle.zip
Downloaded https://github.com/calda/SwiftFormat/releases/download/0.51-beta-6/SwiftFormat.artifactbundle.zip (1.17s)
Downloaded https://github.com/realm/SwiftLint/releases/download/0.48.0/SwiftLintBinary-macos.artifactbundle.zip (1.99s)
========================================
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": "epoxy-ios",
      "name": "Epoxy",
      "url": "https://github.com/airbnb/epoxy-ios.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/epoxy-ios",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/airbnb/epoxy-ios.git
[1/8328] Fetching epoxy-ios
Fetched https://github.com/airbnb/epoxy-ios.git from cache (1.17s)
Creating working copy for https://github.com/airbnb/epoxy-ios.git
Working copy of https://github.com/airbnb/epoxy-ios.git resolved at master (1f9b206)
warning: '.resolve-product-dependencies': dependency 'epoxy-ios' 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/airbnb/epoxy-ios.git
https://github.com/airbnb/epoxy-ios.git
{
  "dependencies" : [
    {
      "identity" : "quick",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Quick.git"
    },
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "9.0.0",
            "upper_bound" : "10.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble.git"
    },
    {
      "identity" : "swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/airbnb/swift"
    }
  ],
  "manifest_display_name" : "Epoxy",
  "name" : "Epoxy",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Epoxy",
      "targets" : [
        "Epoxy"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EpoxyCore",
      "targets" : [
        "EpoxyCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EpoxyCollectionView",
      "targets" : [
        "EpoxyCollectionView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EpoxyBars",
      "targets" : [
        "EpoxyBars"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EpoxyNavigationController",
      "targets" : [
        "EpoxyNavigationController"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EpoxyPresentations",
      "targets" : [
        "EpoxyPresentations"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "EpoxyLayoutGroups",
      "targets" : [
        "EpoxyLayoutGroups"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PerformanceTests",
      "module_type" : "SwiftTarget",
      "name" : "PerformanceTests",
      "path" : "Tests/PerformanceTests",
      "sources" : [
        "CollectionDiffPerformanceTestCase.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "EpoxyTests",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyTests",
      "path" : "Tests/EpoxyTests",
      "product_dependencies" : [
        "Quick",
        "Nimble"
      ],
      "sources" : [
        "BarsTests/BarStackViewSpec.swift",
        "BarsTests/BaseBarInstallerSpec.swift",
        "BarsTests/BottomBarInstallerSpec.swift",
        "BarsTests/SafeAreaWindow.swift",
        "BarsTests/StaticHeightBar.swift",
        "BarsTests/TopBarInstallerSpec.swift",
        "CollectionViewTests/CollectionViewSpec.swift",
        "CollectionViewTests/FlowLayoutTests.swift",
        "CollectionViewTests/ProxyDelegate.swift",
        "CollectionViewTests/ReuseIDStoreTests.swift",
        "CoreTests/CollectionDiffSpec.swift",
        "CoreTests/EpoxyModelBuilderArraySpec.swift",
        "CoreTests/EpoxyModeledSpec.swift",
        "LayoutGroupsTests/ConstrainableContainerSpec.swift",
        "LayoutGroupsTests/GroupItemSpec.swift",
        "LayoutGroupsTests/GroupPerformanceTests.swift",
        "LayoutGroupsTests/HGroupItemSpec.swift",
        "LayoutGroupsTests/HGroupSpec.swift",
        "LayoutGroupsTests/TestHelpers.swift",
        "LayoutGroupsTests/VGroupItemSpec.swift",
        "LayoutGroupsTests/VGroupSpec.swift",
        "NavigationControllerTests/NavigationQueueSpec.swift",
        "NavigationControllerTests/StubTransitionCoordinator.swift",
        "PresentationsTests/PresentationModelBuilderSpec.swift",
        "PresentationsTests/PresentationQueueSpec.swift"
      ],
      "target_dependencies" : [
        "Epoxy"
      ],
      "type" : "test"
    },
    {
      "c99name" : "EpoxyPresentations",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyPresentations",
      "path" : "Sources/EpoxyPresentations",
      "product_memberships" : [
        "Epoxy",
        "EpoxyPresentations"
      ],
      "sources" : [
        "PresentationModel.swift",
        "PresentationModelBuilder.swift",
        "PresentationModelProviding.swift",
        "PresentationQueue.swift",
        "UIViewController+PresentationModel.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "EpoxyNavigationController",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyNavigationController",
      "path" : "Sources/EpoxyNavigationController",
      "product_memberships" : [
        "Epoxy",
        "EpoxyNavigationController"
      ],
      "sources" : [
        "NavigationController.swift",
        "NavigationModel.swift",
        "NavigationModelBuilder.swift",
        "NavigationQueue.swift",
