dotnet · kubaflo · Aug 10, 2026 · Jun 3, 2026 · Jun 4, 2026 · Jun 4, 2026
diff --git a/Directory.Build.targets b/Directory.Build.targets
@@ -2,6 +2,13 @@
 
   <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />
 
+  <PropertyGroup>
+    <!-- Don't ship .NET Standard packages by default, EXCEPT when a project explicitly opts in via
+         <IsPackable>true</IsPackable> (e.g. the workload manifest and SDK packs, which are netstandard-only
+         but must ship). The '$(IsPackable)' == '' guard preserves that explicit opt-in. -->
+    <IsPackable Condition="$(TargetFramework.Contains('netstandard')) and '$(IsPackable)' == ''">false</IsPackable>
+  </PropertyGroup>
+
   <ItemGroup>
     <!-- Upgrade xunit's transitive NETStandard.Library dependency to avoid .NET Standard 1.x dependencies. -->
     <!-- <PackageReference Include="NETStandard.Library"

diff --git a/Microsoft.Maui-dev.sln b/Microsoft.Maui-dev.sln
@@ -133,6 +133,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{A9C514B9
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.DeviceTests", "src\BlazorWebView\tests\DeviceTests\MauiBlazorWebView.DeviceTests.csproj", "{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.UnitTests", "src\BlazorWebView\tests\MauiBlazorWebView.UnitTests\MauiBlazorWebView.UnitTests.csproj", "{00E708AA-402D-4BB5-AD88-348274F8E1DF}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SharedSource", "SharedSource", "{4F2926C8-43AB-4328-A735-D9EAD699F81D}"
 	ProjectSection(SolutionItems) = preProject
 		src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs = src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs
@@ -443,6 +445,10 @@ Global
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
@@ -706,6 +712,7 @@ Global
 		{71FFE8BF-EBE4-4078-8484-86C6EA685D14} = {50C758FE-4E10-409A-94F5-A75480960864}
 		{A9C514B9-1EE2-4A12-8E8A-CE16D87545C3} = {1614D1A4-5C3D-4D5B-8C89-426E37A564EF}
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
 		{4F2926C8-43AB-4328-A735-D9EAD699F81D} = {ED7F28E0-D0AF-417D-983D-3D874EEE8554}
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66} = {C564DDD6-DE79-45CD-88EA-3F690481572A}
 		{E8728693-3537-4007-A4DB-9F9634548755} = {E8AD265B-3C67-4640-AC58-A522F9FB3361}

diff --git a/Microsoft.Maui-mac.slnf b/Microsoft.Maui-mac.slnf
@@ -6,6 +6,7 @@
       "src\\BlazorWebView\\samples\\WebViewAppShared\\WebViewAppShared.csproj",
       "src\\BlazorWebView\\src\\Maui\\Microsoft.AspNetCore.Components.WebView.Maui.csproj",
       "src\\BlazorWebView\\tests\\DeviceTests\\MauiBlazorWebView.DeviceTests.csproj",
+      "src\\BlazorWebView\\tests\\MauiBlazorWebView.UnitTests\\MauiBlazorWebView.UnitTests.csproj",
       "src\\Controls\\Foldable\\src\\Controls.Foldable.csproj",
       "src\\Controls\\Maps\\src\\Controls.Maps.csproj",
       "src\\Controls\\samples\\Controls.Sample.Profiling\\Maui.Controls.Sample.Profiling.csproj",
@@ -66,4 +67,4 @@
       "src\\Workload\\Microsoft.NET.Sdk.Maui.Manifest\\Microsoft.NET.Sdk.Maui.Manifest.csproj"
     ]
   }
-}
+}
diff --git a/Microsoft.Maui-vscode.sln b/Microsoft.Maui-vscode.sln
@@ -125,6 +125,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{A9C514B9
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.DeviceTests", "src\BlazorWebView\tests\DeviceTests\MauiBlazorWebView.DeviceTests.csproj", "{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.UnitTests", "src\BlazorWebView\tests\MauiBlazorWebView.UnitTests\MauiBlazorWebView.UnitTests.csproj", "{00E708AA-402D-4BB5-AD88-348274F8E1DF}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SharedSource", "SharedSource", "{4F2926C8-43AB-4328-A735-D9EAD699F81D}"
 	ProjectSection(SolutionItems) = preProject
 		src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs = src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs
@@ -396,6 +398,10 @@ Global
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
@@ -621,6 +627,7 @@ Global
 		{71FFE8BF-EBE4-4078-8484-86C6EA685D14} = {50C758FE-4E10-409A-94F5-A75480960864}
 		{A9C514B9-1EE2-4A12-8E8A-CE16D87545C3} = {1614D1A4-5C3D-4D5B-8C89-426E37A564EF}
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
 		{4F2926C8-43AB-4328-A735-D9EAD699F81D} = {ED7F28E0-D0AF-417D-983D-3D874EEE8554}
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66} = {C564DDD6-DE79-45CD-88EA-3F690481572A}
 		{E8728693-3537-4007-A4DB-9F9634548755} = {E8AD265B-3C67-4640-AC58-A522F9FB3361}

