diff --git a/NuGet.config b/NuGet.config
index 7bb82890ac..002dc1e1f0 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -3,11 +3,11 @@
   <packageSources>
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
-    <add key="darc-pub-microsoft-msbuild-0f4c62f-1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-microsoft-msbuild-0f4c62fe-1/nuget/v3/index.json" />
+    <add key="darc-pub-microsoft-msbuild-e481bbf" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-microsoft-msbuild-e481bbf8/nuget/v3/index.json" />
     <add key="darc-pub-dotnet-standard-a5b5f2e" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-standard-a5b5f2e1/nuget/v3/index.json" />
-    <add key="darc-pub-aspnet-Extensions-0b951c1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-Extensions-0b951c16/nuget/v3/index.json" />
-    <add key="darc-pub-aspnet-AspNetCore-Tooling-16b0ca4" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-AspNetCore-Tooling-16b0ca4a/nuget/v3/index.json" />
-    <add key="darc-pub-aspnet-AspNetCore-aee5e40" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-AspNetCore-aee5e408/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-Extensions-7dbc3eb" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-Extensions-7dbc3ebd/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-AspNetCore-Tooling-7471a3d" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-AspNetCore-Tooling-7471a3da/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-AspNetCore-22dedcb" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-AspNetCore-22dedcb2/nuget/v3/index.json" />
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
     <add key="nuget-build" value="https://dotnet.myget.org/F/nuget-build/api/v3/index.json" />
diff --git a/dir.props b/dir.props
index 8b1c59227b..6cc0c62793 100644
--- a/dir.props
+++ b/dir.props
@@ -10,7 +10,7 @@
     <PortableBuild Condition="'$(OS)' == 'Windows_NT'">true</PortableBuild>
     <PortableBuild Condition="'$(PortableBuild)' == ''">false</PortableBuild>
     <UseSystemLibraries Condition="'$(UseSystemLibraries)' == '' AND '$(PortableBuild)' != 'true'">true</UseSystemLibraries>
-    <UseStableVersions Condition="'$(UseStableVersions)' == ''">false</UseStableVersions>
+    <UseStableVersions Condition="'$(UseStableVersions)' == ''">true</UseStableVersions>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -193,12 +193,14 @@
     <!-- same thing here for CLI -->
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimewinx64Version" Version="$(coresetupOutputPackageVersion)" />
     <!-- same thing here for toolset -->
-    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimewinx64PackageVersion" Version="$(coresetupOutputPackageVersion)" />
+    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimewinx64PackageVersion" Version="%24(MicrosoftNETCoreDotNetAppHostPackageVersion)" />
     <!-- same thing here for core-sdk -->
-    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimePackageVersion" Version="%24(MicrosoftNETCoreAppVersion)" />
-    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimeVersion" Version="%24(MicrosoftNETCoreAppVersion)" />
+    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimePackageVersion" Version="%24(MicrosoftNETCoreDotNetAppHostPackageVersion)" />
+    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimeVersion" Version="%24(MicrosoftNETCoreDotNetAppHostPackageVersion)" />
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppHostPackageVersion" Version="%24(MicrosoftNETCoreDotNetAppHostPackageVersion)" />
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftAspNetCoreAppRuntimePackageVersion" Version="%24(MicrosoftAspNetCoreAppRuntimeLinuxX64PackageVersion)" />
+    <!-- core-sdk uses this property for ASP.NET blob directory -->
+    <ExtraPackageVersionPropsPackageInfo Include="VSRedistCommonAspNetCoreTargetingPackx6430PackageVersion" Version="$(aspnetcoreOutputPackageVersion)" />
     <!-- OSX needs the OSX version instead of Linux.  We don't have a lot of flexibility in how we output these properties so we're relying on the previous one being blank if the Linux version of the package is missing.  -->
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftAspNetCoreAppRuntimePackageVersion" Version="%24(MicrosoftAspNetCoreAppRuntimeOsxX64PackageVersion)" DoNotOverwrite="true" />
   </ItemGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index d36132d646..0e802b429f 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -27,25 +27,25 @@
       <Sha>1127689f262d52ea8ff68ef03d706fa62b3b40a1</Sha>
       <RepoName>linker</RepoName>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.Runtime.CoreCLR" Version="3.0.1-servicing.19475.2" CoherentParentDependency="Microsoft.Private.CoreFx.NETCoreApp">
+    <Dependency Name="Microsoft.NETCore.Runtime.CoreCLR" Version="3.0.1-servicing.19515.2" CoherentParentDependency="Microsoft.NETCore.App.Internal">
       <Uri>https://github.com/dotnet/coreclr</Uri>
-      <Sha>68ff240063fc2ddb9b03275ae5d5063a09d38ace</Sha>
+      <Sha>ecfe3bca7cfbd413415af9d2bcccb5f9a361f962</Sha>
     </Dependency>
     <Dependency Name="NETStandard.Library" Version="2.1.0" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
       <Uri>https://github.com/dotnet/standard</Uri>
       <Sha>a5b5f2e1e369972c8ff1e2183979fab6099f52ef</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="4.6.0-servicing.19501.4" CoherentParentDependency="Microsoft.NETCore.App">
+    <Dependency Name="Microsoft.Private.CoreFx.NETCoreApp" Version="4.6.0-servicing.19516.9" CoherentParentDependency="Microsoft.NETCore.App.Internal">
       <Uri>https://github.com/dotnet/corefx</Uri>
-      <Sha>54d63c3e283e0c3937a35ab4e99f391c84ff119e</Sha>
+      <Sha>c1778515a3bee34cc09c757b5563d0af0c8b1e99</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.1-servicing-19502-09" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
+    <Dependency Name="Microsoft.NETCore.App.Internal" Version="3.0.1-servicing-19516-12" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>0bdbe6b3a7caf32a4f594196effe56a941980d7b</Sha>
+      <Sha>32085cbc728e1016c9d6a7bc105845f0f9eb6b47</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.AspNetCore.Mvc.Razor.Extensions" Version="3.0.0" CoherentParentDependency="Microsoft.AspNetCore.App.Ref">
+    <Dependency Name="Microsoft.AspNetCore.Mvc.Razor.Extensions" Version="3.0.1" CoherentParentDependency="Microsoft.AspNetCore.App.Ref">
       <Uri>https://github.com/aspnet/AspNetCore-Tooling</Uri>
-      <Sha>16b0ca4a5838c39c8852e6cf144232597e2bee2e</Sha>
+      <Sha>7471a3daf7ba17c22da59cf5815ff1a2b9926bcf</Sha>
       <RepoName>aspnetcore-tooling</RepoName>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Common.ItemTemplates" Version="3.0.1-servicing.19476.1" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
@@ -56,23 +56,23 @@
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>66a912c9463eebe832cf742d2fe8bb2e1a4600ec</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Build" Version="16.3.0" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
+    <Dependency Name="Microsoft.Build" Version="16.3.2" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/microsoft/msbuild</Uri>
-      <Sha>0f4c62feac0a5726f63b56472de7b1c1527459fc</Sha>
+      <Sha>e481bbf88fd4a406cc8a98c2f46e9bda8e76be69</Sha>
     </Dependency>
-    <Dependency Name="NuGet.Build.Tasks" Version="5.3.0-rtm.6251" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
+    <Dependency Name="NuGet.Build.Tasks" Version="5.3.1-rtm.6268" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/NuGet/NuGet.Client</Uri>
-      <Sha>b75150f2f4127a77a166c9552845e86fb24a3282</Sha>
+      <Sha>f2c670b0b7cdc018dc708666b2d58699d9654e42</Sha>
       <RepoName>nuget-client</RepoName>
     </Dependency>
-    <Dependency Name="Microsoft.Extensions.Logging" Version="3.0.0" CoherentParentDependency="Microsoft.AspNetCore.Mvc.Razor.Extensions">
+    <Dependency Name="Microsoft.Extensions.Logging" Version="3.0.1" CoherentParentDependency="Microsoft.AspNetCore.Mvc.Razor.Extensions">
       <Uri>https://github.com/aspnet/Extensions</Uri>
-      <Sha>0b951c16de0f39e13cce8372e11c28eb90576662</Sha>
+      <Sha>7dbc3ebd20c79ecf311c768be865c02ff4676836</Sha>
       <RepoName>aspnet-extensions</RepoName>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Sdk" Version="3.0.101-servicing.19477.3" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
+    <Dependency Name="Microsoft.NET.Sdk" Version="3.0.101-servicing.19529.1" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/dotnet/sdk</Uri>
-      <Sha>3819a21a612cd8bc15b6f6c4e361d18490469577</Sha>
+      <Sha>5c9dd04241f307f1aa6b3643d5e07ea89a1dad4a</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Cli.CommandLine" Version="1.0.0-preview.19208.1" CoherentParentDependency="Microsoft.DotNet.Cli.Runtime">
       <Uri>https://github.com/dotnet/cliCommandLineParser</Uri>
@@ -89,34 +89,34 @@
       <Uri>https://github.com/dotnet/xliff-tasks</Uri>
       <Sha>173ee3bd61c9549557eefa3cfb718bdef157cb87</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.0.0" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
+    <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="3.0.1" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
       <Uri>https://github.com/aspnet/AspNetCore</Uri>
-      <Sha>aee5e4080331553ea9dfb7fb388b6d72f715bf6a</Sha>
+      <Sha>22dedcb2f0de59022e0383e1f05c9caffc708522</Sha>
       <RepoName>aspnetcore</RepoName>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Cli.Runtime" Version="3.0.101-servicing.19503.4" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
+    <Dependency Name="Microsoft.DotNet.Cli.Runtime" Version="3.0.101-servicing.19554.2" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/dotnet/cli</Uri>
-      <Sha>2bb5a58198c6d96aae157ea3a119867b57cd839d</Sha>
+      <Sha>3df3c6d5406e217c5dc7ea1cdd4abffbc9eea3ea</Sha>
     </Dependency>
     <Dependency Name="Microsoft.FSharp.Compiler" Version="10.6.0-beta.19454.10" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/dotnet/fsharp</Uri>
       <Sha>0422ff293bb2cc722fe5021b85ef50378a9af823</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Sdk.Web" Version="3.0.100-rc2.19507.2" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
+    <Dependency Name="Microsoft.NET.Sdk.Web" Version="3.0.100-rc2.19554.4" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/aspnet/websdk</Uri>
-      <Sha>9b65fe8b178d2ad73482080c6a0aabae911e1224</Sha>
+      <Sha>389b280e262b5f74e8d08cd5c784d4ba18e2fe4d</Sha>
     </Dependency>
     <Dependency Name="Microsoft.TestPlatform.Build" Version="16.3.0" CoherentParentDependency="Microsoft.Dotnet.Toolset.Internal">
       <Uri>https://github.com/microsoft/vstest</Uri>
       <Sha>55e7e45431c9c05656c999b902686e7402664573</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.101-servicing.19508.1" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
+    <Dependency Name="Microsoft.Dotnet.Toolset.Internal" Version="3.0.101-servicing.19554.11" CoherentParentDependency="Microsoft.Dotnet.Sdk.Internal">
       <Uri>https://github.com/dotnet/toolset</Uri>
-      <Sha>6a8609fc2c10ee908977238e5c6bc48b926491da</Sha>
+      <Sha>4742a2d9c56b249808bab066a12a50554377a90b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.Sdk.Internal" Version="1.0.0-preview.19508.2">
+    <Dependency Name="Microsoft.Dotnet.Sdk.Internal" Version="1.0.0-preview.19557.1">
       <Uri>https://github.com/dotnet/core-sdk</Uri>
-      <Sha>f08e8bc516c2d598c8b0fba247bf8eac5e329a91</Sha>
+      <Sha>ec736cbd54dc2b75a36acda4a7c00e4b99c7d094</Sha>
     </Dependency>
     <!-- external dependencies, not handled by Maestro/Arcade -->
     <Dependency Name="Newtonsoft.Json" Version="12.0.2">
diff --git a/patches/aspnet-extensions/0001-Target-framework-changes.patch b/patches/aspnet-extensions/0001-Target-framework-changes.patch
index 6c10ab9461..e02f86522d 100644
--- a/patches/aspnet-extensions/0001-Target-framework-changes.patch
+++ b/patches/aspnet-extensions/0001-Target-framework-changes.patch
@@ -1,13 +1,36 @@
-From 26f24a8098a344cc1edc9f7136643c3678819a58 Mon Sep 17 00:00:00 2001
+From b3714fd0f8007eee0fca27951a261b810f683b32 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Thu, 12 Sep 2019 00:20:10 -0500
 Subject: [PATCH] Target framework changes
 
 ---
+ .../ref/Microsoft.Extensions.Caching.Abstractions.csproj      | 4 ++--
+ .../src/Microsoft.Extensions.Caching.Abstractions.csproj      | 2 +-
  .../Memory/ref/Microsoft.Extensions.Caching.Memory.csproj     | 4 ++--
+ .../Microsoft.Extensions.Configuration.Abstractions.csproj    | 4 ++--
+ .../Microsoft.Extensions.Configuration.Abstractions.csproj    | 2 +-
+ .../ref/Microsoft.Extensions.Configuration.Binder.csproj      | 4 ++--
+ .../ref/Microsoft.Extensions.Configuration.CommandLine.csproj | 4 ++--
+ ...osoft.Extensions.Configuration.EnvironmentVariables.csproj | 4 ++--
+ .../Microsoft.Extensions.Configuration.FileExtensions.csproj  | 4 ++--
+ .../ref/Microsoft.Extensions.Configuration.Ini.csproj         | 4 ++--
+ .../ref/Microsoft.Extensions.Configuration.Json.csproj        | 4 ++--
+ .../ref/Microsoft.Extensions.Configuration.KeyPerFile.csproj  | 4 ++--
+ .../ref/Microsoft.Extensions.Configuration.UserSecrets.csproj | 4 ++--
+ .../ref/Microsoft.Extensions.Configuration.Xml.csproj         | 4 ++--
+ .../Config/ref/Microsoft.Extensions.Configuration.csproj      | 4 ++--
+ .../Microsoft.Extensions.FileProviders.Abstractions.csproj    | 4 ++--
+ .../ref/Microsoft.Extensions.FileProviders.Composite.csproj   | 4 ++--
+ .../ref/Microsoft.Extensions.FileProviders.Embedded.csproj    | 4 ++--
+ .../ref/Microsoft.Extensions.FileProviders.Physical.csproj    | 4 ++--
  .../ref/Microsoft.Extensions.Diagnostics.HealthChecks.csproj  | 4 ++--
+ .../ref/Microsoft.Extensions.Hosting.Abstractions.csproj      | 4 ++--
+ .../src/Microsoft.Extensions.Hosting.Abstractions.csproj      | 2 +-
  src/Hosting/Hosting/ref/Microsoft.Extensions.Hosting.csproj   | 4 ++--
  .../Http/ref/Microsoft.Extensions.Http.csproj                 | 4 ++--
+ .../Microsoft.JSInterop/ref/Microsoft.JSInterop.csproj        | 4 ++--
+ .../Microsoft.JSInterop/src/Microsoft.JSInterop.csproj        | 2 +-
+ .../ref/Mono.WebAssembly.Interop.csproj                       | 4 ++--
  .../Localization/ref/Microsoft.Extensions.Localization.csproj | 4 ++--
  .../ref/Microsoft.Extensions.Logging.Configuration.csproj     | 4 ++--
  .../ref/Microsoft.Extensions.Logging.Console.csproj           | 4 ++--
@@ -16,12 +39,45 @@ Subject: [PATCH] Target framework changes
  .../ref/Microsoft.Extensions.Logging.EventSource.csproj       | 4 ++--
  .../ref/Microsoft.Extensions.Logging.TraceSource.csproj       | 4 ++--
  src/Logging/Logging/ref/Microsoft.Extensions.Logging.csproj   | 4 ++--
+ src/Logging/Logging/src/Microsoft.Extensions.Logging.csproj   | 2 +-
  ...icrosoft.Extensions.Options.ConfigurationExtensions.csproj | 4 ++--
  .../ref/Microsoft.Extensions.Options.DataAnnotations.csproj   | 4 ++--
  src/Options/Options/ref/Microsoft.Extensions.Options.csproj   | 4 ++--
+ src/Options/Options/src/Microsoft.Extensions.Options.csproj   | 2 +-
+ src/Primitives/ref/Microsoft.Extensions.Primitives.csproj     | 4 ++--
+ src/Primitives/src/Microsoft.Extensions.Primitives.csproj     | 2 +-
  src/WebEncoders/ref/Microsoft.Extensions.WebEncoders.csproj   | 4 ++--
- 16 files changed, 32 insertions(+), 32 deletions(-)
+ 43 files changed, 79 insertions(+), 79 deletions(-)
 