        "StackProviding.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "EpoxyLayoutGroups",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyLayoutGroups",
      "path" : "Sources/EpoxyLayoutGroups",
      "product_memberships" : [
        "Epoxy",
        "EpoxyLayoutGroups"
      ],
      "sources" : [
        "Constrainable/AnchoringContainer.swift",
        "Constrainable/Constrainable.swift",
        "Constrainable/ConstrainableContainer.swift",
        "Constraints/GroupConstraints.swift",
        "Constraints/HGroupConstraints.swift",
        "Constraints/VGroupConstraints.swift",
        "Extensions/EpoxyableView+GroupItem.swift",
        "Extensions/NSLayoutConstraint+Optional.swift",
        "Groups/Group.swift",
        "Groups/HGroup.swift",
        "Groups/HGroupItemAlignment.swift",
        "Groups/LayoutSpacer.swift",
        "Groups/VGroup.swift",
        "Groups/VGroupItemAlignment.swift",
        "Models/AnyGroupItem.swift",
        "Models/GroupItem.swift",
        "Models/GroupItemModeling.swift",
        "Models/GroupModelBuilder.swift",
        "Models/HGroupItem.swift",
        "Models/InternalGroupItemModeling.swift",
        "Models/SpacerItem.swift",
        "Models/StaticGroupItem.swift",
        "Models/VGroupItem.swift",
        "Providers/AccessibilityAlignmentProviding.swift",
        "Providers/GroupItemsProviding.swift",
        "Providers/HorizontalAlignmentProviding.swift",
        "Providers/MakeConstrainableProviding.swift",
        "Providers/PaddingProviding.swift",
        "Providers/ReflowsForAccessibilityTypeSizeProviding.swift",
        "Providers/VerticalAlignmentProviding.swift",
        "Types/GroupEdgeInsets.swift",
        "Types/LayoutGroupUpdateAnimation.swift",
        "Views/HGroupView.swift",
        "Views/VGroupView.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "EpoxyCore",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyCore",
      "path" : "Sources/EpoxyCore",
      "product_memberships" : [
        "Epoxy",
        "EpoxyCore",
        "EpoxyCollectionView",
        "EpoxyBars",
        "EpoxyNavigationController",
        "EpoxyPresentations",
        "EpoxyLayoutGroups"
      ],
      "sources" : [
        "Diffing/Collection+Diff.swift",
        "Diffing/Diffable.swift",
        "Diffing/DiffableSection.swift",
        "Diffing/IndexChangeset.swift",
        "Diffing/SectionedChangeset.swift",
        "Logging/EpoxyLogger.swift",
        "Model/CallbackContextEpoxyModeled.swift",
        "Model/EpoxyModelArrayBuilder.swift",
        "Model/EpoxyModelProperty.swift",
        "Model/EpoxyModelStorage.swift",
        "Model/EpoxyModeled.swift",
        "Model/Internal/AnyEpoxyModelProperty.swift",
        "Model/Internal/ClassReference.swift",
        "Model/Providers/AnimatedProviding.swift",
        "Model/Providers/DataIDProviding.swift",
        "Model/Providers/DidDisplayProviding.swift",
        "Model/Providers/DidEndDisplayingProviding.swift",
        "Model/Providers/DidSelectProviding.swift",
        "Model/Providers/ErasedContentProviding.swift",
        "Model/Providers/MakeViewProviding.swift",
        "Model/Providers/SetBehaviorsProviding.swift",
        "Model/Providers/SetContentProviding.swift",
        "Model/Providers/StyleIDProviding.swift",
        "Model/Providers/TraitCollectionProviding.swift",
        "Model/Providers/ViewDifferentiatorProviding.swift",
        "Model/Providers/ViewProviding.swift",
        "Model/Providers/WillDisplayProviding.swift",
        "Model/ViewEpoxyModeled.swift",
        "SwiftUI/EpoxySwiftUIHostingController.swift",
        "SwiftUI/EpoxySwiftUIHostingView.swift",
        "SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift",
        "SwiftUI/EpoxySwiftUILayoutMargins.swift",
        "SwiftUI/EpoxyableView+SwiftUIView.swift",
        "SwiftUI/LayoutUtilities/MeasuringViewRepresentable.swift",
        "SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift",
        "SwiftUI/SwiftUIView.swift",
        "SwiftUI/UIView+SwiftUIView.swift",
        "SwiftUI/UIViewConfiguringSwiftUIView.swift",
        "Views/BehaviorsConfigurableView.swift",
        "Views/ContentConfigurableView.swift",
        "Views/EpoxyableView.swift",
        "Views/StyledView.swift",
        "Views/ViewType.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "EpoxyCollectionView",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyCollectionView",
      "path" : "Sources/EpoxyCollectionView",
      "product_memberships" : [
        "Epoxy",
        "EpoxyCollectionView"
      ],
      "sources" : [
        "CollectionView/CollectionView.swift",
        "CollectionView/CollectionViewConfiguration.swift",
        "CollectionView/CollectionViewVisibilityMetadata.swift",
        "CollectionView/Delegates/CollectionViewAccessibilityDelegate.swift",
        "CollectionView/Delegates/CollectionViewDisplayDelegate.swift",
        "CollectionView/Delegates/CollectionViewPrefetchingDelegate.swift",
        "CollectionView/Delegates/CollectionViewReorderingDelegate.swift",
