diff --git a/scripts/azure-templates-bootstrapper.yml b/scripts/azure-templates-bootstrapper.yml
index 4e9736538e9..5fe77fc96b6 100644
--- a/scripts/azure-templates-bootstrapper.yml
+++ b/scripts/azure-templates-bootstrapper.yml
@@ -188,13 +188,6 @@ jobs:
             - pwsh: Remove-Item "$env:AGENT_TOOLSDIRECTORY/dotnet" -Recurse -Force -ErrorAction SilentlyContinue
               displayName: Cleanup existing versions of .NET
               condition: and(succeeded(), eq(variables['DOWNLOAD_EXTERNALS'], ''))
-          - task: UseDotNet@2
-            condition: and(succeeded(), eq(variables['DOWNLOAD_EXTERNALS'], ''))
-            inputs:
-              packageType: 'sdk'
-              version: 3.1.x
-            retryCountOnTaskFailure: 3
-            displayName: Install .NET 3.1.x
           - task: UseDotNet@2
             condition: and(succeeded(), eq(variables['DOWNLOAD_EXTERNALS'], ''))
             inputs:
diff --git a/scripts/azure-templates-stages.yml b/scripts/azure-templates-stages.yml
index b39f34db490..ea65da7892e 100644
--- a/scripts/azure-templates-stages.yml
+++ b/scripts/azure-templates-stages.yml
@@ -490,6 +490,15 @@ stages:
       ${{ if eq(parameters.buildPipelineType, 'both') }}:
         dependsOn: native
       jobs:
+        - template: /scripts/azure-templates-bootstrapper.yml@self # Validate Interop
+          parameters:
+            name: managed_interop_windows
+            displayName: Validate Interop
+            buildPipelineType: ${{ parameters.buildPipelineType }}
+            buildAgent: ${{ parameters.buildAgentWindows}}
+            target: externals-interop
+            additionalArgs: --skipExternals="all" --validateInterop=true
+            installAndroidSdk: false
         - template: /scripts/azure-templates-bootstrapper.yml@self # Build Managed (Windows)
           parameters:
             name: managed_windows
diff --git a/scripts/cake/externals.cake b/scripts/cake/externals.cake
index d5b4df53ed0..18b29313b38 100644
--- a/scripts/cake/externals.cake
+++ b/scripts/cake/externals.cake
@@ -40,6 +40,29 @@ Task("externals-download")
     await DownloadPackageAsync("_nativeassets", "./output/native");
 });
 
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// EXTERNALS INTEROP - re-generate the interop files
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+Task("externals-interop")
+    .Does(() =>
+{
+    RunProcess("pwsh", "./utils/generate.ps1");
+
+    RunProcess("git", "diff --name-only binding/*/*.generated.cs", out var files);
+
+    if (files.Any()) {
+        Information("Generated files have changed:");
+        foreach (var file in files) {
+            Information($" - {file}");
+        }
+
+        if (Argument("validateInterop", false)) {
+            throw new Exception("Generated interop files are out of date. Please run `pwsh ./utils/generate.ps1`.");
+        }
+    }
+});
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // CLEAN - remove all the build artefacts
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/utils/NativeLibraryMiniTest/docker/NativeLibraryMiniTest.csproj b/utils/NativeLibraryMiniTest/docker/NativeLibraryMiniTest.csproj
index 21aa313d610..f40c99436d6 100644
--- a/utils/NativeLibraryMiniTest/docker/NativeLibraryMiniTest.csproj
+++ b/utils/NativeLibraryMiniTest/docker/NativeLibraryMiniTest.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
   </PropertyGroup>
 
diff --git a/utils/SkiaSharpGenerator/Generate/GenerateCommand.cs b/utils/SkiaSharpGenerator/Generate/GenerateCommand.cs
index 105da78e106..bc7404e7f66 100644
--- a/utils/SkiaSharpGenerator/Generate/GenerateCommand.cs
+++ b/utils/SkiaSharpGenerator/Generate/GenerateCommand.cs
@@ -20,7 +20,7 @@ public GenerateCommand()
 
