diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index a8b0c15d312..73744b03f65 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -8,30 +8,29 @@ This file should be imported by eng/Versions.props
     <!-- dotnet-dotnet dependencies -->
     <MicrosoftBuildFrameworkPackageVersion>15.9.20</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.9.20</MicrosoftBuildUtilitiesCorePackageVersion>
-    <MicrosoftDotNetArcadeSdkPackageVersion>11.0.0-beta.26315.110</MicrosoftDotNetArcadeSdkPackageVersion>
-    <MicrosoftDotNetCodeAnalysisPackageVersion>11.0.0-beta.26315.110</MicrosoftDotNetCodeAnalysisPackageVersion>
-    <MicrosoftDotNetGenAPIPackageVersion>11.0.0-beta.26315.110</MicrosoftDotNetGenAPIPackageVersion>
-    <MicrosoftDotNetHelixSdkPackageVersion>11.0.0-beta.26315.110</MicrosoftDotNetHelixSdkPackageVersion>
-    <MicrosoftDotnetWinFormsProjectTemplatesPackageVersion>11.0.0-preview.6.26315.110</MicrosoftDotnetWinFormsProjectTemplatesPackageVersion>
-    <MicrosoftNETCoreAppRefPackageVersion>11.0.0-preview.6.26315.110</MicrosoftNETCoreAppRefPackageVersion>
-    <MicrosoftNETCorePlatformsPackageVersion>11.0.0-preview.6.26315.110</MicrosoftNETCorePlatformsPackageVersion>
-    <MicrosoftPrivateWinformsPackageVersion>11.0.0-preview.6.26315.110</MicrosoftPrivateWinformsPackageVersion>
+    <MicrosoftDotNetArcadeSdkPackageVersion>11.0.0-beta.26319.105</MicrosoftDotNetArcadeSdkPackageVersion>
+    <MicrosoftDotNetCodeAnalysisPackageVersion>11.0.0-beta.26319.105</MicrosoftDotNetCodeAnalysisPackageVersion>
+    <MicrosoftDotNetGenAPIPackageVersion>11.0.0-beta.26319.105</MicrosoftDotNetGenAPIPackageVersion>
+    <MicrosoftDotNetHelixSdkPackageVersion>11.0.0-beta.26319.105</MicrosoftDotNetHelixSdkPackageVersion>
+    <MicrosoftDotnetWinFormsProjectTemplatesPackageVersion>11.0.0-preview.6.26319.105</MicrosoftDotnetWinFormsProjectTemplatesPackageVersion>
+    <MicrosoftNETCoreAppRefPackageVersion>11.0.0-preview.6.26319.105</MicrosoftNETCoreAppRefPackageVersion>
+    <MicrosoftPrivateWinformsPackageVersion>11.0.0-preview.6.26319.105</MicrosoftPrivateWinformsPackageVersion>
     <MicrosoftSourceLinkAzureReposGitPackageVersion>8.0.0-beta.23409.2</MicrosoftSourceLinkAzureReposGitPackageVersion>
     <MicrosoftSourceLinkGitHubPackageVersion>8.0.0-beta.23409.2</MicrosoftSourceLinkGitHubPackageVersion>
-    <SystemCodeDomPackageVersion>11.0.0-preview.6.26315.110</SystemCodeDomPackageVersion>
-    <SystemConfigurationConfigurationManagerPackageVersion>11.0.0-preview.6.26315.110</SystemConfigurationConfigurationManagerPackageVersion>
-    <SystemDiagnosticsEventLogPackageVersion>11.0.0-preview.6.26315.110</SystemDiagnosticsEventLogPackageVersion>
-    <SystemDirectoryServicesPackageVersion>11.0.0-preview.6.26315.110</SystemDirectoryServicesPackageVersion>
-    <SystemDrawingCommonPackageVersion>11.0.0-preview.6.26315.110</SystemDrawingCommonPackageVersion>
-    <SystemFormatsNrbfPackageVersion>11.0.0-preview.6.26315.110</SystemFormatsNrbfPackageVersion>
-    <SystemIOPackagingPackageVersion>11.0.0-preview.6.26315.110</SystemIOPackagingPackageVersion>
-    <SystemPrivateWindowsCoreTestUtilitiesPackageVersion>11.0.0-preview.6.26315.110</SystemPrivateWindowsCoreTestUtilitiesPackageVersion>
-    <SystemReflectionMetadataLoadContextPackageVersion>11.0.0-preview.6.26315.110</SystemReflectionMetadataLoadContextPackageVersion>
-    <SystemResourcesExtensionsPackageVersion>11.0.0-preview.6.26315.110</SystemResourcesExtensionsPackageVersion>
-    <SystemRuntimeSerializationFormattersPackageVersion>11.0.0-preview.6.26315.110</SystemRuntimeSerializationFormattersPackageVersion>
-    <SystemSecurityCryptographyXmlPackageVersion>11.0.0-preview.6.26315.110</SystemSecurityCryptographyXmlPackageVersion>
-    <SystemSecurityPermissionsPackageVersion>11.0.0-preview.6.26315.110</SystemSecurityPermissionsPackageVersion>
-    <SystemWindowsExtensionsPackageVersion>11.0.0-preview.6.26315.110</SystemWindowsExtensionsPackageVersion>
+    <SystemCodeDomPackageVersion>11.0.0-preview.6.26319.105</SystemCodeDomPackageVersion>
+    <SystemConfigurationConfigurationManagerPackageVersion>11.0.0-preview.6.26319.105</SystemConfigurationConfigurationManagerPackageVersion>
+    <SystemDiagnosticsEventLogPackageVersion>11.0.0-preview.6.26319.105</SystemDiagnosticsEventLogPackageVersion>
+    <SystemDirectoryServicesPackageVersion>11.0.0-preview.6.26319.105</SystemDirectoryServicesPackageVersion>
+    <SystemDrawingCommonPackageVersion>11.0.0-preview.6.26319.105</SystemDrawingCommonPackageVersion>
+    <SystemFormatsNrbfPackageVersion>11.0.0-preview.6.26319.105</SystemFormatsNrbfPackageVersion>
+    <SystemIOPackagingPackageVersion>11.0.0-preview.6.26319.105</SystemIOPackagingPackageVersion>
+    <SystemPrivateWindowsCoreTestUtilitiesPackageVersion>11.0.0-preview.6.26319.105</SystemPrivateWindowsCoreTestUtilitiesPackageVersion>
+    <SystemReflectionMetadataLoadContextPackageVersion>11.0.0-preview.6.26319.105</SystemReflectionMetadataLoadContextPackageVersion>
+    <SystemResourcesExtensionsPackageVersion>11.0.0-preview.6.26319.105</SystemResourcesExtensionsPackageVersion>
+    <SystemRuntimeSerializationFormattersPackageVersion>11.0.0-preview.6.26319.105</SystemRuntimeSerializationFormattersPackageVersion>
+    <SystemSecurityCryptographyXmlPackageVersion>11.0.0-preview.6.26319.105</SystemSecurityCryptographyXmlPackageVersion>
+    <SystemSecurityPermissionsPackageVersion>11.0.0-preview.6.26319.105</SystemSecurityPermissionsPackageVersion>
+    <SystemWindowsExtensionsPackageVersion>11.0.0-preview.6.26319.105</SystemWindowsExtensionsPackageVersion>
     <!-- dotnet-wpf-int dependencies -->
     <MicrosoftDotNetWpfDncEngPackageVersion>11.0.0-preview.2.26270.1</MicrosoftDotNetWpfDncEngPackageVersion>
   </PropertyGroup>
@@ -46,7 +45,6 @@ This file should be imported by eng/Versions.props
     <MicrosoftDotNetHelixSdkVersion>$(MicrosoftDotNetHelixSdkPackageVersion)</MicrosoftDotNetHelixSdkVersion>