        "CollectionView/Delegates/CollectionViewTransitionLayoutDelegate.swift",
        "CollectionView/Internal/CollectionViewChangeset.swift",
        "CollectionView/Internal/CollectionViewData.swift",
        "CollectionView/Internal/CollectionViewDataSource.swift",
        "CollectionView/Internal/CollectionViewDataSourceReorderingDelegate.swift",
        "CollectionView/Internal/CollectionViewScrollToItemHelper.swift",
        "CollectionView/Internal/ReuseIDStore.swift",
        "CollectionView/ItemPath.swift",
        "CollectionView/ItemSectionPath.swift",
        "CollectionView/ReusableViews/CollectionViewCell.swift",
        "CollectionView/ReusableViews/CollectionViewReusableView.swift",
        "CollectionView/ReusableViews/FittingPrioritiesProvidingLayoutAttributes.swift",
        "CollectionView/ReusableViews/ItemCellView.swift",
        "CollectionView/ReusableViews/ItemSelectionStyle.swift",
        "CollectionView/SupplementaryItemPath.swift",
        "Layouts/CompositionalLayout/SectionModel+CompositionalLayout.swift",
        "Layouts/CompositionalLayout/UICollectionViewCompositionalLayout+Epoxy.swift",
        "Layouts/FlowLayout/CollectionView+UICollectionViewFlowLayoutDelegate.swift",
        "Layouts/FlowLayout/EpoxyModeled+UICollectionViewFlowLayout.swift",
        "Models/ItemModel/AnyItemModel.swift",
        "Models/ItemModel/EpoxyableView+ItemModel.swift",
        "Models/ItemModel/ItemCellMetadata.swift",
        "Models/ItemModel/ItemCellState.swift",
        "Models/ItemModel/ItemModel.swift",
        "Models/ItemModel/ItemModelBuilder.swift",
        "Models/ItemModel/ItemModeling.swift",
        "Models/ItemModel/SwiftUI.View+ItemModel.swift",
        "Models/Providers/DidChangeStateProviding.swift",
        "Models/Providers/IsMoveableProviding.swift",
        "Models/Providers/ItemsProviding.swift",
        "Models/Providers/SelectionStyleProviding.swift",
        "Models/Providers/SupplementaryItemsProviding.swift",
        "Models/SectionModel/SectionModel+ReuseIDs.swift",
        "Models/SectionModel/SectionModel.swift",
        "Models/SectionModel/SectionModelBuilder.swift",
        "Models/SupplementaryItemModel/AnySupplementaryItemModel.swift",
        "Models/SupplementaryItemModel/EpoxyableView+SupplementaryItemModel.swift",
        "Models/SupplementaryItemModel/SupplementaryItemModel.swift",
        "Models/SupplementaryItemModel/SupplementaryItemModeling.swift",
        "Models/SupplementaryItemModel/SwiftUI.View+SupplementaryItemModel.swift",
        "ViewControllers/CollectionViewController.swift",
        "Views/AccessibilityCustomizedView.swift",
        "Views/DisplayRespondingView.swift",
        "Views/EphemeralCachedStateView.swift",
        "Views/HighlightableView.swift",
        "Views/SelectableView.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "EpoxyBars",
      "module_type" : "SwiftTarget",
      "name" : "EpoxyBars",
      "path" : "Sources/EpoxyBars",
      "product_memberships" : [
        "Epoxy",
        "EpoxyBars"
      ],
      "sources" : [
        "BarCoordinator/BarCoordinating.swift",
        "BarCoordinator/BarCoordinatorProperty.swift",
        "BarCoordinator/CoordinatedBarModel.swift",
        "BarInstaller/BarContainer.swift",
        "BarInstaller/BarInstaller.swift",
        "BarInstaller/BarInstallerConfiguration.swift",
        "BarInstaller/BarStackView.swift",
        "BarInstaller/BarWrapperView.swift",
        "BarInstaller/UIScrollView+ContentOffset.swift",
        "BarInstaller/UIView+HasHierarchyScaleTransform.swift",
        "BarInstaller/UIViewController+OriginalSafeAreaInsets.swift",
        "BarModel/AnyBarModel.swift",
        "BarModel/BarModel.swift",
        "BarModel/BarModelBuilder.swift",
        "BarModel/BarModeling.swift",
        "BarModel/EpoxyableView+BarModel.swift",
        "BarModel/InternalBarModeling.swift",
        "BarModel/SwiftUI.View+BarModel.swift",
        "BarView/HeightInvalidatingBarView.swift",
        "BarView/SafeAreaLayoutMarginsBarView.swift",
        "BottomBarInstaller/BottomBarContainer.swift",
        "BottomBarInstaller/BottomBarInstaller.swift",
        "BottomBarInstaller/BottomBarsProviding.swift",
        "Keyboard/InputAccessoryBarStackView.swift",
        "Keyboard/KeyboardPositionWatcher.swift",
        "TopBarInstaller/TopBarContainer.swift",
        "TopBarInstaller/TopBarInstaller.swift",
        "TopBarInstaller/TopBarsProviding.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Epoxy",
      "module_type" : "SwiftTarget",
      "name" : "Epoxy",
      "path" : "Sources/Epoxy",
      "product_memberships" : [
        "Epoxy"
      ],
      "sources" : [
        "Exports.swift"
      ],
      "target_dependencies" : [
        "EpoxyCore",
        "EpoxyCollectionView",
        "EpoxyBars",
        "EpoxyNavigationController",
        "EpoxyPresentations",
        "EpoxyLayoutGroups"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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
[1/1] Compiling plugin FormatSwift
[2/2] Compiling plugin Generate Manual
Building for debugging...