+diff --git a/src/Caching/Abstractions/ref/Microsoft.Extensions.Caching.Abstractions.csproj b/src/Caching/Abstractions/ref/Microsoft.Extensions.Caching.Abstractions.csproj
+index 9ab2457b4..0c229f3f9 100644
+--- a/src/Caching/Abstractions/ref/Microsoft.Extensions.Caching.Abstractions.csproj
++++ b/src/Caching/Abstractions/ref/Microsoft.Extensions.Caching.Abstractions.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Caching.Abstractions.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Primitives"  />
+   </ItemGroup>
+diff --git a/src/Caching/Abstractions/src/Microsoft.Extensions.Caching.Abstractions.csproj b/src/Caching/Abstractions/src/Microsoft.Extensions.Caching.Abstractions.csproj
+index 3ff41adc1..12606ab19 100644
+--- a/src/Caching/Abstractions/src/Microsoft.Extensions.Caching.Abstractions.csproj
++++ b/src/Caching/Abstractions/src/Microsoft.Extensions.Caching.Abstractions.csproj
+@@ -6,7 +6,7 @@ Commonly used types:
+ Microsoft.Extensions.Caching.Distributed.IDistributedCache
+ Microsoft.Extensions.Caching.Memory.IMemoryCache</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <NoWarn>$(NoWarn);CS1591</NoWarn>
+     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+     <PackageTags>cache;memorycache;distributedcache</PackageTags>
 diff --git a/src/Caching/Memory/ref/Microsoft.Extensions.Caching.Memory.csproj b/src/Caching/Memory/ref/Microsoft.Extensions.Caching.Memory.csproj
 index 6908d1a59..48fe1344d 100644
 --- a/src/Caching/Memory/ref/Microsoft.Extensions.Caching.Memory.csproj
@@ -38,6 +94,259 @@ index 6908d1a59..48fe1344d 100644
      <Compile Include="Microsoft.Extensions.Caching.Memory.netstandard2.0.cs" />
      <Reference Include="Microsoft.Extensions.Caching.Abstractions"  />
      <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions"  />
+diff --git a/src/Configuration/Config.Abstractions/ref/Microsoft.Extensions.Configuration.Abstractions.csproj b/src/Configuration/Config.Abstractions/ref/Microsoft.Extensions.Configuration.Abstractions.csproj
+index 6b574ec3b..e39a90baa 100644
+--- a/src/Configuration/Config.Abstractions/ref/Microsoft.Extensions.Configuration.Abstractions.csproj
++++ b/src/Configuration/Config.Abstractions/ref/Microsoft.Extensions.Configuration.Abstractions.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.Abstractions.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Primitives"  />
+   </ItemGroup>
+diff --git a/src/Configuration/Config.Abstractions/src/Microsoft.Extensions.Configuration.Abstractions.csproj b/src/Configuration/Config.Abstractions/src/Microsoft.Extensions.Configuration.Abstractions.csproj
+index ce441b5ff..33b07c784 100644
+--- a/src/Configuration/Config.Abstractions/src/Microsoft.Extensions.Configuration.Abstractions.csproj
++++ b/src/Configuration/Config.Abstractions/src/Microsoft.Extensions.Configuration.Abstractions.csproj
+@@ -2,7 +2,7 @@
+ 
+   <PropertyGroup>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <Description>Abstractions of key-value pair based configuration.
+ Commonly used types:
+ Microsoft.Extensions.Configuration.IConfiguration
+diff --git a/src/Configuration/Config.Binder/ref/Microsoft.Extensions.Configuration.Binder.csproj b/src/Configuration/Config.Binder/ref/Microsoft.Extensions.Configuration.Binder.csproj
+index 76f59c4ff..a7155b1d7 100644
+--- a/src/Configuration/Config.Binder/ref/Microsoft.Extensions.Configuration.Binder.csproj
++++ b/src/Configuration/Config.Binder/ref/Microsoft.Extensions.Configuration.Binder.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.Binder.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+   </ItemGroup>
+diff --git a/src/Configuration/Config.CommandLine/ref/Microsoft.Extensions.Configuration.CommandLine.csproj b/src/Configuration/Config.CommandLine/ref/Microsoft.Extensions.Configuration.CommandLine.csproj
+index 22f21ba0a..467e1c208 100644
+--- a/src/Configuration/Config.CommandLine/ref/Microsoft.Extensions.Configuration.CommandLine.csproj
++++ b/src/Configuration/Config.CommandLine/ref/Microsoft.Extensions.Configuration.CommandLine.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.CommandLine.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+   </ItemGroup>
+diff --git a/src/Configuration/Config.EnvironmentVariables/ref/Microsoft.Extensions.Configuration.EnvironmentVariables.csproj b/src/Configuration/Config.EnvironmentVariables/ref/Microsoft.Extensions.Configuration.EnvironmentVariables.csproj
+index dca01be4f..969561f3c 100644
+--- a/src/Configuration/Config.EnvironmentVariables/ref/Microsoft.Extensions.Configuration.EnvironmentVariables.csproj
++++ b/src/Configuration/Config.EnvironmentVariables/ref/Microsoft.Extensions.Configuration.EnvironmentVariables.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.EnvironmentVariables.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+   </ItemGroup>
+diff --git a/src/Configuration/Config.FileExtensions/ref/Microsoft.Extensions.Configuration.FileExtensions.csproj b/src/Configuration/Config.FileExtensions/ref/Microsoft.Extensions.Configuration.FileExtensions.csproj
+index 6b0454854..3d0a1b45d 100644
+--- a/src/Configuration/Config.FileExtensions/ref/Microsoft.Extensions.Configuration.FileExtensions.csproj
++++ b/src/Configuration/Config.FileExtensions/ref/Microsoft.Extensions.Configuration.FileExtensions.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.FileExtensions.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+     <Reference Include="Microsoft.Extensions.FileProviders.Physical"  />
+diff --git a/src/Configuration/Config.Ini/ref/Microsoft.Extensions.Configuration.Ini.csproj b/src/Configuration/Config.Ini/ref/Microsoft.Extensions.Configuration.Ini.csproj
+index e5936f87e..42ef0c3f7 100644
+--- a/src/Configuration/Config.Ini/ref/Microsoft.Extensions.Configuration.Ini.csproj
++++ b/src/Configuration/Config.Ini/ref/Microsoft.Extensions.Configuration.Ini.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.Ini.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+     <Reference Include="Microsoft.Extensions.Configuration.FileExtensions"  />
+diff --git a/src/Configuration/Config.Json/ref/Microsoft.Extensions.Configuration.Json.csproj b/src/Configuration/Config.Json/ref/Microsoft.Extensions.Configuration.Json.csproj
+index 2203dcc04..588cec7f1 100644
+--- a/src/Configuration/Config.Json/ref/Microsoft.Extensions.Configuration.Json.csproj
++++ b/src/Configuration/Config.Json/ref/Microsoft.Extensions.Configuration.Json.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.Json.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+     <Reference Include="Microsoft.Extensions.Configuration.FileExtensions"  />
+diff --git a/src/Configuration/Config.KeyPerFile/ref/Microsoft.Extensions.Configuration.KeyPerFile.csproj b/src/Configuration/Config.KeyPerFile/ref/Microsoft.Extensions.Configuration.KeyPerFile.csproj
+index 4e074ab49..73390be01 100644
+--- a/src/Configuration/Config.KeyPerFile/ref/Microsoft.Extensions.Configuration.KeyPerFile.csproj
++++ b/src/Configuration/Config.KeyPerFile/ref/Microsoft.Extensions.Configuration.KeyPerFile.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.KeyPerFile.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+     <Reference Include="Microsoft.Extensions.FileProviders.Physical"  />
+diff --git a/src/Configuration/Config.UserSecrets/ref/Microsoft.Extensions.Configuration.UserSecrets.csproj b/src/Configuration/Config.UserSecrets/ref/Microsoft.Extensions.Configuration.UserSecrets.csproj
+index 4d40549a3..126b33055 100644
+--- a/src/Configuration/Config.UserSecrets/ref/Microsoft.Extensions.Configuration.UserSecrets.csproj
++++ b/src/Configuration/Config.UserSecrets/ref/Microsoft.Extensions.Configuration.UserSecrets.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.UserSecrets.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration.Json"  />
+   </ItemGroup>
+diff --git a/src/Configuration/Config.Xml/ref/Microsoft.Extensions.Configuration.Xml.csproj b/src/Configuration/Config.Xml/ref/Microsoft.Extensions.Configuration.Xml.csproj
+index fb1df3e6c..4df3ae8fe 100644
+--- a/src/Configuration/Config.Xml/ref/Microsoft.Extensions.Configuration.Xml.csproj
++++ b/src/Configuration/Config.Xml/ref/Microsoft.Extensions.Configuration.Xml.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.Xml.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration"  />
+     <Reference Include="Microsoft.Extensions.Configuration.FileExtensions"  />
+diff --git a/src/Configuration/Config/ref/Microsoft.Extensions.Configuration.csproj b/src/Configuration/Config/ref/Microsoft.Extensions.Configuration.csproj
+index 5cfa71396..810622a83 100644
+--- a/src/Configuration/Config/ref/Microsoft.Extensions.Configuration.csproj
++++ b/src/Configuration/Config/ref/Microsoft.Extensions.Configuration.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Configuration.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration.Abstractions"  />
+   </ItemGroup>
+diff --git a/src/FileProviders/Abstractions/ref/Microsoft.Extensions.FileProviders.Abstractions.csproj b/src/FileProviders/Abstractions/ref/Microsoft.Extensions.FileProviders.Abstractions.csproj
+index cadffc345..fd582d4db 100644
+--- a/src/FileProviders/Abstractions/ref/Microsoft.Extensions.FileProviders.Abstractions.csproj
++++ b/src/FileProviders/Abstractions/ref/Microsoft.Extensions.FileProviders.Abstractions.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.FileProviders.Abstractions.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Primitives"  />
+   </ItemGroup>
+diff --git a/src/FileProviders/Composite/ref/Microsoft.Extensions.FileProviders.Composite.csproj b/src/FileProviders/Composite/ref/Microsoft.Extensions.FileProviders.Composite.csproj
+index 2af44470f..875f15e0e 100644
+--- a/src/FileProviders/Composite/ref/Microsoft.Extensions.FileProviders.Composite.csproj
++++ b/src/FileProviders/Composite/ref/Microsoft.Extensions.FileProviders.Composite.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.FileProviders.Composite.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.FileProviders.Abstractions"  />
+   </ItemGroup>
+diff --git a/src/FileProviders/Embedded/ref/Microsoft.Extensions.FileProviders.Embedded.csproj b/src/FileProviders/Embedded/ref/Microsoft.Extensions.FileProviders.Embedded.csproj
+index e9407f916..fe55ef748 100644
+--- a/src/FileProviders/Embedded/ref/Microsoft.Extensions.FileProviders.Embedded.csproj
++++ b/src/FileProviders/Embedded/ref/Microsoft.Extensions.FileProviders.Embedded.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.FileProviders.Embedded.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.FileProviders.Abstractions"  />
+   </ItemGroup>
+diff --git a/src/FileProviders/Physical/ref/Microsoft.Extensions.FileProviders.Physical.csproj b/src/FileProviders/Physical/ref/Microsoft.Extensions.FileProviders.Physical.csproj
+index 72d70f381..07c81486d 100644
+--- a/src/FileProviders/Physical/ref/Microsoft.Extensions.FileProviders.Physical.csproj
++++ b/src/FileProviders/Physical/ref/Microsoft.Extensions.FileProviders.Physical.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.FileProviders.Physical.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.FileProviders.Abstractions"  />
+     <Reference Include="Microsoft.Extensions.FileSystemGlobbing"  />
 diff --git a/src/HealthChecks/HealthChecks/ref/Microsoft.Extensions.Diagnostics.HealthChecks.csproj b/src/HealthChecks/HealthChecks/ref/Microsoft.Extensions.Diagnostics.HealthChecks.csproj
 index 2286087bc..64d4750ed 100644
 --- a/src/HealthChecks/HealthChecks/ref/Microsoft.Extensions.Diagnostics.HealthChecks.csproj
@@ -54,6 +363,35 @@ index 2286087bc..64d4750ed 100644
      <Compile Include="Microsoft.Extensions.Diagnostics.HealthChecks.netstandard2.0.cs" />
      <Reference Include="Microsoft.Extensions.Diagnostics.HealthChecks.Abstractions"  />
      <Reference Include="Microsoft.Extensions.Hosting.Abstractions"  />
+diff --git a/src/Hosting/Abstractions/ref/Microsoft.Extensions.Hosting.Abstractions.csproj b/src/Hosting/Abstractions/ref/Microsoft.Extensions.Hosting.Abstractions.csproj
+index 1a5603abf..f6f8b52f2 100644
+--- a/src/Hosting/Abstractions/ref/Microsoft.Extensions.Hosting.Abstractions.csproj
++++ b/src/Hosting/Abstractions/ref/Microsoft.Extensions.Hosting.Abstractions.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Hosting.Abstractions.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Configuration.Abstractions"  />
+     <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions"  />
+diff --git a/src/Hosting/Abstractions/src/Microsoft.Extensions.Hosting.Abstractions.csproj b/src/Hosting/Abstractions/src/Microsoft.Extensions.Hosting.Abstractions.csproj
+index 9f9236800..e2499b437 100644
+--- a/src/Hosting/Abstractions/src/Microsoft.Extensions.Hosting.Abstractions.csproj
++++ b/src/Hosting/Abstractions/src/Microsoft.Extensions.Hosting.Abstractions.csproj
+@@ -3,7 +3,7 @@
+   <PropertyGroup>
+     <Description>.NET Core hosting and startup abstractions for applications.</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <NoWarn>$(NoWarn);CS1591</NoWarn>
+     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+     <PackageTags>hosting</PackageTags>
 diff --git a/src/Hosting/Hosting/ref/Microsoft.Extensions.Hosting.csproj b/src/Hosting/Hosting/ref/Microsoft.Extensions.Hosting.csproj
 index 874eb9b35..3221099d7 100644
 --- a/src/Hosting/Hosting/ref/Microsoft.Extensions.Hosting.csproj
@@ -86,6 +424,51 @@ index 79013981a..30f9c750e 100644
      <Compile Include="Microsoft.Extensions.Http.netstandard2.0.cs" />
      <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions"  />
      <Reference Include="Microsoft.Extensions.Logging"  />
+diff --git a/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.csproj b/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.csproj
+index 61980aa92..072ed2e08 100644
+--- a/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.csproj
++++ b/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.JSInterop.netstandard2.0.cs" />
+     <Reference Include="System.Text.Json"  />
+   </ItemGroup>
+diff --git a/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj b/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj
+index 044c843b2..9df18f74c 100644
+--- a/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj
++++ b/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj
+@@ -2,7 +2,7 @@
+ 
+   <PropertyGroup>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <Description>Abstractions and features for interop between .NET and JavaScript code.</Description>
+     <PackageTags>javascript;interop</PackageTags>
+     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+diff --git a/src/JSInterop/Mono.WebAssembly.Interop/ref/Mono.WebAssembly.Interop.csproj b/src/JSInterop/Mono.WebAssembly.Interop/ref/Mono.WebAssembly.Interop.csproj
+index a1ba60570..85b06000d 100644
+--- a/src/JSInterop/Mono.WebAssembly.Interop/ref/Mono.WebAssembly.Interop.csproj
++++ b/src/JSInterop/Mono.WebAssembly.Interop/ref/Mono.WebAssembly.Interop.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Mono.WebAssembly.Interop.netstandard2.0.cs" />
+     <Reference Include="Microsoft.JSInterop"  />
+   </ItemGroup>
 diff --git a/src/Localization/Localization/ref/Microsoft.Extensions.Localization.csproj b/src/Localization/Localization/ref/Microsoft.Extensions.Localization.csproj
 index 735277e75..3da0fe444 100644
 --- a/src/Localization/Localization/ref/Microsoft.Extensions.Localization.csproj
@@ -214,6 +597,19 @@ index bc6cea264..81f97f515 100644
      <Compile Include="Microsoft.Extensions.Logging.netstandard2.0.cs" />
      <Reference Include="Microsoft.Extensions.Configuration.Binder"  />
      <Reference Include="Microsoft.Extensions.DependencyInjection"  />
+diff --git a/src/Logging/Logging/src/Microsoft.Extensions.Logging.csproj b/src/Logging/Logging/src/Microsoft.Extensions.Logging.csproj
+index 9129b292f..b82d5b268 100644
+--- a/src/Logging/Logging/src/Microsoft.Extensions.Logging.csproj
++++ b/src/Logging/Logging/src/Microsoft.Extensions.Logging.csproj
+@@ -3,7 +3,7 @@
+   <PropertyGroup>
+     <Description>Logging infrastructure default implementation for Microsoft.Extensions.Logging.</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <NoWarn>$(NoWarn);CS1591</NoWarn>
+     <IsPackable>true</IsPackable>
+     <IsShipping>true</IsShipping>
 diff --git a/src/Options/ConfigurationExtensions/ref/Microsoft.Extensions.Options.ConfigurationExtensions.csproj b/src/Options/ConfigurationExtensions/ref/Microsoft.Extensions.Options.ConfigurationExtensions.csproj
 index 6ee158c65..89eedce02 100644
 --- a/src/Options/ConfigurationExtensions/ref/Microsoft.Extensions.Options.ConfigurationExtensions.csproj
@@ -262,6 +658,48 @@ index 266f8d08b..1ae74ab96 100644
      <Compile Include="Microsoft.Extensions.Options.netstandard2.0.cs" />
      <Reference Include="Microsoft.Extensions.DependencyInjection.Abstractions"  />
      <Reference Include="Microsoft.Extensions.Primitives"  />
+diff --git a/src/Options/Options/src/Microsoft.Extensions.Options.csproj b/src/Options/Options/src/Microsoft.Extensions.Options.csproj
+index b9baa3d0d..ceb7adb1b 100644
+--- a/src/Options/Options/src/Microsoft.Extensions.Options.csproj
++++ b/src/Options/Options/src/Microsoft.Extensions.Options.csproj
+@@ -3,7 +3,7 @@
+   <PropertyGroup>
+     <Description>Provides a strongly typed way of specifying and accessing settings using dependency injection.</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+     <PackageTags>aspnetcore;options</PackageTags>
+     <IsPackable>true</IsPackable>
+diff --git a/src/Primitives/ref/Microsoft.Extensions.Primitives.csproj b/src/Primitives/ref/Microsoft.Extensions.Primitives.csproj
+index 33e0b9204..83e3261ec 100644
+--- a/src/Primitives/ref/Microsoft.Extensions.Primitives.csproj
++++ b/src/Primitives/ref/Microsoft.Extensions.Primitives.csproj
+@@ -1,9 +1,9 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Primitives.netstandard2.0.cs" />
+     <Reference Include="System.Memory"  />
+     <Reference Include="System.Runtime.CompilerServices.Unsafe"  />
+diff --git a/src/Primitives/src/Microsoft.Extensions.Primitives.csproj b/src/Primitives/src/Microsoft.Extensions.Primitives.csproj
+index 639d32e96..4a42ce96e 100644
+--- a/src/Primitives/src/Microsoft.Extensions.Primitives.csproj
++++ b/src/Primitives/src/Microsoft.Extensions.Primitives.csproj
+@@ -6,7 +6,7 @@ Microsoft.Extensions.Primitives.IChangeToken
+ Microsoft.Extensions.Primitives.StringValues
+ Microsoft.Extensions.Primitives.StringSegment</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <NoWarn>$(NoWarn);CS1591</NoWarn>
+     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+     <GenerateDocumentationFile>true</GenerateDocumentationFile>
 diff --git a/src/WebEncoders/ref/Microsoft.Extensions.WebEncoders.csproj b/src/WebEncoders/ref/Microsoft.Extensions.WebEncoders.csproj
 index 628691a22..d6ad449c0 100644
 --- a/src/WebEncoders/ref/Microsoft.Extensions.WebEncoders.csproj
diff --git a/patches/aspnet-extensions/0002-Do-not-build-.NET-Fx-binaries-in-source-build.patch b/patches/aspnet-extensions/0002-Do-not-build-.NET-Fx-binaries-in-source-build.patch
new file mode 100644
index 0000000000..22367c889d
--- /dev/null
+++ b/patches/aspnet-extensions/0002-Do-not-build-.NET-Fx-binaries-in-source-build.patch
@@ -0,0 +1,202 @@
+From 34635ab6a57ac9ef1e33335fa6a6e559adab04cc Mon Sep 17 00:00:00 2001
+From: Nikola Milosavljevic <nikolam@microsoft.com>
+Date: Tue, 10 Sep 2019 18:50:59 +0000
+Subject: [PATCH 2/2] Do not build .NET Fx binaries in source build
+
+---
+ eng/Versions.props                                          | 2 +-
+ .../src/Microsoft.Extensions.Configuration.Binder.csproj    | 2 +-
+ .../Config/src/Microsoft.Extensions.Configuration.csproj    | 2 +-
+ .../DI/src/Microsoft.Extensions.DependencyInjection.csproj  | 3 ++-
+ .../Microsoft.Extensions.FileProviders.Abstractions.csproj  | 2 +-
+ .../src/Microsoft.Extensions.FileProviders.Embedded.csproj  | 6 +++---
+ ...oft.Extensions.FileProviders.Embedded.multitarget.nuspec | 6 +++---
+ ...t.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec | 4 ++--
+ .../Microsoft.Extensions.FileProviders.Embedded.props       | 2 +-
+ ...t.Extensions.FileProviders.Embedded.Manifest.Task.csproj | 2 +-
+ .../Microsoft.JSInterop/src/Microsoft.JSInterop.csproj      | 2 +-
+ src/Primitives/src/Microsoft.Extensions.Primitives.csproj   | 2 +-
+ 12 files changed, 18 insertions(+), 17 deletions(-)
+
+diff --git a/eng/Versions.props b/eng/Versions.props
+index 05f4e462c..84e19a64c 100644
+--- a/eng/Versions.props
++++ b/eng/Versions.props
+@@ -38,7 +38,7 @@
+     <!-- Disable Arcade's Xliff tools -->
+     <UsingToolXliff>false</UsingToolXliff>
+     <!-- Using .NET framework assemblies from a package. -->
+-    <UsingToolNetFrameworkReferenceAssemblies>true</UsingToolNetFrameworkReferenceAssemblies>
++    <UsingToolNetFrameworkReferenceAssemblies Condition="'$(DotNetBuildFromSource)' != 'true'">true</UsingToolNetFrameworkReferenceAssemblies>
+   </PropertyGroup>
+   <!--
+ 
+diff --git a/src/Configuration/Config.Binder/src/Microsoft.Extensions.Configuration.Binder.csproj b/src/Configuration/Config.Binder/src/Microsoft.Extensions.Configuration.Binder.csproj
+index d6fcba085..9bade55bb 100644
+--- a/src/Configuration/Config.Binder/src/Microsoft.Extensions.Configuration.Binder.csproj
++++ b/src/Configuration/Config.Binder/src/Microsoft.Extensions.Configuration.Binder.csproj
+@@ -3,7 +3,7 @@
+   <PropertyGroup>
+     <Description>Functionality to bind an object to data in configuration providers for Microsoft.Extensions.Configuration.</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <IsPackable>true</IsPackable>
+     <IsShipping>true</IsShipping>
+   </PropertyGroup>
+diff --git a/src/Configuration/Config/src/Microsoft.Extensions.Configuration.csproj b/src/Configuration/Config/src/Microsoft.Extensions.Configuration.csproj
+index dc93341da..64e7c9968 100644
+--- a/src/Configuration/Config/src/Microsoft.Extensions.Configuration.csproj