diff --git a/Microsoft.Maui-windows.slnf b/Microsoft.Maui-windows.slnf
@@ -10,6 +10,7 @@
       "src\\BlazorWebView\\src\\WindowsForms\\Microsoft.AspNetCore.Components.WebView.WindowsForms.csproj",
       "src\\BlazorWebView\\src\\Wpf\\Microsoft.AspNetCore.Components.WebView.Wpf.csproj",
       "src\\BlazorWebView\\tests\\DeviceTests\\MauiBlazorWebView.DeviceTests.csproj",
+      "src\\BlazorWebView\\tests\\MauiBlazorWebView.UnitTests\\MauiBlazorWebView.UnitTests.csproj",
       "src\\Controls\\Foldable\\src\\Controls.Foldable.csproj",
       "src\\Controls\\Maps\\src\\Controls.Maps.csproj",
       "src\\Controls\\samples\\Controls.Sample.Profiling\\Maui.Controls.Sample.Profiling.csproj",
@@ -83,4 +84,4 @@
       "src\\Workload\\Microsoft.NET.Sdk.Maui.Manifest\\Microsoft.NET.Sdk.Maui.Manifest.csproj"
     ]
   }
-}
+}
diff --git a/Microsoft.Maui.LegacyControlGallery.sln b/Microsoft.Maui.LegacyControlGallery.sln
@@ -132,6 +132,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{A9C514B9
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.DeviceTests", "src\BlazorWebView\tests\DeviceTests\MauiBlazorWebView.DeviceTests.csproj", "{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.UnitTests", "src\BlazorWebView\tests\MauiBlazorWebView.UnitTests\MauiBlazorWebView.UnitTests.csproj", "{00E708AA-402D-4BB5-AD88-348274F8E1DF}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SharedSource", "SharedSource", "{4F2926C8-43AB-4328-A735-D9EAD699F81D}"
 	ProjectSection(SolutionItems) = preProject
 		src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs = src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs
@@ -456,6 +458,10 @@ Global
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
@@ -737,6 +743,7 @@ Global
 		{71FFE8BF-EBE4-4078-8484-86C6EA685D14} = {50C758FE-4E10-409A-94F5-A75480960864}
 		{A9C514B9-1EE2-4A12-8E8A-CE16D87545C3} = {1614D1A4-5C3D-4D5B-8C89-426E37A564EF}
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
 		{4F2926C8-43AB-4328-A735-D9EAD699F81D} = {ED7F28E0-D0AF-417D-983D-3D874EEE8554}
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66} = {C564DDD6-DE79-45CD-88EA-3F690481572A}
 		{E8728693-3537-4007-A4DB-9F9634548755} = {E8AD265B-3C67-4640-AC58-A522F9FB3361}