[2/10] Write sources
[9/10] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/50] Emitting module EpoxyCore
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Logging/EpoxyLogger.swift:63:21: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |   ///
 62 |   /// Set this to a new logger instance to intercept assertions and warnings logged by Epoxy.
 63 |   public static var shared = EpoxyLogger()
    |                     |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- 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
 64 |
 65 |   /// Logs that an assertion occurred.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:42:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
19 | /// }
20 | /// ```
21 | public struct EpoxyIntrinsicContentSizeInvalidator {
   |               `- note: consider making struct 'EpoxyIntrinsicContentSizeInvalidator' conform to the 'Sendable' protocol
22 |   let invalidate: () -> Void
23 |
   :
40 |
41 | private struct EpoxyIntrinsicContentSizeInvalidatorKey: EnvironmentKey {
42 |   static let defaultValue = EpoxyIntrinsicContentSizeInvalidator(invalidate: { })
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | }
44 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[12/54] Compiling EpoxyCore MakeViewProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Model/Providers/MakeViewProviding.swift:57:21: warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
55 |     .init(
56 |       keyPath: \Self.makeView,
57 |       defaultValue: View.init,
   |                     `- warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
58 |       updateStrategy: .replace)
59 |   }
[13/54] Compiling EpoxyCore SetBehaviorsProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Model/Providers/MakeViewProviding.swift:57:21: warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
55 |     .init(
56 |       keyPath: \Self.makeView,
57 |       defaultValue: View.init,
   |                     `- warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
58 |       updateStrategy: .replace)
59 |   }
[14/54] Compiling EpoxyCore SetContentProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Model/Providers/MakeViewProviding.swift:57:21: warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
55 |     .init(
56 |       keyPath: \Self.makeView,
57 |       defaultValue: View.init,
   |                     `- warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
58 |       updateStrategy: .replace)
59 |   }
[15/54] Compiling EpoxyCore StyleIDProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Model/Providers/MakeViewProviding.swift:57:21: warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
55 |     .init(
56 |       keyPath: \Self.makeView,
57 |       defaultValue: View.init,
   |                     `- warning: converting function value of type '@MainActor @Sendable () -> Self.View' to 'Self.MakeView' (aka '() -> Self.View') loses global actor 'MainActor'; this is an error in the Swift 6 language mode
58 |       updateStrategy: .replace)
59 |   }
[16/54] Compiling EpoxyCore EpoxyModeled.swift
[17/54] Compiling EpoxyCore AnyEpoxyModelProperty.swift
[18/54] Compiling EpoxyCore ClassReference.swift
[19/54] Compiling EpoxyCore AnimatedProviding.swift
[20/54] Compiling EpoxyCore DataIDProviding.swift
[21/54] Compiling EpoxyCore EpoxyLogger.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Logging/EpoxyLogger.swift:63:21: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |   ///
 62 |   /// Set this to a new logger instance to intercept assertions and warnings logged by Epoxy.
 63 |   public static var shared = EpoxyLogger()
    |                     |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- 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
 64 |
 65 |   /// Logs that an assertion occurred.
[22/54] Compiling EpoxyCore CallbackContextEpoxyModeled.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Logging/EpoxyLogger.swift:63:21: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |   ///
 62 |   /// Set this to a new logger instance to intercept assertions and warnings logged by Epoxy.
 63 |   public static var shared = EpoxyLogger()
    |                     |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- 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
 64 |
 65 |   /// Logs that an assertion occurred.
[23/54] Compiling EpoxyCore EpoxyModelArrayBuilder.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Logging/EpoxyLogger.swift:63:21: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |   ///
 62 |   /// Set this to a new logger instance to intercept assertions and warnings logged by Epoxy.
 63 |   public static var shared = EpoxyLogger()
    |                     |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- 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
 64 |
 65 |   /// Logs that an assertion occurred.
[24/54] Compiling EpoxyCore EpoxyModelProperty.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Logging/EpoxyLogger.swift:63:21: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |   ///
 62 |   /// Set this to a new logger instance to intercept assertions and warnings logged by Epoxy.
 63 |   public static var shared = EpoxyLogger()
    |                     |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- 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
 64 |
 65 |   /// Logs that an assertion occurred.
[25/54] Compiling EpoxyCore EpoxyModelStorage.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Logging/EpoxyLogger.swift:63:21: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 61 |   ///
 62 |   /// Set this to a new logger instance to intercept assertions and warnings logged by Epoxy.
 63 |   public static var shared = EpoxyLogger()
    |                     |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- 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
 64 |
 65 |   /// Logs that an assertion occurred.
