diff --git a/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.Composite.sfxproj b/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.Composite.sfxproj
index 6e118063f32d..f70515ab14fa 100644
--- a/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.Composite.sfxproj
+++ b/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.Composite.sfxproj
@@ -31,14 +31,33 @@
     <AllowedReferenceRelatedFileExtensions>.pdb</AllowedReferenceRelatedFileExtensions>
 
     <PartialCompositeAssemblyListPath>PartialCompositeAssemblyListPath.txt</PartialCompositeAssemblyListPath>
+    <DisablePackageReferenceRestrictions>true</DisablePackageReferenceRestrictions>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <GetSharedFrameworkFilesForReadyToRunDependsOn>
+      $(GetSharedFrameworkFilesForReadyToRunDependsOn);
+      _AddExtensionsSymbolsToSymbolPack;
+    </GetSharedFrameworkFilesForReadyToRunDependsOn>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Internal.Runtime.AspNetCore.Transport"
+        Version="$(MicrosoftInternalRuntimeAspNetCoreTransportVersion)"
+        ExcludeAssets="All"
+        GeneratePathProperty="true" />
+  </ItemGroup>
+
   <ItemGroup>
     <Reference Include="@(AspNetCoreAppReference);@(AspNetCoreAppReferenceAndPackage);@(ExternalAspNetCoreAppReference)">
       <IncludeAssets>Runtime;Native</IncludeAssets>
     </Reference>
   </ItemGroup>
 
+  <ItemGroup>
+    <_AllExternalAspNetCoreAppReferences Include="@(ExternalAspNetCoreAppReference);@(_TransitiveExternalAspNetCoreAppReference)" />
+  </ItemGroup>
+
   <ItemGroup>
     <IgnoredDuplicateType Include="Microsoft.AspNetCore.Hosting.WebHostBuilderIISExtensions" />
     <IgnoredDuplicateType Include="Microsoft.Extensions.DependencyInjection.SignalRDependencyInjectionExtensions" />
@@ -86,6 +105,24 @@
         Include="$(ArtifactsBinDir)InProcessRequestHandler\$(NativePlatform)\$(Configuration)\aspnetcorev2_inprocess.pdb" />
   </ItemGroup>
 
+  <!-- Explicitly include symbols for libraries we redistribute from runtime -->
+  <Target Name="_AddExtensionsSymbolsToSymbolPack">
+    <!-- Flatten _AllExternalAspNetCoreAppReferences into a property -->
+    <PropertyGroup>
+      <FileNameList>@(_AllExternalAspNetCoreAppReferences, ';')</FileNameList>
+      <!-- Add trailing semicolon -->
+      <FileNameList>$(FileNameList);</FileNameList>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <_TransportPdbs Include="$(PkgMicrosoft_Internal_Runtime_AspNetCore_Transport)\**\*.pdb"
+          Exclude="$(PkgMicrosoft_Internal_Runtime_AspNetCore_Transport)\**\*.ni.pdb" />
+
+      <_SymbolFilesToPackage Include="@(_TransportPdbs)"
+          Condition="'$(FileNameList)' != '' and $(FileNameList.Contains('%(Filename);'))" />
+    </ItemGroup>
+  </Target>
+
   <Target Name="_WarnAboutUnbuiltNativeDependencies"
           BeforeTargets="Build"
           Condition=" '$(UseIisNativeAssets)' == 'true' AND !$(BuildNative) AND
diff --git a/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.sfxproj b/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.sfxproj
index b9434fb6e186..590895e2929c 100644
--- a/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.sfxproj
+++ b/src/Framework/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.sfxproj
@@ -50,11 +50,30 @@
     <GenerateVSInsertionPackages>true</GenerateVSInsertionPackages>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <GetSharedFrameworkFilesForReadyToRunDependsOn>
+      $(GetSharedFrameworkFilesForReadyToRunDependsOn);
+      _AddExtensionsSymbolsToSymbolPack;
+    </GetSharedFrameworkFilesForReadyToRunDependsOn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Internal.Runtime.AspNetCore.Transport"
+        Version="$(MicrosoftInternalRuntimeAspNetCoreTransportVersion)"
+        ExcludeAssets="All"
+        GeneratePathProperty="true" />
+  </ItemGroup>
+
   <ItemGroup>
     <Reference Include="@(AspNetCoreAppReference);@(AspNetCoreAppReferenceAndPackage);@(ExternalAspNetCoreAppReference)">
       <IncludeAssets>Runtime;Native</IncludeAssets>
     </Reference>
   </ItemGroup>
+
+  <ItemGroup>
+    <_AllExternalAspNetCoreAppReferences Include="@(ExternalAspNetCoreAppReference);@(_TransitiveExternalAspNetCoreAppReference)" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Condition="'$(GenerateInstallers)' == 'true'" Include="Microsoft.DotNet.Build.Tasks.Installers" Version="$(MicrosoftDotNetBuildTasksInstallersVersion)" />
     <LinuxPackageDependency Include="dotnet-runtime-$(DotnetRuntimeDependencyMajorMinorVersion)" Version="$(DotnetRuntimeDependencyVersion)" />
@@ -83,6 +102,24 @@
         Include="$(ArtifactsBinDir)InProcessRequestHandler\$(NativePlatform)\$(Configuration)\aspnetcorev2_inprocess.pdb" />
   </ItemGroup>
 
+  <!-- Explicitly include symbols for libraries we redistribute from runtime -->
+  <Target Name="_AddExtensionsSymbolsToSymbolPack">
+    <!-- Flatten _AllExternalAspNetCoreAppReferences into a property -->
+    <PropertyGroup>
+      <FileNameList>@(_AllExternalAspNetCoreAppReferences, ';')</FileNameList>
+      <!-- Add trailing semicolon -->
+      <FileNameList>$(FileNameList);</FileNameList>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <_TransportPdbs Include="$(PkgMicrosoft_Internal_Runtime_AspNetCore_Transport)\**\*.pdb"
+          Exclude="$(PkgMicrosoft_Internal_Runtime_AspNetCore_Transport)\**\*.ni.pdb" />
+
+      <_SymbolFilesToPackage Include="@(_TransportPdbs)"
+          Condition="'$(FileNameList)' != '' and $(FileNameList.Contains('%(Filename);'))" />
+    </ItemGroup>
+  </Target>
+
   <Target Name="_WarnAboutUnbuiltNativeDependencies"
           BeforeTargets="Build"
           Condition=" '$(UseIisNativeAssets)' == 'true' AND !$(BuildNative) AND