 		protected override OptionSet OnCreateOptions() => new OptionSet
 		{
-			{ "s|skia=", "The root of the skia source", v => SourceRoot = v },
+			{ "r|root=", "The root of the source", v => SourceRoot = v },
 			{ "c|config=", "The config file path", v => ConfigPath = v },
 			{ "o|output=", "The output path", v => OutputPath = v },
 		};
@@ -31,7 +31,7 @@ protected override bool OnValidateArguments(IEnumerable<string> extras)
 
 			if (string.IsNullOrEmpty(SourceRoot))
 			{
-				Program.Log.LogError($"{Program.Name}: Path to the skia source was not provided: `--skia=<path-to-skia>`.");
+				Program.Log.LogError($"{Program.Name}: Path to the skia source was not provided: `--root=<path-to-skia-or-root>`.");
 				hasError = true;
 			}
 			else if (!Directory.Exists(SourceRoot))
diff --git a/utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj b/utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj
index 7b3c5de9903..25df0ee1655 100644
--- a/utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj
+++ b/utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <Nullable>enable</Nullable>
     <RollForward>LatestMajor</RollForward>
   </PropertyGroup>
diff --git a/utils/generate.ps1 b/utils/generate.ps1
index f7fc7a20504..12d937313bd 100644
--- a/utils/generate.ps1
+++ b/utils/generate.ps1
@@ -1,5 +1,25 @@
-dotnet run --project=utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj -- generate --config binding/libSkiaSharp.json --skia externals/skia --output binding/SkiaSharp/SkiaApi.generated.cs
-dotnet run --project=utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj -- generate --config binding/libSkiaSharp.Skottie.json --skia externals/skia --output binding/SkiaSharp.Skottie/SkottieApi.generated.cs
-dotnet run --project=utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj -- generate --config binding/libSkiaSharp.SceneGraph.json --skia externals/skia --output binding/SkiaSharp.SceneGraph/SceneGraphApi.generated.cs
-dotnet run --project=utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj -- generate --config binding/libSkiaSharp.Resources.json --skia externals/skia --output binding/SkiaSharp.Resources/ResourcesApi.generated.cs
-dotnet run --project=utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj -- generate --config binding/libHarfBuzzSharp.json --skia externals/skia/third_party/externals/harfbuzz --output binding/HarfBuzzSharp/HarfBuzzApi.generated.cs
+$ErrorActionPreference = "Stop"
+
+$projects = @(
+    @{ Json="libSkiaSharp.json";            Root="externals/skia";                                  Output="SkiaSharp/SkiaApi.generated.cs"                  },
+    @{ Json="libSkiaSharp.Skottie.json";    Root="externals/skia";                                  Output="SkiaSharp.Skottie/SkottieApi.generated.cs"       },
+    @{ Json="libSkiaSharp.SceneGraph.json"; Root="externals/skia";                                  Output="SkiaSharp.SceneGraph/SceneGraphApi.generated.cs" },
+    @{ Json="libSkiaSharp.Resources.json";  Root="externals/skia";                                  Output="SkiaSharp.Resources/ResourcesApi.generated.cs"   },
+    @{ Json="libHarfBuzzSharp.json";        Root="externals/skia/third_party/externals/harfbuzz";   Output="HarfBuzzSharp/HarfBuzzApi.generated.cs"          }
+)
+
+New-Item -ItemType Directory -Force -Path "output/generated/" | Out-Null
+
+foreach ($proj in $projects) {
+    $json = $proj.Json;
+    $output = $proj.Output;
+    $root = $proj.Root;
+    $filename = Split-Path $output -Leaf
+
+    dotnet run --project=utils/SkiaSharpGenerator/SkiaSharpGenerator.csproj -- generate --config binding/$json --root $root --output binding/$output
+    if (!$?) {
+        exit $LASTEXITCODE
+    }
+
+    Copy-Item -Path binding/$output -Destination output/generated/$filename -Force
+}