[26/54] Compiling EpoxyCore TraitCollectionProviding.swift
[27/54] Compiling EpoxyCore ViewDifferentiatorProviding.swift
[28/54] Compiling EpoxyCore ViewProviding.swift
[29/54] Compiling EpoxyCore WillDisplayProviding.swift
[30/54] Compiling EpoxyCore Collection+Diff.swift
[31/54] Compiling EpoxyCore Diffable.swift
[32/54] Compiling EpoxyCore DiffableSection.swift
[33/54] Compiling EpoxyCore IndexChangeset.swift
[34/54] Compiling EpoxyCore SectionedChangeset.swift
[35/54] Compiling EpoxyCore ViewEpoxyModeled.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:42:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
19 | /// }
20 | /// ```
21 | public struct EpoxyIntrinsicContentSizeInvalidator {
   |               `- note: consider making struct 'EpoxyIntrinsicContentSizeInvalidator' conform to the 'Sendable' protocol
22 |   let invalidate: () -> Void
23 |
   :
40 |
41 | private struct EpoxyIntrinsicContentSizeInvalidatorKey: EnvironmentKey {
42 |   static let defaultValue = EpoxyIntrinsicContentSizeInvalidator(invalidate: { })
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | }
44 |
[36/54] Compiling EpoxyCore EpoxySwiftUIHostingController.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:42:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
19 | /// }
20 | /// ```
21 | public struct EpoxyIntrinsicContentSizeInvalidator {
   |               `- note: consider making struct 'EpoxyIntrinsicContentSizeInvalidator' conform to the 'Sendable' protocol
22 |   let invalidate: () -> Void
23 |
   :
40 |
41 | private struct EpoxyIntrinsicContentSizeInvalidatorKey: EnvironmentKey {
42 |   static let defaultValue = EpoxyIntrinsicContentSizeInvalidator(invalidate: { })
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | }
44 |
[37/54] Compiling EpoxyCore EpoxySwiftUIHostingView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:42:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
19 | /// }
20 | /// ```
21 | public struct EpoxyIntrinsicContentSizeInvalidator {
   |               `- note: consider making struct 'EpoxyIntrinsicContentSizeInvalidator' conform to the 'Sendable' protocol
22 |   let invalidate: () -> Void
23 |
   :
40 |
41 | private struct EpoxyIntrinsicContentSizeInvalidatorKey: EnvironmentKey {
42 |   static let defaultValue = EpoxyIntrinsicContentSizeInvalidator(invalidate: { })
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | }
44 |
[38/54] Compiling EpoxyCore EpoxySwiftUIIntrinsicContentSizeInvalidator.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:42:14: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
19 | /// }
20 | /// ```
21 | public struct EpoxyIntrinsicContentSizeInvalidator {
   |               `- note: consider making struct 'EpoxyIntrinsicContentSizeInvalidator' conform to the 'Sendable' protocol
22 |   let invalidate: () -> Void
23 |
   :
40 |
41 | private struct EpoxyIntrinsicContentSizeInvalidatorKey: EnvironmentKey {
42 |   static let defaultValue = EpoxyIntrinsicContentSizeInvalidator(invalidate: { })
   |              |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'EpoxyIntrinsicContentSizeInvalidator' may have shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | }
44 |
[39/54] Compiling EpoxyCore DidDisplayProviding.swift
[40/54] Compiling EpoxyCore DidEndDisplayingProviding.swift
[41/54] Compiling EpoxyCore DidSelectProviding.swift
[42/54] Compiling EpoxyCore ErasedContentProviding.swift
[43/54] Compiling EpoxyCore EpoxySwiftUILayoutMargins.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:27: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                           `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:63: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                                                               `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:448:32: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
    |                                `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
450 |   }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:449:34: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
    |                                  `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
450 |   }
451 | }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
[44/54] Compiling EpoxyCore EpoxyableView+SwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:27: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                           `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:63: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                                                               `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:448:32: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
    |                                `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
450 |   }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:449:34: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
    |                                  `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
450 |   }
451 | }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
[45/54] Compiling EpoxyCore MeasuringViewRepresentable.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:27: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                           `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:63: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                                                               `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:448:32: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
    |                                `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
450 |   }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:449:34: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
    |                                  `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
450 |   }
451 | }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
[46/54] Compiling EpoxyCore SwiftUIMeasurementContainer.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:27: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                           `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:441:63: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
439 |   /// A `CGSize` with `noIntrinsicMetric` for both its width and height.
440 |   fileprivate static var noIntrinsicMetric: CGSize {
441 |     .init(width: ViewType.noIntrinsicMetric, height: ViewType.noIntrinsicMetric)
    |                                                               `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
442 |   }
443 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:448:32: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
    |                                `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
450 |   }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:449:34: warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
444 |   /// Returns a `CGSize` with its width and/or height replaced with the corresponding field of the
445 |   /// provided `fallback` size if they are `UIView.noIntrinsicMetric`.