++++ b/src/Configuration/Config/src/Microsoft.Extensions.Configuration.csproj
+@@ -3,7 +3,7 @@
+   <PropertyGroup>
+     <Description>Implementation of key-value pair based configuration for Microsoft.Extensions.Configuration. Includes the memory configuration provider.</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <IsPackable>true</IsPackable>
+     <IsShipping>true</IsShipping>
+   </PropertyGroup>
+diff --git a/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj b/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj
+index 583c76098..8d05c52b7 100644
+--- a/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj
++++ b/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj
+@@ -2,7 +2,8 @@
+ 
+   <PropertyGroup>
+     <Description>Default implementation of dependency injection for Microsoft.Extensions.DependencyInjection.</Description>
+-    <TargetFrameworks>netcoreapp3.0;net461;netstandard2.0</TargetFrameworks>
++    <TargetFrameworks>netcoreapp3.0;netstandard2.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' != 'true'">$(TargetFrameworks);net461</TargetFrameworks>
+     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+     <PackageTags>dependencyinjection;di</PackageTags>
+     <IsPackable>true</IsPackable>
+diff --git a/src/FileProviders/Abstractions/src/Microsoft.Extensions.FileProviders.Abstractions.csproj b/src/FileProviders/Abstractions/src/Microsoft.Extensions.FileProviders.Abstractions.csproj
+index dff946a6b..193b5772d 100644
+--- a/src/FileProviders/Abstractions/src/Microsoft.Extensions.FileProviders.Abstractions.csproj
++++ b/src/FileProviders/Abstractions/src/Microsoft.Extensions.FileProviders.Abstractions.csproj
+@@ -8,7 +8,7 @@ Microsoft.Extensions.FileProviders.IDirectoryContents
+ Microsoft.Extensions.FileProviders.IFileInfo
+ Microsoft.Extensions.FileProviders.IFileProvider</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <IsPackable>true</IsPackable>
+     <IsShipping>true</IsShipping>
+   </PropertyGroup>
+diff --git a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj
+index 4858cae97..9a752c3e6 100644
+--- a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj
++++ b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj
+@@ -5,7 +5,7 @@
+     <Description>File provider for files in embedded resources for Microsoft.Extensions.FileProviders.</Description>
+     <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
+     <NuspecFile>$(MSBuildProjectName).multitarget.nuspec</NuspecFile>
+-    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' == 'true'">netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <NuspecFile Condition="'$(DotNetBuildFromSource)' == 'true'">$(MSBuildProjectName).netcoreapp3.0.nuspec</NuspecFile>
+     <IsPackable>true</IsPackable>
+     <IsShipping>true</IsShipping>
+@@ -30,8 +30,8 @@
+     <NuspecProperty Include="OutputBinary=$(OutputPath)**\$(AssemblyName).dll" />
+     <NuspecProperty Include="OutputSymbol=$(OutputPath)**\$(AssemblyName).pdb" />
+     <NuspecProperty Include="OutputDocumentation=$(OutputPath)**\$(AssemblyName).xml" />
+-    <NuspecProperty Include="TaskAssemblyNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.0\$(AssemblyName).Manifest.Task.dll"/>
+-    <NuspecProperty Include="TaskSymbolNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.0\$(AssemblyName).Manifest.Task.pdb" Condition="'$(DebugType)'!='embedded'"/>
++    <NuspecProperty Include="TaskAssemblyNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.1\$(AssemblyName).Manifest.Task.dll"/>
++    <NuspecProperty Include="TaskSymbolNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.1\$(AssemblyName).Manifest.Task.pdb" Condition="'$(DebugType)'!='embedded'"/>
+     <NuspecProperty Include="PackageIcon=$(PackageIconFullPath)" />
+   </ItemGroup>
+ </Project>
+diff --git a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec
+index c9ab1ba84..7e2fa61df 100644
+--- a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec
++++ b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec
+@@ -6,7 +6,7 @@
+       <group targetFramework=".NETCoreApp3.0">
+         <dependency id="Microsoft.Extensions.FileProviders.Abstractions" version="$version$" exclude="Build,Analyzers" />
+       </group>
+-      <group targetFramework=".NETStandard2.0">
++      <group targetFramework=".NETStandard2.1">
+         <dependency id="Microsoft.Extensions.FileProviders.Abstractions" version="$version$" exclude="Build,Analyzers" />
+       </group>
+     </dependencies>
+@@ -20,7 +20,7 @@
+     <file src="build\**\*" target="build\" />
+     <file src="buildMultiTargeting\**\*" target="buildMultiTargeting\" />
+     <file src="$PackageIcon$" target="" />
+-    <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.dll" />
+-    <file src="$TaskSymbolNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.pdb" />
++    <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.1\$AssemblyName$.Manifest.Task.dll" />
++    <file src="$TaskSymbolNetStandard$" target="tasks\netstandard2.1\$AssemblyName$.Manifest.Task.pdb" />
+   </files>
+ </package>
+diff --git a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec
+index b42e51174..590b84c9a 100644
+--- a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec
++++ b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec
+@@ -17,7 +17,7 @@
+     <file src="build\**\*" target="build\" />
+     <file src="buildMultiTargeting\**\*" target="buildMultiTargeting\" />
+     <file src="$PackageIcon$" target="" />
+-    <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.dll" />
+-    <file src="$TaskSymbolNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.pdb" />
++    <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.1\$AssemblyName$.Manifest.Task.dll" />
++    <file src="$TaskSymbolNetStandard$" target="tasks\netstandard2.1\$AssemblyName$.Manifest.Task.pdb" />
+   </files>
+ </package>
+diff --git a/src/FileProviders/Embedded/src/build/netstandard2.0/Microsoft.Extensions.FileProviders.Embedded.props b/src/FileProviders/Embedded/src/build/netstandard2.0/Microsoft.Extensions.FileProviders.Embedded.props
+index aabbabc92..2d8c55e95 100644
+--- a/src/FileProviders/Embedded/src/build/netstandard2.0/Microsoft.Extensions.FileProviders.Embedded.props
++++ b/src/FileProviders/Embedded/src/build/netstandard2.0/Microsoft.Extensions.FileProviders.Embedded.props
+@@ -5,7 +5,7 @@
+   </PropertyGroup>
+ 
+   <PropertyGroup>
+-    <_FileProviderTaskAssembly>$(MSBuildThisFileDirectory)..\..\tasks\netstandard2.0\Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.dll</_FileProviderTaskAssembly>
++    <_FileProviderTaskAssembly>$(MSBuildThisFileDirectory)..\..\tasks\netstandard2.1\Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.dll</_FileProviderTaskAssembly>
+   </PropertyGroup>
+ 
+   <UsingTask
+diff --git a/src/FileProviders/Manifest.MSBuildTask/src/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.csproj b/src/FileProviders/Manifest.MSBuildTask/src/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.csproj
+index cdc4ffdcb..adf20a3f1 100644
+--- a/src/FileProviders/Manifest.MSBuildTask/src/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.csproj
++++ b/src/FileProviders/Manifest.MSBuildTask/src/Microsoft.Extensions.FileProviders.Embedded.Manifest.Task.csproj
+@@ -3,7 +3,7 @@
+   <PropertyGroup>
+     <Description>MSBuild task to generate a manifest that can be used by Microsoft.Extensions.FileProviders.Embedded to preserve
+     metadata of the files embedded in the assembly at compilation time.</Description>
+-    <TargetFramework>netstandard2.0</TargetFramework>
++    <TargetFramework>netstandard2.1</TargetFramework>
+     <GenerateDocumentationFile>false</GenerateDocumentationFile>
+     <IsShippingAssembly>true</IsShippingAssembly>
+     <IsPackable>false</IsPackable>
+diff --git a/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj b/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj
+index 9df18f74c..59c72dff9 100644
+--- a/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj
++++ b/src/JSInterop/Microsoft.JSInterop/src/Microsoft.JSInterop.csproj
+@@ -10,7 +10,7 @@
+     <IsShipping>true</IsShipping>
+   </PropertyGroup>
+ 
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Reference Include="System.Text.Json" />
+   </ItemGroup>
+ 
+diff --git a/src/Primitives/src/Microsoft.Extensions.Primitives.csproj b/src/Primitives/src/Microsoft.Extensions.Primitives.csproj
+index 4a42ce96e..8354c544d 100644
+--- a/src/Primitives/src/Microsoft.Extensions.Primitives.csproj
++++ b/src/Primitives/src/Microsoft.Extensions.Primitives.csproj
+@@ -19,7 +19,7 @@ Microsoft.Extensions.Primitives.StringSegment</Description>
+     <Compile Include="$(SharedSourceRoot)HashCodeCombiner\**\*.cs" />
+   </ItemGroup>
+ 
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Reference Include="System.Memory" />
+     <Reference Include="System.Runtime.CompilerServices.Unsafe" />
+   </ItemGroup>
+-- 
+2.18.0
+
diff --git a/patches/aspnet-extensions/0002-Fix-packing-on-nix-systems.patch b/patches/aspnet-extensions/0002-Fix-packing-on-nix-systems.patch
deleted file mode 100644
index 52fb1aa6be..0000000000
--- a/patches/aspnet-extensions/0002-Fix-packing-on-nix-systems.patch
+++ /dev/null
@@ -1,64 +0,0 @@
-From ca00cfe47896b9a6e8275e03e0ea3081d0a80b8a Mon Sep 17 00:00:00 2001
-From: = <johluo@microsoft.com>
-Date: Thu, 12 Sep 2019 21:32:44 -0700
-Subject: [PATCH 2/2] Fix packing on *nix systems
-
-- Without this fix, the nupkg will be missing files if packed on *nix systems
----
- .../src/Microsoft.Extensions.FileProviders.Embedded.csproj  | 4 +---
- ...oft.Extensions.FileProviders.Embedded.multitarget.nuspec | 6 +++---
- ...t.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec | 6 +++---
- 3 files changed, 7 insertions(+), 9 deletions(-)
-
-diff --git a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj
-index d36323e3b..25f69f2a8 100644
---- a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj
-+++ b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.csproj
-@@ -27,9 +27,7 @@
- 
-   <ItemGroup>
-     <NuspecProperty Include="AssemblyName=$(AssemblyName)" />
--    <NuspecProperty Include="OutputBinary=$(OutputPath)**\$(AssemblyName).dll" />
--    <NuspecProperty Include="OutputSymbol=$(OutputPath)**\$(AssemblyName).pdb" />
--    <NuspecProperty Include="OutputDocumentation=$(OutputPath)**\$(AssemblyName).xml" />
-+    <NuspecProperty Include="OutputPath=$(OutputPath)" />
-     <NuspecProperty Include="TaskAssemblyNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.0\$(AssemblyName).Manifest.Task.dll"/>
-     <NuspecProperty Include="TaskSymbolNetStandard=$(ArtifactsDir)bin\$(AssemblyName).Manifest.Task\$(Configuration)\netstandard2.0\$(AssemblyName).Manifest.Task.pdb" Condition="'$(DebugType)'!='embedded'"/>
-   </ItemGroup>
-diff --git a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec
-index 874c90c79..59b943ba6 100644
---- a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec
-+++ b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.multitarget.nuspec
-@@ -13,9 +13,9 @@
-   </metadata>
- 
-   <files>
--    <file src="$OutputBinary$" target="lib\" />
--    <file src="$OutputSymbol$" target="lib\" />
--    <file src="$OutputDocumentation$" target="lib\" />
-+    <file src="$OutputPath$**\$AssemblyName$.dll" target="lib\" />
-+    <file src="$OutputPath$**\$AssemblyName$.pdb" target="lib\" />
-+    <file src="$OutputPath$**\$AssemblyName$.xml" target="lib\" />
-     <file src="build\**\*" target="build\" />
-     <file src="buildMultiTargeting\**\*" target="buildMultiTargeting\" />
-     <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.dll" />
-diff --git a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec
-index f98f0b4ad..b58385b06 100644
---- a/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec
-+++ b/src/FileProviders/Embedded/src/Microsoft.Extensions.FileProviders.Embedded.netcoreapp3.0.nuspec
-@@ -10,9 +10,9 @@
-   </metadata>
- 
-   <files>
--    <file src="$OutputBinary$" target="lib\" />
--    <file src="$OutputSymbol$" target="lib\" />
--    <file src="$OutputDocumentation$" target="lib\" />
-+    <file src="$OutputPath$**\$AssemblyName$.dll" target="lib\" />
-+    <file src="$OutputPath$**\$AssemblyName$.pdb" target="lib\" />
-+    <file src="$OutputPath$**\$AssemblyName$.xml" target="lib\" />
-     <file src="build\**\*" target="build\" />
-     <file src="buildMultiTargeting\**\*" target="buildMultiTargeting\" />
-     <file src="$TaskAssemblyNetStandard$" target="tasks\netstandard2.0\$AssemblyName$.Manifest.Task.dll" />
--- 
-2.17.1
-
diff --git a/patches/aspnet-extensions/0003-Build-MS.Internal.Ext.Refs-for-AspNetCore.patch b/patches/aspnet-extensions/0003-Build-MS.Internal.Ext.Refs-for-AspNetCore.patch
new file mode 100644
index 0000000000..7d38193481
--- /dev/null
+++ b/patches/aspnet-extensions/0003-Build-MS.Internal.Ext.Refs-for-AspNetCore.patch
@@ -0,0 +1,40 @@
+From d7231c597b6331c05c5d03b458b5ab32a25b6a71 Mon Sep 17 00:00:00 2001
+From: Chris Rummel <crummel@microsoft.com>
+Date: Fri, 8 Nov 2019 10:24:14 -0600
+Subject: [PATCH 3/3] Build MS.Internal.Ext.Refs for AspNetCore.
+
+---
+ .../ref/Microsoft.Internal.Extensions.Refs.csproj           | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/TargetingPack/Microsoft.Internal.Extensions.Refs/ref/Microsoft.Internal.Extensions.Refs.csproj b/src/TargetingPack/Microsoft.Internal.Extensions.Refs/ref/Microsoft.Internal.Extensions.Refs.csproj
+index f00ec1d0d..95de1620b 100644
+--- a/src/TargetingPack/Microsoft.Internal.Extensions.Refs/ref/Microsoft.Internal.Extensions.Refs.csproj
++++ b/src/TargetingPack/Microsoft.Internal.Extensions.Refs/ref/Microsoft.Internal.Extensions.Refs.csproj
+@@ -4,12 +4,12 @@
+     <TargetFramework>netcoreapp3.0</TargetFramework>
+ 
+     <!-- Do not pack in servicing builds. -->
+-    <IsPackable>false</IsPackable>
++    <IsPackable>true</IsPackable>
+     <IsPackable Condition=" '$(PatchVersion)' == '0' ">true</IsPackable>
+ 
+     <IsShipping>false</IsShipping>
+     <!-- This project is not included in the shared framework -->
+-    <ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
++    <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+     <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
+ 
+     <!-- Subject to change: see https://github.com/dotnet/designs/pull/50 -->
+@@ -50,7 +50,7 @@
+     </BuildDependsOn>
+ 
+     <!-- Suppresses building this project completely during servicing builds. -->
+-    <BuildDependsOn Condition="! $(IsPackable)" />
++    <BuildDependsOn />
+   </PropertyGroup>
+ 
+   <!-- Override the default MSBuild targets so that nothing is returned from the project since it represents a collection of assemblies. -->
+-- 
+2.18.0
+
diff --git a/patches/aspnet-extensions/0004-Make-ref-assembly-versions-match-implementation-asse.patch b/patches/aspnet-extensions/0004-Make-ref-assembly-versions-match-implementation-asse.patch
new file mode 100644
index 0000000000..f3162a1b8d
--- /dev/null
+++ b/patches/aspnet-extensions/0004-Make-ref-assembly-versions-match-implementation-asse.patch
@@ -0,0 +1,32 @@
+From d20dcc1f5e37dd823d3614617785df3e854bb894 Mon Sep 17 00:00:00 2001
+From: Chris Rummel <crummel@microsoft.com>
+Date: Fri, 8 Nov 2019 14:35:59 -0600
+Subject: [PATCH 4/4] Make ref assembly versions match implementation assembly
+ versions
+
+---
+ eng/Versions.props | 8 +-------
+ 1 file changed, 1 insertion(+), 7 deletions(-)
+
+diff --git a/eng/Versions.props b/eng/Versions.props
+index 84e19a64c..6ad9600e3 100644
+--- a/eng/Versions.props
++++ b/eng/Versions.props
+@@ -11,13 +11,7 @@
+     <PatchVersion>1</PatchVersion>
+     <VersionPrefix>$(MajorVersion).$(MinorVersion).$(PatchVersion)</VersionPrefix>
+     <PreReleaseVersionLabel>servicing</PreReleaseVersionLabel>
+-    <AssemblyVersion Condition="'$(IsReferenceAssemblyProject)' != 'true'">$(VersionPrefix).0</AssemblyVersion>
+-    <!--
+-      We do not support changing reference assemblies in a patch. This ignores
+-      the patch version number to ensure assembly version of ref assemblies stays constant
+-      throughout major.minor.
+-    -->
+-    <AssemblyVersion Condition="'$(IsReferenceAssemblyProject)' == 'true'">$(MajorVersion).$(MinorVersion).0.0</AssemblyVersion>
++    <AssemblyVersion>$(VersionPrefix).0</AssemblyVersion>
+     <ExperimentalVersionPrefix>0.1.$(PatchVersion)</ExperimentalVersionPrefix>
+     <!--
+       Until package baselines are updated (see aspnet/AspNetCore#12702), ignore them and PatchConfig.props. This also
+-- 
+2.18.0
+
diff --git a/patches/aspnet-extensions/0005-Don-t-call-dotnet-without-a-path.patch b/patches/aspnet-extensions/0005-Don-t-call-dotnet-without-a-path.patch
new file mode 100644
index 0000000000..2cb343f386
--- /dev/null
+++ b/patches/aspnet-extensions/0005-Don-t-call-dotnet-without-a-path.patch
@@ -0,0 +1,29 @@
+From 034b7c7c32bbaf7f888020a40745afdd811339ab Mon Sep 17 00:00:00 2001
+From: Chris Rummel <crummel@microsoft.com>
+Date: Sun, 10 Nov 2019 14:05:39 -0600
+Subject: [PATCH 5/5] Don't call dotnet without a path
+
+---
+ eng/common/tools.sh | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/eng/common/tools.sh b/eng/common/tools.sh
+index 757d5b9ea..5a4cfeb1f 100755
+--- a/eng/common/tools.sh
++++ b/eng/common/tools.sh
+@@ -340,9 +340,9 @@ function MSBuild {
+ 
+     # Work around issues with Azure Artifacts credential provider
+     # https://github.com/dotnet/arcade/issues/3932
+-    if [[ "$ci" == true ]]; then
+-      dotnet nuget locals http-cache -c
+-    fi
++#    if [[ "$ci" == true ]]; then
++#      dotnet nuget locals http-cache -c
++#    fi
+ 
+     local toolset_dir="${_InitializeToolset%/*}"
+     local logger_path="$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.Arcade.Sdk.dll"
+-- 
+2.18.0
+
diff --git a/patches/aspnet-extensions/0006-Do-not-build-.NET-Fx-binaries-in-source-build.patch b/patches/aspnet-extensions/0006-Do-not-build-.NET-Fx-binaries-in-source-build.patch
deleted file mode 100644
index 2b526eadd1..0000000000
--- a/patches/aspnet-extensions/0006-Do-not-build-.NET-Fx-binaries-in-source-build.patch
+++ /dev/null
@@ -1,40 +0,0 @@
-From 33b354a3845af6a4d54220fd2bce6691c6572bf4 Mon Sep 17 00:00:00 2001
-From: Nikola Milosavljevic <nikolam@microsoft.com>
-Date: Tue, 10 Sep 2019 18:50:59 +0000
-Subject: [PATCH 6/6] Do not build .NET Fx binaries in source build
-
----
- eng/Versions.props                                                     | 2 +-
- .../DI/src/Microsoft.Extensions.DependencyInjection.csproj             | 3 ++-
- 2 files changed, 3 insertions(+), 2 deletions(-)
-
-diff --git a/eng/Versions.props b/eng/Versions.props
-index a7f92e3..da57762 100644
---- a/eng/Versions.props
-+++ b/eng/Versions.props
-@@ -28,7 +28,7 @@
-     <!-- Disable Arcade's Xliff tools -->
-     <UsingToolXliff>false</UsingToolXliff>
-     <!-- Using .NET framework assemblies from a package. -->
--    <UsingToolNetFrameworkReferenceAssemblies>true</UsingToolNetFrameworkReferenceAssemblies>
-+    <UsingToolNetFrameworkReferenceAssemblies Condition="'$(DotNetBuildFromSource)' != 'true'">true</UsingToolNetFrameworkReferenceAssemblies>
-   </PropertyGroup>
-   <!--
- 
-diff --git a/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj b/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj
-index 583c760..8d05c52 100644
---- a/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj
-+++ b/src/DependencyInjection/DI/src/Microsoft.Extensions.DependencyInjection.csproj
-@@ -2,7 +2,8 @@
- 
-   <PropertyGroup>
-     <Description>Default implementation of dependency injection for Microsoft.Extensions.DependencyInjection.</Description>
--    <TargetFrameworks>netcoreapp3.0;net461;netstandard2.0</TargetFrameworks>
-+    <TargetFrameworks>netcoreapp3.0;netstandard2.0</TargetFrameworks>
-+    <TargetFrameworks Condition="'$(DotNetBuildFromSource)' != 'true'">$(TargetFrameworks);net461</TargetFrameworks>
-     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-     <PackageTags>dependencyinjection;di</PackageTags>
-     <IsPackable>true</IsPackable>
--- 
-1.8.3.1
-
diff --git a/patches/aspnetcore-tooling/0004-Don-t-call-dotnet-without-path.patch b/patches/aspnetcore-tooling/0004-Don-t-call-dotnet-without-path.patch
new file mode 100644
index 0000000000..e3bb77ccab
--- /dev/null
+++ b/patches/aspnetcore-tooling/0004-Don-t-call-dotnet-without-path.patch
@@ -0,0 +1,29 @@
+From 6c53d1b1517d32f1f15214e37f9f7f5b9550b41e Mon Sep 17 00:00:00 2001
+From: Chris Rummel <crummel@microsoft.com>
+Date: Mon, 11 Nov 2019 08:22:27 -0600
+Subject: [PATCH 4/4] Don't call dotnet without path
+
+---
+ eng/common/tools.sh | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/eng/common/tools.sh b/eng/common/tools.sh
+index 757d5b9ea..5a4cfeb1f 100755
+--- a/eng/common/tools.sh
++++ b/eng/common/tools.sh
+@@ -340,9 +340,9 @@ function MSBuild {
+ 
+     # Work around issues with Azure Artifacts credential provider
+     # https://github.com/dotnet/arcade/issues/3932
+-    if [[ "$ci" == true ]]; then
+-      dotnet nuget locals http-cache -c
+-    fi
++#    if [[ "$ci" == true ]]; then
++#      dotnet nuget locals http-cache -c
++#    fi
+ 
+     local toolset_dir="${_InitializeToolset%/*}"
+     local logger_path="$toolset_dir/$_InitializeBuildToolFramework/Microsoft.DotNet.Arcade.Sdk.dll"
+-- 
+2.18.0
+
diff --git a/patches/aspnetcore/0001-Exclude-analyzer-for-source-build.patch b/patches/aspnetcore/0001-Exclude-analyzer-for-source-build.patch
index 7400171209..17fb2341e2 100644
--- a/patches/aspnetcore/0001-Exclude-analyzer-for-source-build.patch
+++ b/patches/aspnetcore/0001-Exclude-analyzer-for-source-build.patch
@@ -1,17 +1,17 @@
-From b8b37759db44435cd4f4b2b0e3656c5550c323d7 Mon Sep 17 00:00:00 2001
+From 4a4607eb946acf2f8592e41227afe3b11ab60938 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Fri, 26 Jul 2019 13:37:36 -0500
-Subject: [PATCH 1/6] Exclude analyzer for source-build.
+Subject: [PATCH 1/9] Exclude analyzer for source-build.
 