     <MicrosoftDotnetWinFormsProjectTemplatesVersion>$(MicrosoftDotnetWinFormsProjectTemplatesPackageVersion)</MicrosoftDotnetWinFormsProjectTemplatesVersion>
     <MicrosoftNETCoreAppRefVersion>$(MicrosoftNETCoreAppRefPackageVersion)</MicrosoftNETCoreAppRefVersion>
-    <MicrosoftNETCorePlatformsVersion>$(MicrosoftNETCorePlatformsPackageVersion)</MicrosoftNETCorePlatformsVersion>
     <MicrosoftPrivateWinformsVersion>$(MicrosoftPrivateWinformsPackageVersion)</MicrosoftPrivateWinformsVersion>
     <MicrosoftSourceLinkAzureReposGitVersion>$(MicrosoftSourceLinkAzureReposGitPackageVersion)</MicrosoftSourceLinkAzureReposGitVersion>
     <MicrosoftSourceLinkGitHubVersion>$(MicrosoftSourceLinkGitHubPackageVersion)</MicrosoftSourceLinkGitHubVersion>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 2359ce6135e..e2ee149eb74 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,78 +1,74 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="wpf" Sha="370cd7b60d2dd85838d34e7e43a4622f3681d9a7" BarId="318763" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="wpf" Sha="b756a8d8a0e64905e16c81911bb09a8110bc3395" BarId="319511" />
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="Microsoft.Private.Winforms" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Reflection.MetadataLoadContext" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Reflection.MetadataLoadContext" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Windows.Extensions" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Windows.Extensions" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.NETCore.Platforms" Version="11.0.0-preview.6.26315.110">
-      <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="11.0.0-preview.2.26270.1">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
       <Sha>a6da41e859712fcb3f2e5ed3474bdf86b4e5046a</Sha>
     </Dependency>
-    <Dependency Name="System.Resources.Extensions" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Resources.Extensions" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Runtime.Serialization.Formatters" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Runtime.Serialization.Formatters" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App.Ref" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="Microsoft.NETCore.App.Ref" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.CodeDom" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.CodeDom" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Configuration.ConfigurationManager" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Configuration.ConfigurationManager" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Diagnostics.EventLog" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Diagnostics.EventLog" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.DirectoryServices" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.DirectoryServices" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Formats.Nrbf" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Formats.Nrbf" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.IO.Packaging" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.IO.Packaging" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Cryptography.Xml" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Security.Cryptography.Xml" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Security.Permissions" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Security.Permissions" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="System.Drawing.Common" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Drawing.Common" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Build.Framework" Version="15.9.20">
       <Uri>https://github.com/dotnet/dotnet</Uri>
@@ -84,21 +80,21 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26315.110">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.CodeAnalysis" Version="11.0.0-beta.26315.110">
+    <Dependency Name="Microsoft.DotNet.CodeAnalysis" Version="11.0.0-beta.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.26315.110">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="11.0.0-beta.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.GenAPI" Version="11.0.0-beta.26315.110">
+    <Dependency Name="Microsoft.DotNet.GenAPI" Version="11.0.0-beta.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
     <!-- TODO: Unpin sourcelink dependencies: https://github.com/dotnet/wpf/issues/11042 -->
     <Dependency Name="Microsoft.SourceLink.AzureRepos.Git" Version="8.0.0-beta.23409.2" Pinned="true">
@@ -109,9 +105,9 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>e9f665e52848a3615736c099e5631af531b66a5c</Sha>
     </Dependency>
-    <Dependency Name="System.Private.Windows.Core.TestUtilities" Version="11.0.0-preview.6.26315.110">
+    <Dependency Name="System.Private.Windows.Core.TestUtilities" Version="11.0.0-preview.6.26319.105">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>370cd7b60d2dd85838d34e7e43a4622f3681d9a7</Sha>
+      <Sha>b756a8d8a0e64905e16c81911bb09a8110bc3395</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/WpfArcadeSdk/tools/RuntimeFrameworkReference.targets b/eng/WpfArcadeSdk/tools/RuntimeFrameworkReference.targets
index 1c6c4a39b7c..84946323d75 100644
--- a/eng/WpfArcadeSdk/tools/RuntimeFrameworkReference.targets
+++ b/eng/WpfArcadeSdk/tools/RuntimeFrameworkReference.targets
@@ -1,17 +1,6 @@
 <Project>
-  <!-- 
-    Explicitly import Microsoft.NETCore.Platforms to prevent using the one from the SDK, which
-    usually lags behind the version that WPF gets from CoreFx packages
-  -->
-  <ItemGroup>
-    <PackageReference Include="Microsoft.NETCore.Platforms"
-                      Version="$(MicrosoftNETCorePlatformsVersion)"
-                      Condition="'$(MSBuildProjectExtension)'!='.vcxproj'"/>
-
-    <AdditionalPackageReference Include="Microsoft.NETCore.Platforms"
-                                Version="$(MicrosoftNETCorePlatformsVersion)"
-                                Condition="'$(ManagedCxx)'=='true'"/>
 