446 |   fileprivate func replacingNoIntrinsicMetric(with fallback: CGSize) -> CGSize {
    |                    `- note: add '@MainActor' to make instance method 'replacingNoIntrinsicMetric(with:)' part of global actor 'MainActor'
447 |     .init(
448 |       width: width == ViewType.noIntrinsicMetric ? fallback.width : width,
449 |       height: height == ViewType.noIntrinsicMetric ? fallback.height : height)
    |                                  `- warning: main actor-isolated class property 'noIntrinsicMetric' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
450 |   }
451 | }
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSLayoutConstraint.h:331:29: note: class property declared here
329 |  */
330 | APPKIT_EXTERN const CGFloat NSViewNoInstrinsicMetric API_DEPRECATED_WITH_REPLACEMENT("NSViewNoIntrinsicMetric", macos(10.7,10.14));
331 | APPKIT_EXTERN const CGFloat NSViewNoIntrinsicMetric API_AVAILABLE(macos(10.11)); // -1
    |                             `- note: class property declared here
332 |
333 | @property (readonly) NSSize intrinsicContentSize API_AVAILABLE(macos(10.7));
[47/54] Compiling EpoxyCore SwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:116:23: warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
114 |     /// Setting this to a new value updates the backing measurement container's `content`.
115 |     public var view: Content {
116 |       get { container.content }
    |                       `- warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
117 |       nonmutating set { container.content = newValue }
118 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: property declared here
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: property declared here
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:117:35: warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
115 |     public var view: Content {
116 |       get { container.content }
117 |       nonmutating set { container.content = newValue }
    |                                   `- warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
118 |     }
119 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: mutation of this property is only permitted within the actor
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: mutation of this property is only permitted within the actor
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:32: warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
122 |       viewRepresentableContext.transaction.animation != nil
    |                                `- warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
123 |     }
124 |   }
SwiftUI.NSViewRepresentableContext.transaction:2:39: note: property declared here
1 | generic struct NSViewRepresentableContext {
2 | @MainActor @preconcurrency public var transaction: Transaction { get }}
  |                                       `- note: property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[48/54] Compiling EpoxyCore UIView+SwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:116:23: warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
114 |     /// Setting this to a new value updates the backing measurement container's `content`.
115 |     public var view: Content {
116 |       get { container.content }
    |                       `- warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
117 |       nonmutating set { container.content = newValue }
118 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: property declared here
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: property declared here
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:117:35: warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
115 |     public var view: Content {
116 |       get { container.content }
117 |       nonmutating set { container.content = newValue }
    |                                   `- warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
118 |     }
119 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: mutation of this property is only permitted within the actor
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: mutation of this property is only permitted within the actor
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:32: warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
122 |       viewRepresentableContext.transaction.animation != nil
    |                                `- warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
123 |     }
124 |   }
SwiftUI.NSViewRepresentableContext.transaction:2:39: note: property declared here
1 | generic struct NSViewRepresentableContext {
2 | @MainActor @preconcurrency public var transaction: Transaction { get }}
  |                                       `- note: property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[49/54] Compiling EpoxyCore UIViewConfiguringSwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:116:23: warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
114 |     /// Setting this to a new value updates the backing measurement container's `content`.
115 |     public var view: Content {
116 |       get { container.content }
    |                       `- warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
117 |       nonmutating set { container.content = newValue }
118 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: property declared here
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: property declared here
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:117:35: warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
115 |     public var view: Content {
116 |       get { container.content }
117 |       nonmutating set { container.content = newValue }
    |                                   `- warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
118 |     }
119 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: mutation of this property is only permitted within the actor
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: mutation of this property is only permitted within the actor
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:32: warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
122 |       viewRepresentableContext.transaction.animation != nil
    |                                `- warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
123 |     }
124 |   }
SwiftUI.NSViewRepresentableContext.transaction:2:39: note: property declared here
1 | generic struct NSViewRepresentableContext {
2 | @MainActor @preconcurrency public var transaction: Transaction { get }}
  |                                       `- note: property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[50/54] Compiling EpoxyCore BehaviorsConfigurableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:116:23: warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
114 |     /// Setting this to a new value updates the backing measurement container's `content`.
115 |     public var view: Content {
116 |       get { container.content }
    |                       `- warning: main actor-isolated property 'content' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
117 |       nonmutating set { container.content = newValue }
118 |     }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: property declared here
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: property declared here
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:117:35: warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
115 |     public var view: Content {
116 |       get { container.content }
117 |       nonmutating set { container.content = newValue }
    |                                   `- warning: main actor-isolated property 'content' can not be mutated from a nonisolated context; this is an error in the Swift 6 language mode
118 |     }
119 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:56:14: note: mutation of this property is only permitted within the actor
 54 |
 55 |   /// The `UIView` content that's being measured by this container.
 56 |   public var content: Content {
    |              `- note: mutation of this property is only permitted within the actor
 57 |     didSet {
 58 |       guard content !== oldValue else { return }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:32: warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
122 |       viewRepresentableContext.transaction.animation != nil
    |                                `- warning: main actor-isolated property 'transaction' can not be referenced from a nonisolated context; this is an error in the Swift 6 language mode
123 |     }
124 |   }
SwiftUI.NSViewRepresentableContext.transaction:2:39: note: property declared here
1 | generic struct NSViewRepresentableContext {
2 | @MainActor @preconcurrency public var transaction: Transaction { get }}
  |                                       `- note: property declared here
3 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[51/54] Compiling EpoxyCore ContentConfigurableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[52/54] Compiling EpoxyCore EpoxyableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[53/54] Compiling EpoxyCore StyledView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[54/54] Compiling EpoxyCore ViewType.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
[1/1] Compiling plugin FormatSwift
[2/2] Compiling plugin Generate Manual
Building for debugging...