 ---
  Directory.Build.props | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/Directory.Build.props b/Directory.Build.props
-index 66e5b316b1..141506a2b5 100644
+index 80e6bb14f0..966cfdca97 100644
 --- a/Directory.Build.props
 +++ b/Directory.Build.props
-@@ -96,7 +96,7 @@
+@@ -107,7 +107,7 @@
      <InternalInstallerBaseName>$(RuntimeInstallerBaseName)-internal</InternalInstallerBaseName>
    </PropertyGroup>
  
@@ -21,5 +21,5 @@ index 66e5b316b1..141506a2b5 100644
    </ItemGroup>
  
 -- 
-2.21.0
+2.18.0
 
diff --git a/patches/aspnetcore/0002-Import-PackageVersions.props.patch b/patches/aspnetcore/0002-Import-PackageVersions.props.patch
index ee6d42985e..8b17f21b97 100644
--- a/patches/aspnetcore/0002-Import-PackageVersions.props.patch
+++ b/patches/aspnetcore/0002-Import-PackageVersions.props.patch
@@ -1,17 +1,17 @@
-From 90b06d9976a743a929ab935684abf5881968693a Mon Sep 17 00:00:00 2001
+From da2fc96aadd196338d985cfca9e4cf3e98159344 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Wed, 17 Jul 2019 17:20:48 -0500
-Subject: [PATCH 2/6] Import PackageVersions.props.
+Subject: [PATCH 2/9] Import PackageVersions.props.
 
 ---
  eng/Versions.props | 3 +++
  1 file changed, 3 insertions(+)
 
 diff --git a/eng/Versions.props b/eng/Versions.props
-index 023598352f..243234628a 100644
+index 7fb19ff9b1..6361f51f06 100644
 --- a/eng/Versions.props
 +++ b/eng/Versions.props
-@@ -264,6 +264,9 @@
+@@ -268,6 +268,9 @@
      <XunitExtensibilityExecutionPackageVersion>$(XunitVersion)</XunitExtensibilityExecutionPackageVersion>
      <MicrosoftDataSqlClientPackageVersion>1.0.19249.1</MicrosoftDataSqlClientPackageVersion>
    </PropertyGroup>
@@ -22,5 +22,5 @@ index 023598352f..243234628a 100644
    <PropertyGroup Label="Restore feeds">
      <!-- In an orchestrated build, this may be overridden to other Azure feeds. -->
 -- 
-2.21.0
+2.18.0
 
diff --git a/patches/aspnetcore/0003-Exclude-some-projects-from-source-build.patch b/patches/aspnetcore/0003-Exclude-some-projects-from-source-build.patch
index c09bd0dcfe..33efc4c71c 100644
--- a/patches/aspnetcore/0003-Exclude-some-projects-from-source-build.patch
+++ b/patches/aspnetcore/0003-Exclude-some-projects-from-source-build.patch
@@ -1,14 +1,14 @@
-From 13be14b9e411efee0425eb2d8d53e85a335c8a6a Mon Sep 17 00:00:00 2001
+From 9f77583a6cad4845d6549864c9ff7eaedf06dca3 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Thu, 18 Jul 2019 01:34:30 -0500
-Subject: [PATCH 3/6] Exclude some projects from source-build.
+Subject: [PATCH 3/9] Exclude some projects from source-build.
 
