Inset for section

src/Controls/src/Core/Handlers/Items/iOS/GroupableItemsViewController.cs

@@ -228,11 +228,8 @@ internal UIEdgeInsets GetInsetForSection(ItemsViewLayout itemsViewLayout,
 				top += spacing;
 			}
 
-			// If we're at the last section, we don't need to add the right inset
-			var resolvedRightInset = section >= (collectionView.NumberOfSections() - 1) ? 0 : uIEdgeInsets.Right;
-
 			return new UIEdgeInsets(top, left,
-				uIEdgeInsets.Bottom, resolvedRightInset);
+				uIEdgeInsets.Bottom, uIEdgeInsets.Right);
 		}
 
 		// These measurement methods are only necessary for iOS 10 and lower

src/Controls/src/Core/Handlers/Items/iOS/ItemsViewLayout.cs

@@ -133,6 +133,12 @@ internal void SetInitialConstraints(CGSize size)
 		public virtual UIEdgeInsets GetInsetForSection(UICollectionView collectionView, UICollectionViewLayout layout,
 			nint section)
 		{
+			// If we're at the last section, we don't need to add the right inset
+			if (section >= (collectionView.NumberOfSections() - 1))
+			{
+				return UIEdgeInsets.Zero;
+			}
+
 			if (_itemsLayout is GridItemsLayout gridItemsLayout)
 			{
 				if (ScrollDirection == UICollectionViewScrollDirection.Horizontal)

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue25433.cs

@@ -1,4 +1,4 @@
-#if !MACCATALYST && !WINDOWS
+#if !WINDOWS
 // https://github.com/dotnet/maui/issues/11320
 // Item spacing on the Windows platform is currently not functioning correctly
 using NUnit.Framework;