[2/3] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/43] Emitting module EpoxyCore
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[5/47] Compiling EpoxyCore Collection+Diff.swift
[6/47] Compiling EpoxyCore Diffable.swift
[7/47] Compiling EpoxyCore DiffableSection.swift
[8/47] Compiling EpoxyCore IndexChangeset.swift
[9/47] Compiling EpoxyCore SectionedChangeset.swift
[10/47] Compiling EpoxyCore ViewEpoxyModeled.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
[11/47] Compiling EpoxyCore EpoxySwiftUIHostingController.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
[12/47] Compiling EpoxyCore EpoxySwiftUIHostingView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
[13/47] Compiling EpoxyCore EpoxySwiftUIIntrinsicContentSizeInvalidator.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUIIntrinsicContentSizeInvalidator.swift:31:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
29 | // MARK: - EnvironmentValues
30 |
31 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
32 |   /// A means of invalidating the intrinsic content size of the parent `EpoxySwiftUIHostingView`.
33 |   public var epoxyIntrinsicContentSizeInvalidator: EpoxyIntrinsicContentSizeInvalidator {
[14/47] Compiling EpoxyCore EpoxyModeled.swift
[15/47] Compiling EpoxyCore AnyEpoxyModelProperty.swift
[16/47] Compiling EpoxyCore ClassReference.swift
[17/47] Compiling EpoxyCore AnimatedProviding.swift
[18/47] Compiling EpoxyCore DataIDProviding.swift
[19/47] Compiling EpoxyCore ContentConfigurableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[20/47] Compiling EpoxyCore EpoxyableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[21/47] Compiling EpoxyCore StyledView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[22/47] Compiling EpoxyCore ViewType.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/Views/ViewType.swift:36:42: error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
34 | /// The platform's SwiftUI view representable type.
35 | /// Either `UIViewRepresentable` on iOS/tvOS, or `NSViewRepresentable` on macOS.
36 | public typealias ViewRepresentableType = NSViewRepresentable
   |                                          `- error: 'NSViewRepresentable' is only available in macOS 10.15 or newer
37 |
38 | /// The platform's layout constraint priority type.
[23/47] Compiling EpoxyCore TraitCollectionProviding.swift
[24/47] Compiling EpoxyCore ViewDifferentiatorProviding.swift
[25/47] Compiling EpoxyCore ViewProviding.swift
[26/47] Compiling EpoxyCore WillDisplayProviding.swift
[27/47] Compiling EpoxyCore EpoxyLogger.swift
[28/47] Compiling EpoxyCore CallbackContextEpoxyModeled.swift
[29/47] Compiling EpoxyCore EpoxyModelArrayBuilder.swift
[30/47] Compiling EpoxyCore EpoxyModelProperty.swift
[31/47] Compiling EpoxyCore EpoxyModelStorage.swift
[32/47] Compiling EpoxyCore MakeViewProviding.swift
[33/47] Compiling EpoxyCore SetBehaviorsProviding.swift
[34/47] Compiling EpoxyCore SetContentProviding.swift
[35/47] Compiling EpoxyCore StyleIDProviding.swift
[36/47] Compiling EpoxyCore DidDisplayProviding.swift
[37/47] Compiling EpoxyCore DidEndDisplayingProviding.swift
[38/47] Compiling EpoxyCore DidSelectProviding.swift
[39/47] Compiling EpoxyCore ErasedContentProviding.swift
[40/47] Compiling EpoxyCore SwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[41/47] Compiling EpoxyCore UIView+SwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[42/47] Compiling EpoxyCore UIViewConfiguringSwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[43/47] Compiling EpoxyCore BehaviorsConfigurableView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/SwiftUIView.swift:122:44: error: 'animation' is only available in macOS 10.15 or newer
 99 |   /// The configuration context that's available to configure the `Content` view whenever the
100 |   /// `updateUIView()` method is invoked via a configuration closure.
101 |   public struct ConfigurationContext: ViewProviding {
    |                 `- note: add @available attribute to enclosing struct
102 |     /// The previous value for the `Storage` of this `SwiftUIView`, which can be used to store
103 |     /// values across state changes to prevent redundant view updates.
    :
119 |
120 |     /// A convenience accessor indicating whether this content update should be animated.
121 |     public var animated: Bool {
    |                `- note: add @available attribute to enclosing property
122 |       viewRepresentableContext.transaction.animation != nil
    |                                            |- error: 'animation' is only available in macOS 10.15 or newer
    |                                            `- note: add 'if #available' version check
123 |     }
124 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/UIViewConfiguringSwiftUIView.swift:10:47: error: 'View' is only available in macOS 10.15 or newer
 8 | /// A protocol describing a SwiftUI `View` that can configure its `UIView` content via an array of
 9 | /// `configuration` closures.