 ---
  Directory.Build.props | 2 ++
  1 file changed, 2 insertions(+)
 
 diff --git a/Directory.Build.props b/Directory.Build.props
-index 141506a2b5..456bcafb06 100644
+index 966cfdca97..c72b810d59 100644
 --- a/Directory.Build.props
 +++ b/Directory.Build.props
 @@ -18,9 +18,11 @@
@@ -24,5 +24,5 @@ index 141506a2b5..456bcafb06 100644
      <!--
        Following logic mimics core-setup approach as well as
 -- 
-2.21.0
+2.18.0
 
diff --git a/patches/aspnetcore/0005-Fix-version-number.patch b/patches/aspnetcore/0004-Fix-version-number.patch
similarity index 84%
rename from patches/aspnetcore/0005-Fix-version-number.patch
rename to patches/aspnetcore/0004-Fix-version-number.patch
index e728064a53..1a867b9c0c 100644
--- a/patches/aspnetcore/0005-Fix-version-number.patch
+++ b/patches/aspnetcore/0004-Fix-version-number.patch
@@ -1,7 +1,7 @@
-From 56e67c116b070fc0414fe2694f3dc633a8b5f593 Mon Sep 17 00:00:00 2001
+From 7e375644221918a414eac2f4ca8f6215eb08d8d7 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Sun, 15 Sep 2019 17:24:02 -0500
-Subject: [PATCH 5/7] Fix version number
+Subject: [PATCH 4/9] Fix version number
 
 ---
  .../Web.JS/dist/Release/blazor.server.js      | Bin 214091 -> 214088 bytes
diff --git a/patches/aspnetcore/0006-Remove-Yarn-dependency-not-used-in-source-build.patch b/patches/aspnetcore/0005-Remove-Yarn-dependency-not-used-in-source-build.patch
similarity index 91%
rename from patches/aspnetcore/0006-Remove-Yarn-dependency-not-used-in-source-build.patch
rename to patches/aspnetcore/0005-Remove-Yarn-dependency-not-used-in-source-build.patch
index e360492499..0c4fd2d7be 100644
--- a/patches/aspnetcore/0006-Remove-Yarn-dependency-not-used-in-source-build.patch
+++ b/patches/aspnetcore/0005-Remove-Yarn-dependency-not-used-in-source-build.patch
@@ -1,7 +1,7 @@
-From 002de978f1f0d9e7466f336dfe18b63ec5799915 Mon Sep 17 00:00:00 2001
+From 3b94eb32dfd8f1383f332962bbe81a9e21914038 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Mon, 23 Sep 2019 16:21:28 -0500
-Subject: [PATCH 6/6] Remove Yarn dependency - not used in source-build
+Subject: [PATCH 5/9] Remove Yarn dependency - not used in source-build
 
 ---
  eng/targets/Npm.Common.targets                                 | 3 ---
@@ -25,16 +25,16 @@ index 062a9d3a8f..3f91b02d42 100644
      <NormalizedPackageId>$(PackageId.Replace('@','').Replace('/','-'))</NormalizedPackageId>
      <PackageFileName>$(NormalizedPackageId)-$(PackageVersion).tgz</PackageFileName>
 diff --git a/global.json b/global.json
-index dcba24801f..1934419949 100644
+index fa652db0a9..f02c60c4fc 100644
 --- a/global.json
 +++ b/global.json
-@@ -23,7 +23,6 @@
+@@ -24,7 +24,6 @@
      }
    },
    "msbuild-sdks": {
 -    "Yarn.MSBuild": "1.15.2",
-     "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19462.4",
-     "Microsoft.DotNet.Helix.Sdk": "2.0.0-beta.19462.4"
+     "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19474.3",
+     "Microsoft.DotNet.Helix.Sdk": "2.0.0-beta.19474.3"
    }
 diff --git a/src/Middleware/NodeServices/src/Microsoft.AspNetCore.NodeServices.csproj b/src/Middleware/NodeServices/src/Microsoft.AspNetCore.NodeServices.csproj
 index b6e0c32519..7393c8531e 100644
@@ -77,5 +77,5 @@ index 48d8dad7a6..8a18913ca4 100644
  
    <Target Name="EnsureNodeJSRestored" Condition="'$(SeleniumE2ETestsSupported)' == 'true'" BeforeTargets="Build">
 -- 
-2.21.0
+2.18.0
 
diff --git a/patches/aspnetcore/0007-Don-t-call-out-to-dotnet-with-no-path.patch b/patches/aspnetcore/0006-Don-t-call-out-to-dotnet-with-no-path.patch
similarity index 86%
rename from patches/aspnetcore/0007-Don-t-call-out-to-dotnet-with-no-path.patch
rename to patches/aspnetcore/0006-Don-t-call-out-to-dotnet-with-no-path.patch
index 8e3a989eba..d6cb58c116 100644
--- a/patches/aspnetcore/0007-Don-t-call-out-to-dotnet-with-no-path.patch
+++ b/patches/aspnetcore/0006-Don-t-call-out-to-dotnet-with-no-path.patch
@@ -1,7 +1,7 @@
-From 1c1cf0fff90bcc3d74bc120881869b45568540b4 Mon Sep 17 00:00:00 2001
+From 759cf9dc23910b9421223f1c05ad2f46abe1f410 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Thu, 26 Sep 2019 00:35:59 -0500
-Subject: [PATCH 7/7] Don't call out to dotnet with no path
+Subject: [PATCH 6/9] Don't call out to dotnet with no path
 
 ---
  eng/common/tools.sh | 6 ------
diff --git a/patches/aspnetcore/0009-Use-non-portable-NETCoreAppRuntime-for-crossgen.patch b/patches/aspnetcore/0007-Use-non-portable-NETCoreAppRuntime-for-crossgen.patch
similarity index 89%
rename from patches/aspnetcore/0009-Use-non-portable-NETCoreAppRuntime-for-crossgen.patch
rename to patches/aspnetcore/0007-Use-non-portable-NETCoreAppRuntime-for-crossgen.patch
index d3905fe8c5..12c351a5cb 100644
--- a/patches/aspnetcore/0009-Use-non-portable-NETCoreAppRuntime-for-crossgen.patch
+++ b/patches/aspnetcore/0007-Use-non-portable-NETCoreAppRuntime-for-crossgen.patch
@@ -1,7 +1,7 @@
-From b0b2ec97adb0112861a9471779ba25c2e68ade81 Mon Sep 17 00:00:00 2001
+From 7d47a03f7dd575061e7503edef4511a37b7355e6 Mon Sep 17 00:00:00 2001
 From: dseefeld <dseefeld@microsoft.com>
 Date: Tue, 29 Oct 2019 18:19:03 +0000
-Subject: [PATCH] Use non-portable NETCoreAppRuntime for crossgen
+Subject: [PATCH 7/9] Use non-portable NETCoreAppRuntime for crossgen
 
 ---
  eng/Dependencies.props                                    | 1 +
@@ -9,10 +9,10 @@ Subject: [PATCH] Use non-portable NETCoreAppRuntime for crossgen
  2 files changed, 5 insertions(+), 2 deletions(-)
 
 diff --git a/eng/Dependencies.props b/eng/Dependencies.props
-index 2e11857..2456577 100644
+index 8e7bb0ecd5..fca75d926c 100644
 --- a/eng/Dependencies.props
 +++ b/eng/Dependencies.props
-@@ -110,6 +110,7 @@ and are generated based on the last package release.
+@@ -113,6 +113,7 @@ and are generated based on the last package release.
      <LatestPackageReference Include="microsoft.netcore.app.runtime.linux-arm64" Version="$(MicrosoftNETCoreAppRuntimeVersion)" />
      <LatestPackageReference Include="microsoft.netcore.app.runtime.linux-musl-x64" Version="$(MicrosoftNETCoreAppRuntimeVersion)" />
      <LatestPackageReference Include="microsoft.netcore.app.runtime.linux-musl-arm64" Version="$(MicrosoftNETCoreAppRuntimeVersion)" />
@@ -21,10 +21,10 @@ index 2e11857..2456577 100644
  
    <ItemGroup Label=".NET team dependencies (Non-source-build)" Condition="'$(DotNetBuildFromSource)' != 'true'">
 diff --git a/src/Framework/src/Microsoft.AspNetCore.App.Runtime.csproj b/src/Framework/src/Microsoft.AspNetCore.App.Runtime.csproj
-index 9b6fe29..e4717cf 100644
+index 90a77196ff..61cdd770ea 100644
 --- a/src/Framework/src/Microsoft.AspNetCore.App.Runtime.csproj
 +++ b/src/Framework/src/Microsoft.AspNetCore.App.Runtime.csproj
-@@ -100,7 +100,9 @@ This package is an internal implementation of the .NET Core SDK and is not meant
+@@ -106,7 +106,9 @@ This package is an internal implementation of the .NET Core SDK and is not meant
      <CrossgenToolPackagePath Condition=" '$(TargetRuntimeIdentifier)' == 'linux-arm64' OR '$(TargetRuntimeIdentifier)' == 'linux-musl-arm64' ">x64_arm64\$(CrossgenToolPackagePath)</CrossgenToolPackagePath>
      <CrossgenToolPackagePath Condition=" '$(TargetRuntimeIdentifier)' == 'win-arm' ">x86_arm\$(CrossgenToolPackagePath)</CrossgenToolPackagePath>
  
@@ -35,7 +35,7 @@ index 9b6fe29..e4717cf 100644
      <RuntimePackageRoot>$([MSBuild]::EnsureTrailingSlash('$(RuntimePackageRoot)'))</RuntimePackageRoot>
      <CrossgenToolPath>$([System.IO.Path]::Combine('$(RuntimePackageRoot)', 'tools', '$(CrossgenToolPackagePath)'))</CrossgenToolPath>
      <AssetTargetFallback>$(AssetTargetFallback);native,Version=0.0</AssetTargetFallback>
-@@ -115,7 +117,7 @@ This package is an internal implementation of the .NET Core SDK and is not meant
+@@ -121,7 +123,7 @@ This package is an internal implementation of the .NET Core SDK and is not meant
        <IncludeAssets>Runtime;Native</IncludeAssets>
      </Reference>
  
@@ -45,5 +45,5 @@ index 9b6fe29..e4717cf 100644
      <ProjectReference Condition="'$(BuildIisNativeProjects)' == 'true' AND '$(BuildNative)' != 'false' AND '$(VCTargetsPath)' != ''" Include="$(RepoRoot)src\Servers\IIS\AspNetCoreModuleV2\InProcessRequestHandler\InProcessRequestHandler.vcxproj">
        <SetPlatform>Platform=$(TargetArchitecture)</SetPlatform>
 -- 
-1.8.3.1
+2.18.0
 
diff --git a/patches/aspnetcore/0010-Conditionally-set-PackAsToolShimRID.patch b/patches/aspnetcore/0008-Conditionally-set-PackAsToolShimRID.patch
similarity index 84%
rename from patches/aspnetcore/0010-Conditionally-set-PackAsToolShimRID.patch
rename to patches/aspnetcore/0008-Conditionally-set-PackAsToolShimRID.patch
index 421cece3e9..0b897e12c8 100644
--- a/patches/aspnetcore/0010-Conditionally-set-PackAsToolShimRID.patch
+++ b/patches/aspnetcore/0008-Conditionally-set-PackAsToolShimRID.patch
@@ -1,14 +1,14 @@
-From f104432d0ed2d09759e6976e6fe773e4bfabd7ce Mon Sep 17 00:00:00 2001
+From 3593070e7e02f5d4609c0ea76defd409366ff199 Mon Sep 17 00:00:00 2001
 From: dseefeld <dseefeld@microsoft.com>
 Date: Thu, 31 Oct 2019 20:38:26 +0000
-Subject: [PATCH] Conditionally set PackAsToolShimRID
+Subject: [PATCH 8/9] Conditionally set PackAsToolShimRID
 
 ---
  Directory.Build.targets | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/Directory.Build.targets b/Directory.Build.targets
-index c31b6f6..2b92c4b 100644
+index b03555c354..5a750c9329 100644
 --- a/Directory.Build.targets
 +++ b/Directory.Build.targets
 @@ -46,7 +46,7 @@
@@ -21,5 +21,5 @@ index c31b6f6..2b92c4b 100644
      <PackAsToolShimRuntimeIdentifiers>win-x64;win-x86</PackAsToolShimRuntimeIdentifiers>
    </PropertyGroup>
 -- 
-1.8.3.1
+2.18.0
 
diff --git a/patches/aspnetcore/0008-Update-NuGetBuildTasks-version-to-ref-pkg-version.patch b/patches/aspnetcore/0008-Update-NuGetBuildTasks-version-to-ref-pkg-version.patch
deleted file mode 100644
index 579a2cdab2..0000000000
--- a/patches/aspnetcore/0008-Update-NuGetBuildTasks-version-to-ref-pkg-version.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From 02c8003d8505237a7d12b45d7b96d0324609b0a0 Mon Sep 17 00:00:00 2001
-From: dseefeld <dseefeld@microsoft.com>
-Date: Wed, 9 Oct 2019 19:27:51 +0000
-Subject: [PATCH] Update NuGetBuildTasks version to ref pkg version
-
----
- eng/tools/RepoTasks/RepoTasks.csproj | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/eng/tools/RepoTasks/RepoTasks.csproj b/eng/tools/RepoTasks/RepoTasks.csproj
-index 3f8c247..ff0cf5b 100644
---- a/eng/tools/RepoTasks/RepoTasks.csproj
-+++ b/eng/tools/RepoTasks/RepoTasks.csproj
-@@ -12,7 +12,7 @@
-   </PropertyGroup>
- 
-   <ItemGroup>
--    <PackageReference Include="NuGet.Build.Tasks" Version="5.1.0-rtm.5921" />
-+    <PackageReference Include="NuGet.Build.Tasks" Version="5.1.0" />
-     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />
-   </ItemGroup>
- 
--- 
-1.8.3.1
-
diff --git a/patches/aspnetcore/0009-TargetFramework-changes.patch b/patches/aspnetcore/0009-TargetFramework-changes.patch
new file mode 100644
index 0000000000..f8e8402a14
--- /dev/null
+++ b/patches/aspnetcore/0009-TargetFramework-changes.patch
@@ -0,0 +1,253 @@
+From db9994e7dd90b110d0cbf2079c4e2a7548ef47f3 Mon Sep 17 00:00:00 2001
+From: Chris Rummel <crummel@microsoft.com>
+Date: Thu, 7 Nov 2019 14:02:17 -0600
+Subject: [PATCH 9/9] TargetFramework changes
+
+---
+ .../ref/Microsoft.AspNetCore.Components.Authorization.csproj  | 4 ++--
+ .../Forms/ref/Microsoft.AspNetCore.Components.Forms.csproj    | 4 ++--
+ .../Web/ref/Microsoft.AspNetCore.Components.Web.csproj        | 4 ++--
+ .../ref/Microsoft.AspNetCore.DataProtection.csproj            | 4 ++--
+ .../ref/Microsoft.AspNetCore.DataProtection.Extensions.csproj | 4 ++--
+ .../ref/Microsoft.AspNetCore.Http.Features.csproj             | 4 ++--
+ .../ref/Microsoft.Extensions.Identity.Core.csproj             | 4 ++--
+ .../ref/Microsoft.Extensions.Identity.Stores.csproj           | 4 ++--
+ .../Core/ref/Microsoft.AspNetCore.Authorization.csproj        | 4 ++--
+ .../ref/Microsoft.AspNetCore.Connections.Abstractions.csproj  | 2 +-
+ .../ref/Microsoft.AspNetCore.Http.Connections.Common.csproj   | 4 ++--
+ .../ref/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj    | 4 ++--
+ .../ref/Microsoft.AspNetCore.SignalR.Common.csproj            | 4 ++--
+ 13 files changed, 25 insertions(+), 25 deletions(-)
+
+diff --git a/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.csproj b/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.csproj
+index 8776ab9fef..fe832053f0 100644
+--- a/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.csproj
++++ b/src/Components/Authorization/ref/Microsoft.AspNetCore.Components.Authorization.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.Components.Authorization.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Authorization"  />
+     <Reference Include="Microsoft.AspNetCore.Components"  />
+diff --git a/src/Components/Forms/ref/Microsoft.AspNetCore.Components.Forms.csproj b/src/Components/Forms/ref/Microsoft.AspNetCore.Components.Forms.csproj
+index b3fe863ead..5cbfcf0f61 100644
+--- a/src/Components/Forms/ref/Microsoft.AspNetCore.Components.Forms.csproj
++++ b/src/Components/Forms/ref/Microsoft.AspNetCore.Components.Forms.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.Components.Forms.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Components"  />
+     <Reference Include="System.ComponentModel.Annotations"  />
+diff --git a/src/Components/Web/ref/Microsoft.AspNetCore.Components.Web.csproj b/src/Components/Web/ref/Microsoft.AspNetCore.Components.Web.csproj
+index 6415de5e4f..cd6e2f0e33 100644
+--- a/src/Components/Web/ref/Microsoft.AspNetCore.Components.Web.csproj
++++ b/src/Components/Web/ref/Microsoft.AspNetCore.Components.Web.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.Components.Web.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Components"  />
+     <Reference Include="Microsoft.AspNetCore.Components.Forms"  />
+diff --git a/src/DataProtection/DataProtection/ref/Microsoft.AspNetCore.DataProtection.csproj b/src/DataProtection/DataProtection/ref/Microsoft.AspNetCore.DataProtection.csproj
+index 9f8c21ba0f..f7c4059289 100644
+--- a/src/DataProtection/DataProtection/ref/Microsoft.AspNetCore.DataProtection.csproj
++++ b/src/DataProtection/DataProtection/ref/Microsoft.AspNetCore.DataProtection.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.DataProtection.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Cryptography.Internal"  />
+     <Reference Include="Microsoft.AspNetCore.DataProtection.Abstractions"  />
+diff --git a/src/DataProtection/Extensions/ref/Microsoft.AspNetCore.DataProtection.Extensions.csproj b/src/DataProtection/Extensions/ref/Microsoft.AspNetCore.DataProtection.Extensions.csproj
+index d2d166c02d..fe7b5e1b74 100644
+--- a/src/DataProtection/Extensions/ref/Microsoft.AspNetCore.DataProtection.Extensions.csproj
++++ b/src/DataProtection/Extensions/ref/Microsoft.AspNetCore.DataProtection.Extensions.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.DataProtection.Extensions.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.DataProtection"  />
+     <Reference Include="Microsoft.Extensions.DependencyInjection"  />
+diff --git a/src/Http/Http.Features/ref/Microsoft.AspNetCore.Http.Features.csproj b/src/Http/Http.Features/ref/Microsoft.AspNetCore.Http.Features.csproj
+index 410b369e19..dc8fca8948 100644
+--- a/src/Http/Http.Features/ref/Microsoft.AspNetCore.Http.Features.csproj
++++ b/src/Http/Http.Features/ref/Microsoft.AspNetCore.Http.Features.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.Http.Features.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Primitives"  />
+     <Reference Include="System.IO.Pipelines"  />
+diff --git a/src/Identity/Extensions.Core/ref/Microsoft.Extensions.Identity.Core.csproj b/src/Identity/Extensions.Core/ref/Microsoft.Extensions.Identity.Core.csproj
+index 1d35660722..2a7b686794 100644
+--- a/src/Identity/Extensions.Core/ref/Microsoft.Extensions.Identity.Core.csproj
++++ b/src/Identity/Extensions.Core/ref/Microsoft.Extensions.Identity.Core.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Identity.Core.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Cryptography.KeyDerivation"  />
+     <Reference Include="Microsoft.Extensions.Logging"  />
+diff --git a/src/Identity/Extensions.Stores/ref/Microsoft.Extensions.Identity.Stores.csproj b/src/Identity/Extensions.Stores/ref/Microsoft.Extensions.Identity.Stores.csproj
+index c101e8c68d..1de4214ed1 100644
+--- a/src/Identity/Extensions.Stores/ref/Microsoft.Extensions.Identity.Stores.csproj
++++ b/src/Identity/Extensions.Stores/ref/Microsoft.Extensions.Identity.Stores.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.Extensions.Identity.Stores.netstandard2.0.cs" />
+     <Reference Include="Microsoft.Extensions.Logging"  />
+     <Reference Include="Microsoft.Extensions.Identity.Core"  />
+diff --git a/src/Security/Authorization/Core/ref/Microsoft.AspNetCore.Authorization.csproj b/src/Security/Authorization/Core/ref/Microsoft.AspNetCore.Authorization.csproj
+index 88480c4611..2ffc59bedf 100644
+--- a/src/Security/Authorization/Core/ref/Microsoft.AspNetCore.Authorization.csproj
++++ b/src/Security/Authorization/Core/ref/Microsoft.AspNetCore.Authorization.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.Authorization.netstandard2.0.cs" />
+     <Compile Include="Microsoft.AspNetCore.Authorization.Manual.cs" />
+     <Reference Include="Microsoft.AspNetCore.Metadata"  />
+diff --git a/src/Servers/Connections.Abstractions/ref/Microsoft.AspNetCore.Connections.Abstractions.csproj b/src/Servers/Connections.Abstractions/ref/Microsoft.AspNetCore.Connections.Abstractions.csproj
+index c97c8dfe9b..4b16833ead 100644
+--- a/src/Servers/Connections.Abstractions/ref/Microsoft.AspNetCore.Connections.Abstractions.csproj
++++ b/src/Servers/Connections.Abstractions/ref/Microsoft.AspNetCore.Connections.Abstractions.csproj
+@@ -1,7 +1,7 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+diff --git a/src/SignalR/common/Http.Connections.Common/ref/Microsoft.AspNetCore.Http.Connections.Common.csproj b/src/SignalR/common/Http.Connections.Common/ref/Microsoft.AspNetCore.Http.Connections.Common.csproj
+index 12cd68e60b..21aec24ecf 100644
+--- a/src/SignalR/common/Http.Connections.Common/ref/Microsoft.AspNetCore.Http.Connections.Common.csproj
++++ b/src/SignalR/common/Http.Connections.Common/ref/Microsoft.AspNetCore.Http.Connections.Common.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.Http.Connections.Common.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Connections.Abstractions"  />
+     <Reference Include="System.Text.Json"  />
+diff --git a/src/SignalR/common/Protocols.Json/ref/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj b/src/SignalR/common/Protocols.Json/ref/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj
+index 9b5134468f..83af8e9a5a 100644
+--- a/src/SignalR/common/Protocols.Json/ref/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj
++++ b/src/SignalR/common/Protocols.Json/ref/Microsoft.AspNetCore.SignalR.Protocols.Json.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.SignalR.Protocols.Json.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.SignalR.Common"  />
+   </ItemGroup>
+diff --git a/src/SignalR/common/SignalR.Common/ref/Microsoft.AspNetCore.SignalR.Common.csproj b/src/SignalR/common/SignalR.Common/ref/Microsoft.AspNetCore.SignalR.Common.csproj
+index 95fdf6b70e..c695d49fdf 100644
+--- a/src/SignalR/common/SignalR.Common/ref/Microsoft.AspNetCore.SignalR.Common.csproj
++++ b/src/SignalR/common/SignalR.Common/ref/Microsoft.AspNetCore.SignalR.Common.csproj
+@@ -1,11 +1,11 @@
+ <!-- This file is automatically generated. -->
+ <Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+-    <TargetFrameworks>netstandard2.0;netcoreapp3.0</TargetFrameworks>
++    <TargetFrameworks>netstandard2.1;netcoreapp3.0</TargetFrameworks>
+     <ExcludeFromSourceBuild>false</ExcludeFromSourceBuild>
+ 
+   </PropertyGroup>
+-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
++  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
+     <Compile Include="Microsoft.AspNetCore.SignalR.Common.netstandard2.0.cs" />
+     <Reference Include="Microsoft.AspNetCore.Connections.Abstractions"  />
+     <Reference Include="Microsoft.Extensions.Options"  />
+-- 
+2.18.0
+
diff --git a/patches/aspnetcore/0004-Match-new-NuGet-MSBuild-version.patch b/patches/aspnetcore/0010-Revert-to-reference-versions-of-source-built-package.patch
similarity index 56%
rename from patches/aspnetcore/0004-Match-new-NuGet-MSBuild-version.patch
rename to patches/aspnetcore/0010-Revert-to-reference-versions-of-source-built-package.patch
index a98591fb90..2355eb7563 100644
--- a/patches/aspnetcore/0004-Match-new-NuGet-MSBuild-version.patch
+++ b/patches/aspnetcore/0010-Revert-to-reference-versions-of-source-built-package.patch
@@ -1,23 +1,29 @@
-From 720b538e1aa3a456ed5d518c4b1fa011a7e74e6c Mon Sep 17 00:00:00 2001
+From f4fab451e8ee7c8e6ae9601366da46fef5fde3bc Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
-Date: Thu, 15 Aug 2019 16:38:08 -0500
-Subject: [PATCH 4/6] Match new NuGet MSBuild version.
+Date: Sun, 10 Nov 2019 09:12:17 -0600
+Subject: [PATCH 10/10] Revert to reference versions of source-built packages
 
