diff --git a/Example/EpoxyExample/ViewControllers/SwiftUI/EpoxyInSwiftUISizingStrategiesViewController.swift b/Example/EpoxyExample/ViewControllers/SwiftUI/EpoxyInSwiftUISizingStrategiesViewController.swift
index 3bf3727..26e2b3f 100644
--- a/Example/EpoxyExample/ViewControllers/SwiftUI/EpoxyInSwiftUISizingStrategiesViewController.swift
+++ b/Example/EpoxyExample/ViewControllers/SwiftUI/EpoxyInSwiftUISizingStrategiesViewController.swift
@@ -79,17 +79,17 @@ extension SwiftUIMeasurementContainerStrategy: Identifiable, CaseIterable {
   var displayString: String {
     switch self {
     case .automatic:
-      "Automatic"
+      return "Automatic"
     case .proposed:
-      "Proposed"
+      return "Proposed"
     case .intrinsicHeightProposedOrIntrinsicWidth:
-      "Intrinsic Height, Proposed Width or Intrinsic Width"
+      return "Intrinsic Height, Proposed Width or Intrinsic Width"
     case .intrinsicHeightProposedWidth:
-      "Intrinsic Height, Proposed Width"
+      return "Intrinsic Height, Proposed Width"
     case .intrinsicWidthProposedHeight:
-      "Intrinsic Width, Proposed Height"
+      return "Intrinsic Width, Proposed Height"
     case .intrinsic:
-      "Intrinsic"
+      return "Intrinsic"
     }
   }
 
diff --git a/Sources/EpoxyCore/SwiftUI/LayoutUtilities/MeasuringViewRepresentable.swift b/Sources/EpoxyCore/SwiftUI/LayoutUtilities/MeasuringViewRepresentable.swift
index 04c54a1..25b16fc 100644
--- a/Sources/EpoxyCore/SwiftUI/LayoutUtilities/MeasuringViewRepresentable.swift
+++ b/Sources/EpoxyCore/SwiftUI/LayoutUtilities/MeasuringViewRepresentable.swift
@@ -65,7 +65,7 @@ extension MeasuringViewRepresentable {
     size = uiView.measuredFittingSize
   }
 
-  #if swift(>=5.7) // Proxy check for being built with the iOS 15 SDK
+  #if swift(>=5.7.1) // Proxy check for being built with the iOS 15 SDK
   @available(iOS 16.0, tvOS 16.0, macOS 13.0, *)
   public func sizeThatFits(
     _ proposal: ProposedViewSize,
@@ -90,7 +90,13 @@ extension MeasuringViewRepresentable {
   {
     nsView.strategy = sizing
     let children = Mirror(reflecting: proposedSize).children
-    nsView.proposedSize = proposal.viewTypeValue
+    nsView.proposedSize = .init(
+      width: (
+        children.first { $0.label == "width" }?
+          .value as? CGFloat ?? ViewType.noIntrinsicMetric).constraintSafeValue,
+      height: (
+        children.first { $0.label == "height" }?
+          .value as? CGFloat ?? ViewType.noIntrinsicMetric).constraintSafeValue)
     size = nsView.measuredFittingSize
   }
 
@@ -111,7 +117,7 @@ extension MeasuringViewRepresentable {
 }
 #endif
 
-#if swift(>=5.7) // Proxy check for being built with the iOS 15 SDK
+#if swift(>=5.7.1) // Proxy check for being built with the iOS 15 SDK
 @available(iOS 16.0, tvOS 16.0, macOS 13.0, *)
 extension ProposedViewSize {
   /// Creates a size by replacing `nil`s with `UIView.noIntrinsicMetric`
diff --git a/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift b/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift
index 2658a5b..8374d6b 100644
--- a/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift
+++ b/Sources/EpoxyCore/SwiftUI/LayoutUtilities/SwiftUIMeasurementContainer.swift
@@ -82,7 +82,7 @@ public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
 
       // The proposed size is only used by the measurement, so just re-measure.
       _measuredFittingSize = nil
-      setNeedsUpdateConstraints()
+      setNeedsUpdateConstraintsForPlatform()
     }
   }
 
@@ -165,7 +165,7 @@ public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
   /// The cached `measuredFittingSize` to prevent unnecessary re-measurements.
   private var _measuredFittingSize: CGSize? {
     didSet {
-      setNeedsUpdateConstraints()
+      setNeedsUpdateConstraintsForPlatform()
     }
   }
 
@@ -278,9 +278,25 @@ public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
     }
   }
 
+  private func setNeedsUpdateConstraintsForPlatform() {
+    #if os(iOS) || os(tvOS)
+    setNeedsUpdateConstraints()
+    #elseif os(macOS)
+    needsUpdateConstraints = true
+    #endif
+  }
+
+  private func updateConstraintsForPlatformIfNeeded() {
+    #if os(iOS) || os(tvOS)
+    updateConstraintsIfNeeded()
+    #elseif os(macOS)
+    updateConstraintsForSubtreeIfNeeded()
+    #endif
+  }
+
   /// Measures the `uiView`, storing the resulting size in `measuredIntrinsicContentSize`.
   private func measureView() -> CGSize {
-    updateConstraintsIfNeeded()
+    updateConstraintsForPlatformIfNeeded()
     latestMeasurementBoundsSize = bounds.size
 
     var measuredSize: CGSize
@@ -299,7 +315,7 @@ public final class SwiftUIMeasurementContainer<Content: ViewType>: ViewType {
       measuredSize.height = ViewType.noIntrinsicMetric
 
     case .intrinsicHeightProposedOrIntrinsicWidth:
-      let fittingSize = content.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
+      let fittingSize = content.systemLayoutFittingIntrinsicSize()
       measuredSize = CGSize(
         width: min(fittingSize.width, proposedSize.width > 0 ? proposedSize.width : fittingSize.width),
         height: fittingSize.height)