10 | public protocol UIViewConfiguringSwiftUIView: View {
   |                 |                             `- error: 'View' is only available in macOS 10.15 or newer
   |                 `- note: add @available attribute to enclosing protocol
11 |   /// The context available to this configuration, which provides the `UIView` instance at a minimum
12 |   /// but can include additional context as needed.
[44/47] Compiling EpoxyCore EpoxySwiftUILayoutMargins.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
[45/47] Compiling EpoxyCore EpoxyableView+SwiftUIView.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
[46/47] Compiling EpoxyCore MeasuringViewRepresentable.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
[47/47] Compiling EpoxyCore SwiftUIMeasurementContainer.swift
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:16:44: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               |                            `- error: 'View' is only available in macOS 10.15 or newer
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
18 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:8:11: error: 'View' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | |         `- error: 'View' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:25:34: error: 'EdgeInsets' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
   |              |                   `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing property
26 |     get { self[EpoxyLayoutMarginsKey.self] }
27 |     set { self[EpoxyLayoutMarginsKey.self] = newValue }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:23:11: error: 'EnvironmentValues' is only available in macOS 10.15 or newer
21 | // MARK: - EnvironmentValues
22 |
23 | extension EnvironmentValues {
   | |         `- error: 'EnvironmentValues' is only available in macOS 10.15 or newer
   | `- note: add @available attribute to enclosing extension
24 |   /// The layout margins of the parent `EpoxySwiftUIHostingView`, else zero if there is none.
25 |   public var epoxyLayoutMargins: EdgeInsets {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:34:29: error: 'EdgeInsets' is only available in macOS 10.15 or newer
31 | // MARK: - EpoxyLayoutMarginsKey
32 |
33 | private struct EpoxyLayoutMarginsKey: EnvironmentKey {
   |                `- note: add @available attribute to enclosing struct
34 |   static let defaultValue = EdgeInsets()
   |              |              `- error: 'EdgeInsets' is only available in macOS 10.15 or newer
   |              `- note: add @available attribute to enclosing static property
35 | }
36 |
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:42:4: error: 'Environment' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
   |    `- error: 'Environment' is only available in macOS 10.15 or newer
43 |
44 |   func body(content: Content) -> some View {
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:44:39: error: 'View' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        |                              `- error: 'View' is only available in macOS 10.15 or newer
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
46 |   }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:17:5: error: 'modifier' is only available in macOS 10.15 or newer
 6 | // MARK: - View
 7 |
 8 | extension View {
   | `- note: add @available attribute to enclosing extension
 9 |   /// Applies the layout margins from the parent `EpoxySwiftUIHostingView` to this `View`, if there
10 |   /// are any.
   :
14 |   ///
15 |   /// These margins are propagated via the `EnvironmentValues.epoxyLayoutMargins`.
16 |   public func epoxyLayoutMargins() -> some View {
   |               `- note: add @available attribute to enclosing instance method
17 |     modifier(EpoxyLayoutMarginsPadding())
   |     |- error: 'modifier' is only available in macOS 10.15 or newer
   |     `- note: add 'if #available' version check
18 |   }
19 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/EpoxySwiftUILayoutMargins.swift:45:13: error: 'padding' is only available in macOS 10.15 or newer
39 | /// A view modifier that applies the layout margins from an enclosing `EpoxySwiftUIHostingView` to
40 | /// the modified `View`.
41 | private struct EpoxyLayoutMarginsPadding: ViewModifier {
   |                `- note: add @available attribute to enclosing struct
42 |   @Environment(\.epoxyLayoutMargins) var epoxyLayoutMargins
43 |
44 |   func body(content: Content) -> some View {
   |        `- note: add @available attribute to enclosing instance method
45 |     content.padding(epoxyLayoutMargins)
   |             |- error: 'padding' is only available in macOS 10.15 or newer
   |             `- note: add 'if #available' version check
46 |   }
47 | }
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:240:13: error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
238 |     // equal to their intrinsic content size. These have to be disabled in favor of the constraints
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
    |             |- error: 'isVerticalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
241 |     content.isHorizontalContentSizeConstraintActive = false
242 |     #endif
/Users/admin/builder/spi-builder-workspace/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift:241:13: error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
 13 | ///
 14 | /// - SeeAlso: ``MeasuringViewRepresentable``
 15 | public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
    |                    `- note: add @available attribute to enclosing generic class
 16 |
 17 |   // MARK: Lifecycle
    :
213 |
214 |   /// Prioritizes the given constraints based on the provided resolved strategy.
215 |   private func prioritizeConstraints(
    |                `- note: add @available attribute to enclosing instance method
216 |     _ constraints: [NSLayoutConstraint.Attribute: NSLayoutConstraint],
217 |     strategy: ResolvedSwiftUIMeasurementContainerStrategy)
    :
239 |     // we create here.
240 |     content.isVerticalContentSizeConstraintActive = false
241 |     content.isHorizontalContentSizeConstraintActive = false
    |             |- error: 'isHorizontalContentSizeConstraintActive' is only available in macOS 10.15 or newer
    |             `- note: add 'if #available' version check
242 |     #endif
243 |   }
BUILD FAILURE 6.1 macosSpm