diff --git a/.gitignore b/.gitignore
index a89cfcf10..475d6e76b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -221,3 +221,4 @@ artifacts/
 # Tests
 **/Images/ActualOutput
 **/Images/ReferenceOutput
+.DS_Store
diff --git a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/RgbaVector.PixelOperations.cs b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/RgbaVector.PixelOperations.cs
index 1605d862e..c66526bbe 100644
--- a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/RgbaVector.PixelOperations.cs
+++ b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/RgbaVector.PixelOperations.cs
@@ -26,6 +26,17 @@ namespace SixLabors.ImageSharp.PixelFormats
             /// <inheritdoc />
             public override PixelTypeInfo GetPixelTypeInfo() => LazyInfo.Value;
 
+            /// <inheritdoc />
+            public override void From<TSourcePixel>(
+                Configuration configuration,
+                ReadOnlySpan<TSourcePixel> sourcePixels,
+                Span<RgbaVector> destinationPixels)
+            {
+                Span<Vector4> destinationVectors = MemoryMarshal.Cast<RgbaVector, Vector4>(destinationPixels);
+
+                PixelOperations<TSourcePixel>.Instance.ToVector4(configuration, sourcePixels, destinationVectors);
+            }
+
             /// <inheritdoc />
             public override void FromVector4Destructive(
                 Configuration configuration,
diff --git a/tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs b/tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs
index 47d951837..4a20f4e56 100644
--- a/tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs
+++ b/tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs
@@ -35,7 +35,8 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
                 nameof(KnownResamplers.Lanczos5),
             };
 
-        private static readonly ImageComparer ValidatorComparer = ImageComparer.TolerantPercentage(0.07F);
+        private static readonly ImageComparer ValidatorComparer =
+            ImageComparer.TolerantPercentage(TestEnvironment.IsOSX && TestEnvironment.RunsOnCI ? 0.26F : 0.07F);
 
         [Fact]
         public void Resize_PixelAgnostic()
@@ -355,7 +356,6 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         }
 
         [Theory]
-        [PlatformSpecific(~TestPlatforms.OSX)]
         [WithFileCollection(nameof(CommonTestImages), DefaultPixelType)]
         public void ResizeFromSourceRectangle<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
@@ -438,7 +438,6 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         }
 
         [Theory]
-        [PlatformSpecific(~TestPlatforms.OSX)]
         [WithFileCollection(nameof(CommonTestImages), DefaultPixelType)]
         public void ResizeWithBoxPadMode<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
@@ -549,7 +548,6 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         }
 
         [Theory]
-        [PlatformSpecific(~TestPlatforms.OSX)]
         [WithFileCollection(nameof(CommonTestImages), DefaultPixelType)]
         public void ResizeWithPadMode<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
diff --git a/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs b/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs
index 48728faf0..b80a29646 100644
--- a/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs
@@ -108,6 +108,8 @@ namespace SixLabors.ImageSharp.Tests
 
         internal static bool IsLinux => RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
 
+        internal static bool IsOSX => RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
+
         internal static bool IsMono => Type.GetType("Mono.Runtime") != null; // https://stackoverflow.com/a/721194
 
         internal static bool IsWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);