diff --git a/Microsoft.Maui.sln b/Microsoft.Maui.sln
@@ -141,6 +141,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{A9C514B9
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.DeviceTests", "src\BlazorWebView\tests\DeviceTests\MauiBlazorWebView.DeviceTests.csproj", "{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MauiBlazorWebView.UnitTests", "src\BlazorWebView\tests\MauiBlazorWebView.UnitTests\MauiBlazorWebView.UnitTests.csproj", "{00E708AA-402D-4BB5-AD88-348274F8E1DF}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SharedSource", "SharedSource", "{4F2926C8-43AB-4328-A735-D9EAD699F81D}"
 	ProjectSection(SolutionItems) = preProject
 		src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs = src\BlazorWebView\src\SharedSource\AutoCloseOnReadCompleteStream.cs
@@ -452,6 +454,10 @@ Global
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF}.Release|Any CPU.Build.0 = Release|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
@@ -714,6 +720,7 @@ Global
 		{71FFE8BF-EBE4-4078-8484-86C6EA685D14} = {50C758FE-4E10-409A-94F5-A75480960864}
 		{A9C514B9-1EE2-4A12-8E8A-CE16D87545C3} = {1614D1A4-5C3D-4D5B-8C89-426E37A564EF}
 		{5FEA7500-0ACE-4C26-9A7B-2EB3958CBBC6} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
+		{00E708AA-402D-4BB5-AD88-348274F8E1DF} = {A9C514B9-1EE2-4A12-8E8A-CE16D87545C3}
 		{4F2926C8-43AB-4328-A735-D9EAD699F81D} = {ED7F28E0-D0AF-417D-983D-3D874EEE8554}
 		{5B56A734-D53C-4635-A53E-F889FCFCDD66} = {C564DDD6-DE79-45CD-88EA-3F690481572A}
 		{E8728693-3537-4007-A4DB-9F9634548755} = {E8AD265B-3C67-4640-AC58-A522F9FB3361}

diff --git a/eng/Versions.props b/eng/Versions.props
@@ -70,9 +70,9 @@
     <!-- Samsung/Tizen.NET -->
     <SamsungTizenSdkPackageVersion>8.0.148</SamsungTizenSdkPackageVersion>
     <!-- wasdk -->
-    <MicrosoftWindowsAppSDKPackageVersion>1.8.260508005</MicrosoftWindowsAppSDKPackageVersion>
-    <MicrosoftWindowsSDKBuildToolsPackageVersion>10.0.26100.4654</MicrosoftWindowsSDKBuildToolsPackageVersion>
-    <MicrosoftGraphicsWin2DPackageVersion>1.3.2</MicrosoftGraphicsWin2DPackageVersion>
+    <MicrosoftWindowsAppSDKPackageVersion>1.8.260529003</MicrosoftWindowsAppSDKPackageVersion>
+    <MicrosoftWindowsSDKBuildToolsPackageVersion>10.0.26100.8249</MicrosoftWindowsSDKBuildToolsPackageVersion>
+    <MicrosoftGraphicsWin2DPackageVersion>1.4.0</MicrosoftGraphicsWin2DPackageVersion>
     <MicrosoftWindowsWebView2PackageVersion>1.0.3179.45</MicrosoftWindowsWebView2PackageVersion>
     <!-- Everything else -->
     <MicrosoftAspNetCoreAuthorizationPackageVersion>10.0.0</MicrosoftAspNetCoreAuthorizationPackageVersion>

diff --git a/eng/cake/dotnet.cake b/eng/cake/dotnet.cake
@@ -273,6 +273,7 @@ Task("dotnet-test")
             "**/Resizetizer.UnitTests.csproj",
             "**/Graphics.Tests.csproj",
             "**/Compatibility.Core.UnitTests.csproj",
+            "**/MauiBlazorWebView.UnitTests.csproj",
         };
 
         var success = true;