diff --git a/NuGet.config b/NuGet.config
index 69668687ca..f519a75093 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -16,6 +16,7 @@
     <add key="dotnet5" value="https://dnceng.pkgs.visualstudio.com/public/_packaging/dotnet5/nuget/v3/index.json" />
     <add key="dotnet7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet7/nuget/v3/index.json" />
     <add key="dotnet8" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8/nuget/v3/index.json" />
+    <add key="dotnet8-transport" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8-transport/nuget/v3/index.json" />
     <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
     <add key="dotnet-public" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-public/nuget/v3/index.json" />
     <add key="vs-impl-archived" value="https://pkgs.dev.azure.com/azure-public/vside/_packaging/vs-impl-archived/nuget/v3/index.json" />
diff --git a/eng/SourceBuildPrebuiltBaseline.xml b/eng/SourceBuildPrebuiltBaseline.xml
index c1b6dfbf05..a76c88ab3c 100644
--- a/eng/SourceBuildPrebuiltBaseline.xml
+++ b/eng/SourceBuildPrebuiltBaseline.xml
@@ -1,5 +1,9 @@
 <UsageData>
   <IgnorePatterns>
-    <UsagePattern IdentityGlob="*/*" />
+    <UsagePattern IdentityGlob="Microsoft.SourceBuild.Intermediate.*/*" />
+
+    <!-- Tracked with https://github.com/microsoft/vstest/issues/4403 -->
+    <UsagePattern IdentityGlob="Microsoft.Internal.TestPlatform.Remote/17.6.33617.297" />
+    <UsagePattern IdentityGlob="Microsoft.Extensions.DependencyModel/3.0.0-preview4-27615-11" />
   </IgnorePatterns>
 </UsageData>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 6ba3d86bc4..387d9128e9 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -14,6 +14,16 @@
       <Sha>5ce78f66d89ea529e459abddb129ab36cb5bd936</Sha>
       <SourceBuild RepoName="diagnostics" ManagedOnly="true" />
     </Dependency>
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="8.0.0-alpha.1.23219.1">
+      <Uri>https://github.com/dotnet/source-build-externals</Uri>
+      <Sha>d1db09ce5c5a2aeab37d01336765861c0283f76f</Sha>
+      <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
+    </Dependency>
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-reference-packages" Version="8.0.0-alpha.1.23253.1">
+      <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
+      <Sha>08e096e0c5e9b1c5afd936301d4ecb929caebb1b</Sha>
+      <SourceBuild RepoName="source-build-reference-packages" ManagedOnly="true" />
+    </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
     <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.23226.4">
@@ -21,33 +31,10 @@
       <Sha>469dcc0cbcba5221727c8a5b9eec4a478e24a780</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="8.0.0-beta.23226.4">
-      <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>469dcc0cbcba5221727c8a5b9eec4a478e24a780</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.DotNet.SignTool" Version="8.0.0-beta.23226.4">
-      <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>469dcc0cbcba5221727c8a5b9eec4a478e24a780</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="8.0.0-beta.23226.4">
-      <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>469dcc0cbcba5221727c8a5b9eec4a478e24a780</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="8.0.0-beta.23226.4">
-      <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>469dcc0cbcba5221727c8a5b9eec4a478e24a780</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.DotNet.Maestro.Client" Version="1.1.0-beta.20074.1">
-      <Uri>https://github.com/dotnet/arcade-services</Uri>
-      <Sha>cd705029f2675970b42f9273ae359d0926c5e815</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.6.0-1.final">
+    <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.6.0-1.23107.10">
       <Uri>https://github.com/dotnet/roslyn</Uri>
-      <Sha>4b309dc5400e39a2eea09d82077737c1df5f347a</Sha>
-    </Dependency>
-    <Dependency Name="Microsoft.SourceLink" Version="1.0.0-beta2-19554-01">
-      <Uri>https://github.com/dotnet/sourcelink</Uri>
-      <Sha>afa9aa7032f810ad91d84857b95ad1d071192afa</Sha>
+      <Sha>50bd09a9eefdf9bc3653dbf6d9624b31a023c7c0</Sha>
+      <SourceBuild RepoName="roslyn" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.DiaSymReader.Pdb2Pdb" Version="1.1.0-beta2-19575-01">
       <Uri>https://github.com/dotnet/symreader-converter</Uri>
@@ -57,9 +44,15 @@
       <Uri>https://github.com/dotnet/symreader-converter</Uri>
       <Sha>c5ba7c88f92e2dde156c324a8c8edc04d9fa4fe0</Sha>
     </Dependency>
-    <Dependency Name="XliffTasks" Version="1.0.0-beta.21272.1">
+    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="1.0.0-beta.23218.1" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
       <Uri>https://github.com/dotnet/xliff-tasks</Uri>
-      <Sha>f5321d0c7b3f5e6103440fc017253bcdb50a0a26</Sha>
+      <Sha>f35dcbb16190810eb88b103fb1f2cd48a3a76cf0</Sha>
+      <SourceBuild RepoName="xliff-tasks" ManagedOnly="true" />
+    </Dependency>
+    <Dependency Name="Microsoft.SourceLink.GitHub" Version="8.0.0-beta.23218.3" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
+      <Uri>https://github.com/dotnet/sourcelink</Uri>
+      <Sha>47c52dd2ebf9edfd40abdcff999c13eb461f6ce2</Sha>
+      <SourceBuild RepoName="sourcelink" ManagedOnly="true" />
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 6abd782c13..e430486885 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -39,7 +39,7 @@
     <TestPlatformMSDiaVersion>17.6.33617.297</TestPlatformMSDiaVersion>
     <TestPlatformRemoteExternalsVersion>17.6.33617.297</TestPlatformRemoteExternalsVersion>
     <VSSdkBuildToolsVersion>17.4.2116</VSSdkBuildToolsVersion>
-    <MicrosoftNetCompilersToolsetVersion>4.6.0-1.final</MicrosoftNetCompilersToolsetVersion>
+    <MicrosoftNetCompilersToolsetVersion>4.6.0-1.23107.10</MicrosoftNetCompilersToolsetVersion>
   </PropertyGroup>
   <PropertyGroup Label="VSTest test settings">
     <!-- Name of the elements must be in sync with test\Microsoft.TestPlatform.TestUtilities\IntegrationTestBase.cs -->