+  <ItemGroup>
     <!--
       Workaround - this should be removed when our tests are converted from Microsoft.NET.Sdk.WindowsDesktop => Microsoft.NET.Sdk
       project
diff --git a/eng/WpfArcadeSdk/tools/Wpf.Cpp.targets b/eng/WpfArcadeSdk/tools/Wpf.Cpp.targets
index d98a8708e26..b485c934423 100644
--- a/eng/WpfArcadeSdk/tools/Wpf.Cpp.targets
+++ b/eng/WpfArcadeSdk/tools/Wpf.Cpp.targets
@@ -353,16 +353,6 @@ using namespace System::Runtime::Versioning;
        <AdditionalNugetIds Remove="%40(AdditionalNugetIds)" />
        <AdditionalNugetIds Include="%24([System.String]::Copy('%25(_AdditionalPackages.Identity)').Split('+')[0])" />
      </ItemGroup>
-
-     <!-- 
-      Removing the Microsoft.NETCore.Platforms directly and then 
-      adding it again to remove the duplicate reference.
-     -->
-     <ItemGroup>
-        <PackageReference Remove="Microsoft.NETCore.Platforms" />   
-        <PackageReference Include="Microsoft.NETCore.Platforms" 
-                      Version="$(MicrosoftNETCorePlatformsVersion)" />
-     </ItemGroup> 
   </Target>
 