 ---
- eng/tools/RepoTasks/RepoTasks.csproj | 6 +++---
- 1 file changed, 3 insertions(+), 3 deletions(-)
+ eng/tools/RepoTasks/RepoTasks.csproj | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/eng/tools/RepoTasks/RepoTasks.csproj b/eng/tools/RepoTasks/RepoTasks.csproj
-index 0bf6be98ae..3f8c247666 100644
+index 48c529fdd8..ff0cf5b264 100644
 --- a/eng/tools/RepoTasks/RepoTasks.csproj
 +++ b/eng/tools/RepoTasks/RepoTasks.csproj
-@@ -17,9 +17,9 @@
+@@ -12,14 +12,14 @@
+   </PropertyGroup>
+ 
+   <ItemGroup>
+-    <PackageReference Include="NuGet.Build.Tasks" Version="5.3.0" />
++    <PackageReference Include="NuGet.Build.Tasks" Version="5.1.0" />
+     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />
    </ItemGroup>
  
    <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.0'">
--    <PackageReference Include="Microsoft.Build.Framework" Version="15.8.166" />
--    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="15.8.166" />
--    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="15.8.166" />
+-    <PackageReference Include="Microsoft.Build.Framework" Version="16.3.0" />
+-    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="16.3.0" />
+-    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="16.3.0" />
 +    <PackageReference Include="Microsoft.Build.Framework" Version="15.7.179" />
 +    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="15.7.179" />
 +    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="15.7.179" />
@@ -25,5 +31,5 @@ index 0bf6be98ae..3f8c247666 100644
  
    <ItemGroup Condition="'$(TargetFramework)' == 'net472'">
 -- 
-2.21.0
+2.18.0
 
diff --git a/patches/core-sdk/0004-Patch-ASP.NET-directory.patch b/patches/core-sdk/0005-Patch-property-used-for-core-setup-version.patch
similarity index 54%
rename from patches/core-sdk/0004-Patch-ASP.NET-directory.patch
rename to patches/core-sdk/0005-Patch-property-used-for-core-setup-version.patch
index 345bd0e330..5ea48ff2ac 100644
--- a/patches/core-sdk/0004-Patch-ASP.NET-directory.patch
+++ b/patches/core-sdk/0005-Patch-property-used-for-core-setup-version.patch
@@ -1,25 +1,25 @@
-From 2f16ea842a6a921d9d304401aa56a131155ca8c6 Mon Sep 17 00:00:00 2001
+From 20e01d93d05085d6b64a55867fb398b0a5069066 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
-Date: Fri, 4 Oct 2019 15:18:12 -0500
-Subject: [PATCH 5/5] Patch ASP.NET directory
+Date: Sat, 9 Nov 2019 19:39:25 -0600
+Subject: [PATCH 5/5] Patch property used for core-setup version
 
 ---
  src/redist/targets/GenerateLayout.targets | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/src/redist/targets/GenerateLayout.targets b/src/redist/targets/GenerateLayout.targets
-index 962bb973a..593e37dde 100644
+index db089843c..1ab089e09 100644
 --- a/src/redist/targets/GenerateLayout.targets
 +++ b/src/redist/targets/GenerateLayout.targets
-@@ -10,7 +10,7 @@
- 
+@@ -11,7 +11,7 @@
    <PropertyGroup>
      <!-- Blob storage directories are not stabilized, so these must refer to a package that does not stabilize -->
--    <AspNetCoreBlobVersion>$(MicrosoftAspNetCoreDeveloperCertificatesXPlatPackageVersion)</AspNetCoreBlobVersion>
-+    <AspNetCoreBlobVersion>3.0.0</AspNetCoreBlobVersion>
-     <CoreSetupBlobVersion>$(MicrosoftNETCoreAppInternalPackageVersion)</CoreSetupBlobVersion>
+     <AspNetCoreBlobVersion>$(VSRedistCommonAspNetCoreTargetingPackx6430PackageVersion)</AspNetCoreBlobVersion>
+-    <CoreSetupBlobVersion>$(MicrosoftNETCoreAppInternalPackageVersion)</CoreSetupBlobVersion>
++    <CoreSetupBlobVersion>$(MicrosoftNETCoreAppRuntimePackageVersion)</CoreSetupBlobVersion>
  
      <!-- Change these individually to or $(CoreSetupBlobVersion) or $(AspNetCoreBlobVersion) if corresponding .Ref packages are unpinned. -->
+     <NETCoreAppTargetingPackBlobVersion>3.0.0</NETCoreAppTargetingPackBlobVersion>
 -- 
 2.18.0
 
diff --git a/patches/core-setup/0001-Use-pinned-version-of-MSBuild-reference-assemblies.patch b/patches/core-setup/0001-Use-pinned-version-of-MSBuild-reference-assemblies.patch
index eba993b85b..4159b3a6f7 100644
--- a/patches/core-setup/0001-Use-pinned-version-of-MSBuild-reference-assemblies.patch
+++ b/patches/core-setup/0001-Use-pinned-version-of-MSBuild-reference-assemblies.patch
@@ -1,14 +1,14 @@
-From 3d9a3e368ef7afc27062fc6fdc13bbf1cab4cda1 Mon Sep 17 00:00:00 2001
+From 743e12170c0fb0de2a717c7741452f7902e6d51b Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Fri, 2 Aug 2019 16:46:59 -0500
-Subject: [PATCH] Use pinned version of MSBuild reference assemblies.
+Subject: [PATCH 1/4] Use pinned version of MSBuild reference assemblies.
 
 ---
  tools-local/tasks/core-setup.tasks.csproj | 9 +++++----
  1 file changed, 5 insertions(+), 4 deletions(-)
 
 diff --git a/tools-local/tasks/core-setup.tasks.csproj b/tools-local/tasks/core-setup.tasks.csproj
-index e62dbb54..ad77ef86 100644
+index 3570674..49882d3 100644
 --- a/tools-local/tasks/core-setup.tasks.csproj
 +++ b/tools-local/tasks/core-setup.tasks.csproj
 @@ -21,10 +21,11 @@
@@ -28,5 +28,5 @@ index e62dbb54..ad77ef86 100644
      <PackageReference Include="System.Diagnostics.FileVersionInfo" Version="4.0.0" />
    </ItemGroup>
 -- 
-2.21.0
+1.8.3.1
 
diff --git a/patches/core-setup/0002-Try-ExcludeFromSourceBuild-in-windowsdesktop.patch b/patches/core-setup/0002-Try-ExcludeFromSourceBuild-in-windowsdesktop.patch
index 87d866bd2d..b8331634fa 100644
--- a/patches/core-setup/0002-Try-ExcludeFromSourceBuild-in-windowsdesktop.patch
+++ b/patches/core-setup/0002-Try-ExcludeFromSourceBuild-in-windowsdesktop.patch
@@ -1,14 +1,14 @@
-From 1cc0f98a7afd3dd49a95ea8f4a31f80f6805f75c Mon Sep 17 00:00:00 2001
+From d4761f52c50d78190349ed9feb06b1b61b312e53 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Sun, 4 Aug 2019 21:28:18 -0500
-Subject: [PATCH 2/2] Try ExcludeFromSourceBuild in windowsdesktop
+Subject: [PATCH 2/4] Try ExcludeFromSourceBuild in windowsdesktop
 
 ---
  src/pkg/projects/windowsdesktop/src/windowsdesktop.depproj | 3 +++
  1 file changed, 3 insertions(+)
 
 diff --git a/src/pkg/projects/windowsdesktop/src/windowsdesktop.depproj b/src/pkg/projects/windowsdesktop/src/windowsdesktop.depproj
-index 06214bd4..d8308082 100644
+index 06214bd..d830808 100644
 --- a/src/pkg/projects/windowsdesktop/src/windowsdesktop.depproj
 +++ b/src/pkg/projects/windowsdesktop/src/windowsdesktop.depproj
 @@ -1,4 +1,7 @@
@@ -20,5 +20,5 @@ index 06214bd4..d8308082 100644
    <ItemGroup>
      <PackageReference Include="Microsoft.DotNet.Wpf.DncEng" Version="$(MicrosoftDotNetWpfDncEngPackageVersion)" />
 -- 
-2.21.0
+1.8.3.1
 
diff --git a/patches/core-setup/0003-Pin-NuGetProjectModel-to-a-specific-version.patch b/patches/core-setup/0003-Pin-NuGetProjectModel-to-a-specific-version.patch
index 811130f589..aa99c65533 100644
--- a/patches/core-setup/0003-Pin-NuGetProjectModel-to-a-specific-version.patch
+++ b/patches/core-setup/0003-Pin-NuGetProjectModel-to-a-specific-version.patch
@@ -1,14 +1,14 @@
-From fc6ccb652c8c8a4e67093fe8157e430a6253a242 Mon Sep 17 00:00:00 2001
+From 96c7a68ef24988d4d7b8ab2bd8376c35662e4d4a Mon Sep 17 00:00:00 2001
 From: dseefeld <dseefeld@microsoft.com>
 Date: Thu, 5 Sep 2019 14:06:44 +0000
-Subject: [PATCH] Pin NuGetProjectModel to a specific version
+Subject: [PATCH 3/4] Pin NuGetProjectModel to a specific version
 
 ---
  tools-local/tasks/core-setup.tasks.csproj | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/tools-local/tasks/core-setup.tasks.csproj b/tools-local/tasks/core-setup.tasks.csproj
-index e62dbb5..ccf2815 100644
+index 49882d3..2349700 100644
 --- a/tools-local/tasks/core-setup.tasks.csproj
 +++ b/tools-local/tasks/core-setup.tasks.csproj
 @@ -15,7 +15,7 @@
diff --git a/patches/core-setup/0004-Don-t-call-dotnet-without-a-path.patch b/patches/core-setup/0004-Don-t-call-dotnet-without-a-path.patch
index 2b1d6f0c11..37d5c4f280 100644
--- a/patches/core-setup/0004-Don-t-call-dotnet-without-a-path.patch
+++ b/patches/core-setup/0004-Don-t-call-dotnet-without-a-path.patch
@@ -1,6 +1,6 @@
-From 291781045d57a96ea3b3d143f9e1b2d29724987c Mon Sep 17 00:00:00 2001
+From 2ec8eb30c45ed2a5d48659f50960133471fb9ae5 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
-Date: Thu, 3 Oct 2019 16:39:01 -0500
+Date: Sun, 10 Nov 2019 12:22:30 -0600
 Subject: [PATCH 4/4] Don't call dotnet without a path
 
 ---
diff --git a/patches/corefx/0001-Enable-sourcelink-in-source-build.patch b/patches/corefx/0001-Enable-sourcelink-in-source-build.patch
index e6c4302050..d3bc6b4a48 100644
--- a/patches/corefx/0001-Enable-sourcelink-in-source-build.patch
+++ b/patches/corefx/0001-Enable-sourcelink-in-source-build.patch
@@ -1,17 +1,17 @@
-From 0b55c791f7f36d65f4e1e4fbb75e956ff54d3797 Mon Sep 17 00:00:00 2001
+From fca777a18a5d48e8add0c70cad2d690e48556bd6 Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
 Date: Wed, 7 Aug 2019 23:39:59 -0500
-Subject: [PATCH 1/3] Enable sourcelink in source-build
+Subject: [PATCH 1/4] Enable sourcelink in source-build
 
 ---
  eng/Tools.props | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/eng/Tools.props b/eng/Tools.props
-index 9d934f6..1898627 100644
+index cfe49be3c6..025f8ab9af 100644
 --- a/eng/Tools.props
 +++ b/eng/Tools.props
-@@ -16,6 +16,10 @@
+@@ -20,6 +20,10 @@
  