 <Target
diff --git a/eng/common/build.ps1 b/eng/common/build.ps1
index 4b4f6b0923f..2cbb725323e 100644
--- a/eng/common/build.ps1
+++ b/eng/common/build.ps1
@@ -173,7 +173,11 @@ try {
     if (-not $excludeCIBinarylog) {
       $binaryLog = $true
     }
-    $nodeReuse = $false
+    # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if ($env:MSBUILD_NODEREUSE_ENABLED -ne "1") {
+      $nodeReuse = $false
+    }
   }
 
   if (-not [string]::IsNullOrEmpty($binaryLogName)) {
diff --git a/eng/common/build.sh b/eng/common/build.sh
index 719ee4b5874..3a9fdcfd0f5 100755
--- a/eng/common/build.sh
+++ b/eng/common/build.sh
@@ -213,7 +213,11 @@ if [[ -z "$configuration" ]]; then
 fi
 
 if [[ "$ci" == true ]]; then
-  node_reuse=false
+  # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+  # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+  if [[ "${MSBUILD_NODEREUSE_ENABLED:-}" != "1" ]]; then
+    node_reuse=false
+  fi
   if [[ "$exclude_ci_binary_log" == false ]]; then
     binary_log=true
   fi
diff --git a/eng/common/msbuild.ps1 b/eng/common/msbuild.ps1
index f041e5ddd95..495d533a909 100644
--- a/eng/common/msbuild.ps1
+++ b/eng/common/msbuild.ps1
@@ -14,7 +14,11 @@ Param(
 
 try {
   if ($ci) {
-    $nodeReuse = $false
+    # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if ($env:MSBUILD_NODEREUSE_ENABLED -ne "1") {
+      $nodeReuse = $false
+    }
   }
 