      <!-- roslyn -->
      <PackageReference Include="Microsoft.Net.Compilers.Toolset" Version="$(MicrosoftNetCompilersToolsetVersion)" PrivateAssets="all" IsImplicitlyDefined="true" />
@@ -22,7 +22,7 @@ index 9d934f6..1898627 100644
    </ItemGroup>
  
    <!-- excluded from offline portion of source build -->
-@@ -30,10 +34,6 @@
+@@ -34,10 +38,6 @@
      <PackageReference Include="Microsoft.DotNet.Build.Tasks.Feed" Version="$(MicrosoftDotNetBuildTasksFeedVersion)" />
      <PackageReference Include="Microsoft.DotNet.VersionTools.Tasks" Version="$(MicrosoftDotNetVersionToolsTasksPackageVersion)" />
  
@@ -34,5 +34,5 @@ index 9d934f6..1898627 100644
      <PackageReference Include="Microsoft.DotNet.UAP.TestTools" Version="$(MicrosoftDotNetUapTestToolsPackageVersion)" Condition="$(TargetGroup.StartsWith('uap'))" PrivateAssets="all" IsImplicitlyDefined="true" />
    </ItemGroup>
 -- 
-1.8.3.1
+2.18.0
 
diff --git a/patches/corefx/0002-Enable-tests-for-CoreFX-in-s-b.patch b/patches/corefx/0002-Enable-tests-for-CoreFX-in-s-b.patch
index 10806a8ee0..9838b22347 100644
--- a/patches/corefx/0002-Enable-tests-for-CoreFX-in-s-b.patch
+++ b/patches/corefx/0002-Enable-tests-for-CoreFX-in-s-b.patch
@@ -1,7 +1,7 @@
-From 6b6f01b6c504055355c9da5acdedd1dd84a59184 Mon Sep 17 00:00:00 2001
+From 68ef8b67ed549ea76791d4e9706e5e790ffa2644 Mon Sep 17 00:00:00 2001
 From: adaggarwal <aditya.aggarwal@microsoft.com>
 Date: Mon, 5 Aug 2019 18:21:28 +0000
-Subject: [PATCH 2/3] Enable tests for CoreFX in s-b
+Subject: [PATCH 2/4] Enable tests for CoreFX in s-b
 
 ---
  Directory.Build.props | 9 +++++++++
@@ -10,10 +10,10 @@ Subject: [PATCH 2/3] Enable tests for CoreFX in s-b
  3 files changed, 12 insertions(+), 2 deletions(-)
 
 diff --git a/Directory.Build.props b/Directory.Build.props
-index 5e9fdb6..f9938fe 100644
+index 0272828bbd..61df83ee4b 100644
 --- a/Directory.Build.props
 +++ b/Directory.Build.props
-@@ -346,6 +346,15 @@
+@@ -350,6 +350,15 @@
      <PackageConflictPlatformManifests Include="$(PlatformManifestFile)" />
    </ItemGroup>
  
@@ -30,7 +30,7 @@ index 5e9fdb6..f9938fe 100644
    <ItemGroup>
      <ProjectExclusions Include="$(SourceDir)System.Private.Reflection.Metadata.Ecma335/**/*.csproj" />
 diff --git a/build.proj b/build.proj
-index 09b69e0..46f76be 100644
+index 09b69e0f2a..46f76be42f 100644
 --- a/build.proj
 +++ b/build.proj
 @@ -22,7 +22,8 @@
@@ -44,7 +44,7 @@ index 09b69e0..46f76be 100644
      </ItemGroup>
  
 diff --git a/src/dirs.proj b/src/dirs.proj
-index af8d308..30932b8 100644
+index af8d308269..30932b8447 100644
 --- a/src/dirs.proj
 +++ b/src/dirs.proj
 @@ -13,7 +13,7 @@
@@ -57,5 +57,5 @@ index af8d308..30932b8 100644
  
    <!-- Don't build System.Text.Encodings.Web tools as part of build; they're intended to be run manually. -->
 -- 
-1.8.3.1
+2.18.0
 
diff --git a/patches/corefx/0003-Don-t-call-dotnet-without-path.patch b/patches/corefx/0004-Don-t-call-dotnet-without-a-path.patch
similarity index 83%
rename from patches/corefx/0003-Don-t-call-dotnet-without-path.patch
rename to patches/corefx/0004-Don-t-call-dotnet-without-a-path.patch
index 516392f9d9..20b4082f9b 100644
--- a/patches/corefx/0003-Don-t-call-dotnet-without-path.patch
+++ b/patches/corefx/0004-Don-t-call-dotnet-without-a-path.patch
@@ -1,7 +1,7 @@
-From 0f7c45e7747ec19571792038cf9c2f19e1af5076 Mon Sep 17 00:00:00 2001
+From 4225ed192088019f7d591de7048007986ef4f13a Mon Sep 17 00:00:00 2001
 From: Chris Rummel <crummel@microsoft.com>
-Date: Thu, 3 Oct 2019 11:24:29 -0500
-Subject: [PATCH 3/3] Don't call dotnet without path
+Date: Wed, 6 Nov 2019 13:27:53 -0600
+Subject: [PATCH 4/4] Don't call dotnet without a path
 
 ---
  eng/common/tools.sh | 6 +++---
diff --git a/repos/aspnet-extensions.proj b/repos/aspnet-extensions.proj
index 5478c0af29..d987131b69 100644
--- a/repos/aspnet-extensions.proj
+++ b/repos/aspnet-extensions.proj
@@ -7,10 +7,13 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))/dir.props" />
 
   <PropertyGroup>
-    <BuildCommandArgs/>
+    <BuildCommandArgs>--build --pack</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) --configuration $(Configuration)</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) --binaryLog</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) -ci</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) $(FlagParameterPrefix)warnAsError $(ArcadeFalseBoolBuildArg)</BuildCommandArgs>
+    <!-- build all packages, not just the ones being serviced -->
+    <BuildCommandArgs>$(BuildCommandArgs) /p:DisableServicingFeatures=true</BuildCommandArgs>
     <BuildCommand>$(ProjectDirectory)build$(ShellExtension) $(BuildCommandArgs)</BuildCommand>
 
     <GlobalJsonFile>$(ProjectDirectory)global.json</GlobalJsonFile>
diff --git a/repos/aspnetcore.proj b/repos/aspnetcore.proj
index 86014b2a33..998a24f032 100644
--- a/repos/aspnetcore.proj
+++ b/repos/aspnetcore.proj
@@ -14,6 +14,7 @@
     <BuildCommandArgs>$(BuildCommandArgs) /p:BuildNodeJs=false</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:SourceBuildRuntimeIdentifier=$(TargetRid)</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:UseAppHost=false</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) /p:CrossgenOutput=false</BuildCommandArgs>
 
     <LogVerbosityOptOut>true</LogVerbosityOptOut>
     <BuildCommandArgs>$(BuildCommandArgs) -v $(LogVerbosity)</BuildCommandArgs>
diff --git a/repos/core-setup.proj b/repos/core-setup.proj
index 00d5c276c0..c09c9bd193 100644
--- a/repos/core-setup.proj
+++ b/repos/core-setup.proj
@@ -44,6 +44,9 @@
     <EnvironmentRestoreSources Condition="'$(OfflineBuild)' != 'true'">$(EnvironmentRestoreSources)%3Bhttps://api.nuget.org/v3/index.json</EnvironmentRestoreSources>
     <EnvironmentRestoreSources Condition="'$(OfflineBuild)' != 'true'">$(EnvironmentRestoreSources)%3Bhttps://dotnetfeed.blob.core.windows.net/dotnet-core/index.json</EnvironmentRestoreSources>
     <EnvironmentRestoreSources Condition="'$(OfflineBuild)' != 'true'">$(EnvironmentRestoreSources)%3Bhttps://dotnetfeed.blob.core.windows.net/dotnet-tools-internal/index.json</EnvironmentRestoreSources>
+
+    <!-- core-setup does not destabilize for intermediate servicing builds -->
+    <IsStable>true</IsStable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/repos/dir.props b/repos/dir.props
index 0b905bfada..deb6fb876e 100644
--- a/repos/dir.props
+++ b/repos/dir.props
@@ -15,6 +15,7 @@
     <MinimalConsoleLogOutput Condition="'$(MinimalConsoleLogOutput)' == ''">true</MinimalConsoleLogOutput>
     <RepoConsoleLogFile>$(LoggingDir)$(RepositoryName).log</RepoConsoleLogFile>
     <RedirectRepoOutputToLog Condition="'$(MinimalConsoleLogOutput)' == 'true'">&gt;&gt; $(RepoConsoleLogFile) 2&gt;&amp;1</RedirectRepoOutputToLog>
+    <IsStable Condition="'$(UseStableVersions)' == 'true'">true</IsStable>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(OS)' == 'Windows_NT'">
diff --git a/smoke-test.sh b/smoke-test.sh
index f0f67c7684..f46b9447ad 100755
--- a/smoke-test.sh
+++ b/smoke-test.sh
@@ -338,6 +338,9 @@ else
     fi
 fi
 