   MSBuild @extraArgs
diff --git a/eng/common/msbuild.sh b/eng/common/msbuild.sh
index 20d3dad5435..333be3232fc 100755
--- a/eng/common/msbuild.sh
+++ b/eng/common/msbuild.sh
@@ -51,7 +51,11 @@ done
 . "$scriptroot/tools.sh"
 
 if [[ "$ci" == true ]]; then
-  node_reuse=false
+  # Disable node reuse on CI unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+  # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+  if [[ "${MSBUILD_NODEREUSE_ENABLED:-}" != "1" ]]; then
+    node_reuse=false
+  fi
 fi
 
 MSBuild $extra_args
diff --git a/eng/common/native/NativeAotSupported.props b/eng/common/native/NativeAotSupported.props
new file mode 100644
index 00000000000..559a6663929
--- /dev/null
+++ b/eng/common/native/NativeAotSupported.props
@@ -0,0 +1,26 @@
+<Project>
+  <PropertyGroup>
+
+    <!-- Reject unsupported OS via RID prefix match -->
+    <_NativeAotSupportedOS Condition="
+      '$(TargetOS)' != 'browser' and
+      '$(TargetOS)' != 'haiku' and
+      '$(TargetOS)' != 'illumos' and
+      '$(TargetOS)' != 'netbsd' and
+      '$(TargetOS)' != 'solaris'
+    ">true</_NativeAotSupportedOS>
+
+    <!-- Reject unsupported architectures via RID suffix match -->
+    <_NativeAotSupportedArch Condition="
+      '$(TargetArchitecture)' != 'wasm' and
+      ('$(TargetArchitecture)' != 'x86' or '$(TargetOS)' == 'windows')
+    ">true</_NativeAotSupportedArch>
+
+    <NativeAotSupported Condition="
+      '$(NativeAotSupported)' == '' and
+      '$(_NativeAotSupportedOS)' == 'true' and
+      '$(_NativeAotSupportedArch)' == 'true'
+    ">true</NativeAotSupported>
+
+  </PropertyGroup>
+</Project>
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index fc72fe63049..de32a6da377 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -742,7 +742,9 @@ function MSBuild() {
       ExitWithExitCode 1
     }
 
-    if ($nodeReuse) {
+    # Node reuse must be disabled in CI builds unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if ($nodeReuse -and $env:MSBUILD_NODEREUSE_ENABLED -ne "1") {
       Write-PipelineTelemetryError -Category 'Build' -Message 'Node reuse must be disabled in CI build.'
       ExitWithExitCode 1
     }
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 48cab70ebf4..05f9edd0aae 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -497,7 +497,9 @@ function MSBuild {
       ExitWithExitCode 1
     fi
 
-    if [[ "$node_reuse" == true ]]; then
+    # Node reuse must be disabled in CI builds unless explicitly opted in via MSBUILD_NODEREUSE_ENABLED.
+    # Internal testing only; this env var will be replaced with a switch (https://github.com/dotnet/arcade/issues/17013) and must not be depended on.
+    if [[ "$node_reuse" == true && "${MSBUILD_NODEREUSE_ENABLED:-}" != "1" ]]; then
       Write-PipelineTelemetryError -category 'Build'  "Node reuse must be disabled in CI build."
       ExitWithExitCode 1
     fi
diff --git a/global.json b/global.json
index ec67c2e988d..fec45476bdf 100644
--- a/global.json
+++ b/global.json
@@ -13,10 +13,10 @@
     "dotnet": "11.0.100-preview.5.26227.104",
     "runtimes": {
       "dotnet/x64": [
-        "$(MicrosoftNETCorePlatformsVersion)"
+        "$(MicrosoftNETCoreAppRefVersion)"
       ],
       "dotnet/x86": [
-        "$(MicrosoftNETCorePlatformsVersion)"
+        "$(MicrosoftNETCoreAppRefVersion)"
       ]
     },
     "vs": {
@@ -27,8 +27,8 @@
     "runner": "Microsoft.Testing.Platform"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.26315.110",
-    "Microsoft.DotNet.Helix.Sdk": "11.0.0-beta.26315.110",
+    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.26319.105",
+    "Microsoft.DotNet.Helix.Sdk": "11.0.0-beta.26319.105",
     "Microsoft.Build.NoTargets": "3.7.56"
   },
   "native-tools": {