+echo SDK under test is:
+"$dotnetDir/dotnet" --info
+
 # setup restore path
 export NUGET_PACKAGES="$restoredPackagesDir"
 SOURCE_BUILT_PKGS_PATH="$SCRIPT_ROOT/bin/obj/x64/$configuration/blob-feed/packages/"
diff --git a/smoke-testNuGet.Config b/smoke-testNuGet.Config
index 1559c1e675..86bc16dbd2 100644
--- a/smoke-testNuGet.Config
+++ b/smoke-testNuGet.Config
@@ -3,6 +3,14 @@
   <packageSources>
     <!--To inherit the global NuGet package sources remove the <clear/> line below -->
     <clear />
+    <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
+    <add key="darc-pub-microsoft-msbuild-e481bbf" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-microsoft-msbuild-e481bbf8/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-core-setup-edb6dcec" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-core-setup-edb6dcec/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-standard-a5b5f2e" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-standard-a5b5f2e1/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-Extensions-0b951c1" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-Extensions-0b951c16/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-AspNetCore-Tooling-16b0ca4" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-AspNetCore-Tooling-16b0ca4a/nuget/v3/index.json" />
+    <add key="darc-pub-aspnet-AspNetCore-aee5e40" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-aspnet-AspNetCore-aee5e408/nuget/v3/index.json" />
+    <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="source-built-packages" value="SOURCE_BUILT_PACKAGES" />
     <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
     <add key="dotnet.myget.org/feed/dotnet-core" value="https://dotnet.myget.org/F/dotnet-core/api/v3/index.json" />
diff --git a/tools-local/prebuilt-baseline-online.xml b/tools-local/prebuilt-baseline-online.xml
old mode 100755
new mode 100644
index 773b678ea5..94fe1e6e39
--- a/tools-local/prebuilt-baseline-online.xml
+++ b/tools-local/prebuilt-baseline-online.xml
@@ -3,35 +3,35 @@
   <ProjectDirectories>
     <Dir>bin/src/ApplicationInsights-dotnet.53b80940842204f78708a538628288ff5d741a1d/</Dir>
     <Dir>bin/src/arcade.ce459ae07c3d7a1e68251268855e0bc7b3d97f75/</Dir>
-    <Dir>bin/src/Extensions.0b951c16de0f39e13cce8372e11c28eb90576662/</Dir>
+    <Dir>bin/src/Extensions.7dbc3ebd20c79ecf311c768be865c02ff4676836/</Dir>
     <Dir>bin/src/xdt.c01a538851a8ab1a1fbeb2e6243f391fff7587b4/</Dir>
-    <Dir>bin/src/AspNetCore-Tooling.16b0ca4a5838c39c8852e6cf144232597e2bee2e/</Dir>
-    <Dir>bin/src/AspNetCore.aee5e4080331553ea9dfb7fb388b6d72f715bf6a/</Dir>
-    <Dir>bin/src/cli.2bb5a58198c6d96aae157ea3a119867b57cd839d/</Dir>
+    <Dir>bin/src/AspNetCore-Tooling.7471a3daf7ba17c22da59cf5815ff1a2b9926bcf/</Dir>
+    <Dir>bin/src/AspNetCore.22dedcb2f0de59022e0383e1f05c9caffc708522/</Dir>
+    <Dir>bin/src/cli.3df3c6d5406e217c5dc7ea1cdd4abffbc9eea3ea/</Dir>
     <Dir>bin/src/cliCommandLineParser.0e89c2116ad28e404ba56c14d1c3f938caa25a01/</Dir>
     <Dir>bin/src/common.6e37cdfe96ac8b06a923242120169fafacd720e6/</Dir>
-    <Dir>bin/src/core-sdk.f08e8bc516c2d598c8b0fba247bf8eac5e329a91/</Dir>
-    <Dir>bin/src/core-setup.0bdbe6b3a7caf32a4f594196effe56a941980d7b/</Dir>
-    <Dir>bin/src/coreclr.68ff240063fc2ddb9b03275ae5d5063a09d38ace/</Dir>
-    <Dir>bin/src/corefx.54d63c3e283e0c3937a35ab4e99f391c84ff119e/</Dir>
+    <Dir>bin/src/core-sdk.ec736cbd54dc2b75a36acda4a7c00e4b99c7d094/</Dir>
+    <Dir>bin/src/core-setup.32085cbc728e1016c9d6a7bc105845f0f9eb6b47/</Dir>
+    <Dir>bin/src/coreclr.ecfe3bca7cfbd413415af9d2bcccb5f9a361f962/</Dir>
+    <Dir>bin/src/corefx.c1778515a3bee34cc09c757b5563d0af0c8b1e99/</Dir>
     <Dir>bin/src/fsharp.0422ff293bb2cc722fe5021b85ef50378a9af823/</Dir>
     <Dir>bin/src/known-good-tests./</Dir>
     <Dir>bin/src/known-good./</Dir>
     <Dir>bin/src/linker.1127689f262d52ea8ff68ef03d706fa62b3b40a1/</Dir>
-    <Dir>bin/src/msbuild.0f4c62feac0a5726f63b56472de7b1c1527459fc/</Dir>
+    <Dir>bin/src/msbuild.e481bbf88fd4a406cc8a98c2f46e9bda8e76be69/</Dir>
     <Dir>src/netcorecli-fsc/</Dir>
     <Dir>bin/src/Newtonsoft.Json.cac0690ad133c5e166ce5642dc71175791404fad/</Dir>
     <Dir>bin/src/Newtonsoft.Json.e43dae94c26f0c30e9095327a3a9eac87193923d/</Dir>
-    <Dir>bin/src/NuGet.Client.b75150f2f4127a77a166c9552845e86fb24a3282/</Dir>
+    <Dir>bin/src/NuGet.Client.f2c670b0b7cdc018dc708666b2d58699d9654e42/</Dir>
     <Dir>src/package-source-build/</Dir>
     <Dir>bin/src/roslyn.66a912c9463eebe832cf742d2fe8bb2e1a4600ec/</Dir>
-    <Dir>bin/src/sdk.3819a21a612cd8bc15b6f6c4e361d18490469577/</Dir>
+    <Dir>bin/src/sdk.5c9dd04241f307f1aa6b3643d5e07ea89a1dad4a/</Dir>
     <Dir>bin/src/sourcelink.855afb5af9ea79e63dd9c051a7cfe0941bbb5ced/</Dir>
     <Dir>bin/src/standard.a5b5f2e1e369972c8ff1e2183979fab6099f52ef/</Dir>
     <Dir>bin/src/templating.a776e417c83c52908298b3767e462feae8b18b98/</Dir>
-    <Dir>bin/src/toolset.6a8609fc2c10ee908977238e5c6bc48b926491da/</Dir>
+    <Dir>bin/src/toolset.4742a2d9c56b249808bab066a12a50554377a90b/</Dir>
     <Dir>bin/src/vstest.55e7e45431c9c05656c999b902686e7402664573/</Dir>
-    <Dir>bin/src/websdk.9b65fe8b178d2ad73482080c6a0aabae911e1224/</Dir>
+    <Dir>bin/src/websdk.389b280e262b5f74e8d08cd5c784d4ba18e2fe4d/</Dir>
     <Dir>bin/src/xliff-tasks.173ee3bd61c9549557eefa3cfb718bdef157cb87/</Dir>
     <Dir>Tools/</Dir>
     <Dir>tools-local/tasks/</Dir>
@@ -47,12 +47,18 @@
     <Usage Id="runtime.osx-x64.Microsoft.NETCore.Runtime.CoreCLR" Version="3.0.0-rc1.19455.6" Rid="osx-x64" />
     <Usage Id="Microsoft.NETCore.App.Host.osx-x64" Version="3.0.0" />
     <!-- end OSX-only prebuilts -->
-    <Usage Id="ILLink.Tasks" Version="0.1.5-preview-1461378" IsDirectDependency="true" />
+    <Usage Id="dotnet-dev-certs" Version="3.0.0-rc2.19465.2" />
+    <Usage Id="dotnet-user-secrets" Version="3.0.0-rc2.19465.2" />
+    <Usage Id="dotnet-watch" Version="3.0.0-rc2.19465.2" IsDirectDependency="true" />
     <Usage Id="MicroBuild.Core" Version="0.2.0" IsDirectDependency="true" IsAutoReferenced="true" />
     <Usage Id="MicroBuild.Core" Version="0.3.0" IsDirectDependency="true" />
     <Usage Id="MicroBuild.Core.Sentinel" Version="1.0.0" IsDirectDependency="true" IsAutoReferenced="true" />
-    <Usage Id="Microsoft.AspNetCore.App.Ref" Version="3.0.0" />
-    <Usage Id="Microsoft.Bcl.AsyncInterfaces" Version="1.0.0" />
+    <Usage Id="Microsoft.AspNetCore.Analyzers" Version="3.0.0-rc2.19465.2" IsDirectDependency="true" />
+    <Usage Id="Microsoft.AspNetCore.App.Ref" Version="3.0.1" />
+    <Usage Id="Microsoft.AspNetCore.Components.Analyzers" Version="3.0.0" IsDirectDependency="true" />
+    <Usage Id="Microsoft.AspNetCore.DeveloperCertificates.XPlat" Version="3.0.0-rc2.19465.2" IsDirectDependency="true" />
+    <Usage Id="Microsoft.AspNetCore.Mvc.Analyzers" Version="3.0.0-rc2.19465.2" IsDirectDependency="true" />
+    <Usage Id="Microsoft.AspNetCore.Mvc.Api.Analyzers" Version="3.0.0-rc2.19465.2" IsDirectDependency="true" />
     <Usage Id="Microsoft.Build" Version="15.7.179" IsDirectDependency="true" />
     <Usage Id="Microsoft.Build.CentralPackageVersions" Version="2.0.1" />
     <Usage Id="Microsoft.Build.Framework" Version="15.1.548" IsDirectDependency="true" />
@@ -82,21 +88,20 @@
     <Usage Id="Microsoft.DotNet.Test.ProjectTemplates.2.1" Version="1.0.2-beta4-20181009-2100240" />
     <Usage Id="Microsoft.DotNet.Test.ProjectTemplates.2.2" Version="1.0.2-beta4.19155.2" />
     <Usage Id="Microsoft.DotNet.Test.ProjectTemplates.3.0" Version="1.0.2-beta4.19354.2" />
-    <Usage Id="Microsoft.DotNet.Web.ItemTemplates" Version="2.1.12" />
-    <Usage Id="Microsoft.DotNet.Web.ItemTemplates" Version="2.2.6" />
-    <Usage Id="Microsoft.DotNet.Web.ItemTemplates" Version="3.0.1-servicing.19507.30" />
-    <Usage Id="Microsoft.DotNet.Web.ProjectTemplates.2.1" Version="2.1.12" />
-    <Usage Id="Microsoft.DotNet.Web.ProjectTemplates.2.2" Version="2.2.6" />
-    <Usage Id="Microsoft.DotNet.Web.ProjectTemplates.3.0" Version="3.0.1-servicing.19507.30" />
-    <Usage Id="Microsoft.DotNet.Web.Spa.ProjectTemplates" Version="2.1.12" />
-    <Usage Id="Microsoft.DotNet.Web.Spa.ProjectTemplates" Version="2.2.6" />
-    <Usage Id="Microsoft.DotNet.Web.Spa.ProjectTemplates.3.0" Version="3.0.1-servicing.19507.30" />
+    <Usage Id="Microsoft.DotNet.Web.ItemTemplates" Version="2.1.14" />
+    <Usage Id="Microsoft.DotNet.Web.ItemTemplates" Version="2.2.8" />
+    <Usage Id="Microsoft.DotNet.Web.ItemTemplates" Version="3.0.1" />
+    <Usage Id="Microsoft.DotNet.Web.ProjectTemplates.2.1" Version="2.1.14" />
+    <Usage Id="Microsoft.DotNet.Web.ProjectTemplates.2.2" Version="2.2.8" />
+    <Usage Id="Microsoft.DotNet.Web.ProjectTemplates.3.0" Version="3.0.1" />
+    <Usage Id="Microsoft.DotNet.Web.Spa.ProjectTemplates.2.1" Version="2.1.14" />
+    <Usage Id="Microsoft.DotNet.Web.Spa.ProjectTemplates.2.2" Version="2.2.8" />
+    <Usage Id="Microsoft.DotNet.Web.Spa.ProjectTemplates.3.0" Version="3.0.1" />
     <Usage Id="Microsoft.Extensions.DependencyModel" Version="2.1.0" IsDirectDependency="true" />
     <Usage Id="Microsoft.Net.Compilers.Toolset" Version="3.3.1-beta3-final" IsDirectDependency="true" IsAutoReferenced="true" />
     <Usage Id="Microsoft.NETCore.App" Version="2.0.0" IsDirectDependency="true" IsAutoReferenced="true" />
     <Usage Id="Microsoft.NETCore.App" Version="2.1.0" IsDirectDependency="true" IsAutoReferenced="true" />
-    <Usage Id="Microsoft.NETCore.App.Host.linux-x64" Version="3.0.0" />
-    <Usage Id="Microsoft.NETCore.App.Runtime.linux-x64" Version="3.0.1-servicing-19502-09" />
+    <Usage Id="Microsoft.NETCore.App.Ref" Version="3.0.0" />
     <Usage Id="Microsoft.NETCore.DotNetAppHost" Version="2.0.0" />
     <Usage Id="Microsoft.NETCore.DotNetAppHost" Version="2.1.0" />
     <Usage Id="Microsoft.NETCore.DotNetAppHost" Version="3.0.0-rc2-19460-02" />
@@ -115,11 +120,9 @@
     <Usage Id="Microsoft.NETCore.Platforms" Version="2.1.2" />
     <Usage Id="Microsoft.NETCore.Platforms" Version="3.0.0-preview9.19409.15" IsDirectDependency="true" />
     <Usage Id="Microsoft.NETCore.Platforms" Version="3.0.0-rc2.19461.13" IsDirectDependency="true" />
-    <Usage Id="Microsoft.NETCore.Platforms" Version="3.0.0" />
     <Usage Id="Microsoft.NETCore.Targets" Version="1.0.1" />
     <Usage Id="Microsoft.NETCore.Targets" Version="1.1.0" />
     <Usage Id="Microsoft.NETCore.Targets" Version="2.1.0" />
-    <Usage Id="Microsoft.NETCore.Targets" Version="3.0.0" />
     <Usage Id="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0-preview.2" IsDirectDependency="true" IsAutoReferenced="true" />
     <Usage Id="Microsoft.NETFramework.ReferenceAssemblies.net472" Version="1.0.0-preview.2" />
     <Usage Id="Microsoft.TargetingPack.NETFramework.v4.7.2" Version="1.0.0" IsDirectDependency="true" />
@@ -129,8 +132,6 @@
     <Usage Id="Microsoft.Win32.Primitives" Version="4.3.0" />
     <Usage Id="Microsoft.Win32.Registry" Version="4.0.0" />
     <Usage Id="Microsoft.Win32.Registry" Version="4.3.0" />
-    <Usage Id="Microsoft.Win32.Registry" Version="4.6.0" />
-    <Usage Id="Microsoft.Win32.SystemEvents" Version="4.6.0" />
     <Usage Id="NETStandard.Library" Version="1.6.0" />
     <Usage Id="NETStandard.Library" Version="1.6.1" IsDirectDependency="true" IsAutoReferenced="true" />
     <Usage Id="NETStandard.Library" Version="2.0.0" />
@@ -197,8 +198,6 @@
     <Usage Id="System.Buffers" Version="4.3.0" />
     <Usage Id="System.Buffers" Version="4.4.0" />
     <Usage Id="System.Buffers" Version="4.5.0" />
-    <Usage Id="System.CodeDom" Version="4.4.0" />
-    <Usage Id="System.CodeDom" Version="4.6.0" IsDirectDependency="true" />
     <Usage Id="System.Collections" Version="4.0.11" IsDirectDependency="true" />
     <Usage Id="System.Collections" Version="4.3.0" />
     <Usage Id="System.Collections.Concurrent" Version="4.0.12" />
@@ -212,7 +211,6 @@
     <Usage Id="System.Collections.NonGeneric" Version="4.3.0" />
     <Usage Id="System.Collections.Specialized" Version="4.3.0" IsDirectDependency="true" />
     <Usage Id="System.ComponentModel" Version="4.3.0" />
-    <Usage Id="System.ComponentModel.Annotations" Version="4.6.0" />
     <Usage Id="System.ComponentModel.Primitives" Version="4.3.0" />
     <Usage Id="System.ComponentModel.TypeConverter" Version="4.3.0" IsDirectDependency="true" />
     <Usage Id="System.Composition" Version="1.0.31" />
@@ -228,8 +226,6 @@
     <Usage Id="System.Diagnostics.DiagnosticSource" Version="4.0.0" />
     <Usage Id="System.Diagnostics.DiagnosticSource" Version="4.3.0" />
     <Usage Id="System.Diagnostics.DiagnosticSource" Version="4.4.0" IsDirectDependency="true" />
-    <Usage Id="System.Diagnostics.DiagnosticSource" Version="4.6.0" IsDirectDependency="true" IsAutoReferenced="true" />
-    <Usage Id="System.Diagnostics.EventLog" Version="4.6.0" />
     <Usage Id="System.Diagnostics.FileVersionInfo" Version="4.0.0" IsDirectDependency="true" />
     <Usage Id="System.Diagnostics.FileVersionInfo" Version="4.3.0" />
     <Usage Id="System.Diagnostics.Process" Version="4.1.0" />
@@ -242,7 +238,6 @@
     <Usage Id="System.Diagnostics.TraceSource" Version="4.3.0" IsDirectDependency="true" />
     <Usage Id="System.Diagnostics.Tracing" Version="4.1.0" />
     <Usage Id="System.Diagnostics.Tracing" Version="4.3.0" />
-    <Usage Id="System.Drawing.Common" Version="4.6.0" />
     <Usage Id="System.Dynamic.Runtime" Version="4.0.11" IsDirectDependency="true" />
     <Usage Id="System.Dynamic.Runtime" Version="4.3.0" />
     <Usage Id="System.Globalization" Version="4.0.11" IsDirectDependency="true" />
@@ -261,7 +256,6 @@
     <Usage Id="System.IO.FileSystem" Version="4.3.0" />
     <Usage Id="System.IO.FileSystem.Primitives" Version="4.0.1" />
     <Usage Id="System.IO.FileSystem.Primitives" Version="4.3.0" />
-    <Usage Id="System.IO.Pipelines" Version="4.6.0" />
     <Usage Id="System.IO.Pipes" Version="4.3.0" />
     <Usage Id="System.IO.Pipes.AccessControl" Version="4.3.0" />
     <Usage Id="System.Linq" Version="4.1.0" IsDirectDependency="true" />
@@ -309,7 +303,6 @@
     <Usage Id="System.Reflection.Primitives" Version="4.3.0" />
     <Usage Id="System.Reflection.TypeExtensions" Version="4.1.0" />
     <Usage Id="System.Reflection.TypeExtensions" Version="4.3.0" />
-    <Usage Id="System.Resources.Extensions" Version="4.6.0" />
     <Usage Id="System.Resources.Reader" Version="4.0.0" />
     <Usage Id="System.Resources.ResourceManager" Version="4.0.1" IsDirectDependency="true" />
     <Usage Id="System.Resources.ResourceManager" Version="4.3.0" />
@@ -318,7 +311,6 @@
     <Usage Id="System.Runtime" Version="4.3.0" />
     <Usage Id="System.Runtime.CompilerServices.Unsafe" Version="4.5.0" />
     <Usage Id="System.Runtime.CompilerServices.Unsafe" Version="4.5.2" />
-    <Usage Id="System.Runtime.CompilerServices.Unsafe" Version="4.6.0" />
     <Usage Id="System.Runtime.Extensions" Version="4.1.0" IsDirectDependency="true" />
     <Usage Id="System.Runtime.Extensions" Version="4.3.0" />
     <Usage Id="System.Runtime.Handles" Version="4.0.1" />
@@ -336,7 +328,6 @@
     <Usage Id="System.Runtime.Serialization.Primitives" Version="4.3.0" />
     <Usage Id="System.Runtime.Serialization.Xml" Version="4.1.1" />
     <Usage Id="System.Security.AccessControl" Version="4.3.0" />
-    <Usage Id="System.Security.AccessControl" Version="4.6.0" />
     <Usage Id="System.Security.Claims" Version="4.0.1" />
     <Usage Id="System.Security.Claims" Version="4.3.0" />
     <Usage Id="System.Security.Cryptography.Algorithms" Version="4.2.0" />
@@ -344,7 +335,6 @@
     <Usage Id="System.Security.Cryptography.Cng" Version="4.2.0" />
     <Usage Id="System.Security.Cryptography.Cng" Version="4.3.0" />
     <Usage Id="System.Security.Cryptography.Cng" Version="4.5.0" IsDirectDependency="true" />
-    <Usage Id="System.Security.Cryptography.Cng" Version="4.6.0" />
     <Usage Id="System.Security.Cryptography.Csp" Version="4.0.0" />
     <Usage Id="System.Security.Cryptography.Csp" Version="4.3.0" />
     <Usage Id="System.Security.Cryptography.Encoding" Version="4.0.0" />
@@ -353,32 +343,24 @@
     <Usage Id="System.Security.Cryptography.OpenSsl" Version="4.3.0" />
     <Usage Id="System.Security.Cryptography.OpenSsl" Version="4.5.1" IsDirectDependency="true" />
     <Usage Id="System.Security.Cryptography.Pkcs" Version="4.5.2" IsDirectDependency="true" />
-    <Usage Id="System.Security.Cryptography.Pkcs" Version="4.6.0" />
     <Usage Id="System.Security.Cryptography.Primitives" Version="4.0.0" />
     <Usage Id="System.Security.Cryptography.Primitives" Version="4.3.0" />
     <Usage Id="System.Security.Cryptography.ProtectedData" Version="4.3.0" />
-    <Usage Id="System.Security.Cryptography.ProtectedData" Version="4.6.0" IsDirectDependency="true" />
     <Usage Id="System.Security.Cryptography.X509Certificates" Version="4.1.0" />
     <Usage Id="System.Security.Cryptography.X509Certificates" Version="4.3.0" />
-    <Usage Id="System.Security.Cryptography.Xml" Version="4.6.0" />
-    <Usage Id="System.Security.Permissions" Version="4.6.0" />
     <Usage Id="System.Security.Principal" Version="4.0.1" />
     <Usage Id="System.Security.Principal" Version="4.3.0" />
     <Usage Id="System.Security.Principal.Windows" Version="4.0.0" IsDirectDependency="true" />
     <Usage Id="System.Security.Principal.Windows" Version="4.3.0" />
-    <Usage Id="System.Security.Principal.Windows" Version="4.6.0" />
     <Usage Id="System.Text.Encoding" Version="4.0.11" IsDirectDependency="true" />
     <Usage Id="System.Text.Encoding" Version="4.3.0" />
     <Usage Id="System.Text.Encoding.CodePages" Version="4.0.1" />
     <Usage Id="System.Text.Encoding.CodePages" Version="4.3.0" />
     <Usage Id="System.Text.Encoding.CodePages" Version="4.4.0" />
     <Usage Id="System.Text.Encoding.CodePages" Version="4.5.1" />
-    <Usage Id="System.Text.Encoding.CodePages" Version="4.6.0" IsDirectDependency="true" />
     <Usage Id="System.Text.Encoding.Extensions" Version="4.0.11" IsDirectDependency="true" />
     <Usage Id="System.Text.Encoding.Extensions" Version="4.3.0" />
-    <Usage Id="System.Text.Encodings.Web" Version="4.6.0" />
     <Usage Id="System.Text.Json" Version="1.0" />
-    <Usage Id="System.Text.Json" Version="4.6.0" IsDirectDependency="true" IsAutoReferenced="true" />
     <Usage Id="System.Text.RegularExpressions" Version="4.1.0" />
     <Usage Id="System.Text.RegularExpressions" Version="4.3.0" />
     <Usage Id="System.Threading" Version="4.0.11" />
@@ -391,7 +373,7 @@
     <Usage Id="System.Threading.Tasks.Dataflow" Version="4.9.0" />
     <Usage Id="System.Threading.Tasks.Extensions" Version="4.0.0" />
     <Usage Id="System.Threading.Tasks.Extensions" Version="4.3.0" />
-    <Usage Id="System.Threading.Tasks.Extensions" Version="4.5.2" IsDirectDependency="true" IsAutoReferenced="true" />
+    <Usage Id="System.Threading.Tasks.Extensions" Version="4.5.2" />
     <Usage Id="System.Threading.Tasks.Extensions" Version="4.5.3" />
     <Usage Id="System.Threading.Tasks.Parallel" Version="4.3.0" />
     <Usage Id="System.Threading.Thread" Version="4.0.0" />
@@ -402,8 +384,6 @@
     <Usage Id="System.Threading.Timer" Version="4.3.0" />
     <Usage Id="System.ValueTuple" Version="4.3.0" />
     <Usage Id="System.ValueTuple" Version="4.4.0" />
-    <Usage Id="System.ValueTuple" Version="4.5.0" />
-    <Usage Id="System.Windows.Extensions" Version="4.6.0" />
     <Usage Id="System.Xml.ReaderWriter" Version="4.0.11" />
     <Usage Id="System.Xml.ReaderWriter" Version="4.3.0" />
     <Usage Id="System.Xml.XDocument" Version="4.0.11" />
@@ -415,4 +395,4 @@
     <Usage Id="System.Xml.XPath.XDocument" Version="4.3.0" />
     <Usage Id="vswhere" Version="2.6.7" IsDirectDependency="true" IsAutoReferenced="true" />
   </Usages>
-</UsageData>
+</UsageData>
\ No newline at end of file