diff --git a/build.ps1 b/build.ps1
index fc4830731a..2d08643422 100644
--- a/build.ps1
+++ b/build.ps1
@@ -102,6 +102,11 @@ param(
     [Parameter(ParameterSetName = 'Groups')]
     [switch]$Installers,
 
+    # By default, Windows builds will use MSBuild.exe. Passing this will force the build to run on
+    # dotnet.exe instead, which may cause issues if you invoke build on a project unsupported by
+    # MSBuild for .NET Core
+    [switch]$ForceCoreMsbuild,
+
     # Other lifecycle targets
     [switch]$Help, # Show help
 
@@ -269,6 +274,9 @@ Import-Module -Force -Scope Local (Join-Path $korebuildPath 'KoreBuild.psd1')
 
 try {
     Set-KoreBuildSettings -ToolsSource $ToolsSource -DotNetHome $DotNetHome -RepoPath $RepoRoot -ConfigFile $ConfigFile -CI:$CI
+    if ($ForceCoreMsbuild) {
+        $global:KoreBuildSettings.MSBuildType = 'core'
+    }
     Invoke-KoreBuildCommand 'default-build' @MSBuildArguments
 }
 finally {
diff --git a/build/Publish.targets b/build/Publish.targets
index 54d9b39641..fa3e8c9d77 100644
--- a/build/Publish.targets
+++ b/build/Publish.targets
@@ -1,130 +1,13 @@
 <Project>
 
-  <PropertyGroup>
-    <PublishDependsOn>
-      GetFilesToPublish;
-      PublishToAzureFeed;
-      PublishToMyGet;
-    </PublishDependsOn>
-  </PropertyGroup>
+  <Target Name="Publish">
+    <MSBuild Projects="$(MSBuildThisFileDirectory)publish\Publish.csproj"
+             Targets="Restore"
+             Properties="$(BuildProperties);KoreBuildTasksDll=$(KoreBuildTasksDll);__DummyTarget=Restore" />
 
-  <Target Name="Publish" DependsOnTargets="$(PublishDependsOn)" />
-
-  <Target Name="GetFilesToPublish">
-    <ItemGroup>
-      <!-- Installer output files with specific metadata. -->
-      <_FilesToPublish Include="$(InstallersOutputPath)*.txt">
-        <ContentType>text/plain</ContentType>
-      </_FilesToPublish>
-
-      <_FilesToPublish Include="$(InstallersOutputPath)*.version">
-        <ContentType>text/plain</ContentType>
-        <CacheControl>no-cache, no-store, must-revalidate</CacheControl>
-      </_FilesToPublish>
-
-      <_FilesToPublish Include="$(InstallersOutputPath)*.svg">
-        <CacheControl>no-cache, no-store, must-revalidate</CacheControl>
-        <ContentType>image/svg+xml</ContentType>
-      </_FilesToPublish>
-
-      <!-- All other installer files. -->
-      <_FilesToPublish Include="$(InstallersOutputPath)*" Exclude="@(_FilesToPublish)" />
-
-      <!-- Java packages -->
-      <_FilesToPublish Include="$(ProductPackageOutputPath)*.jar;$(ProductPackageOutputPath)*.pom">
-        <BlobBasePath>aspnetcore/jar/$(PackageVersion)/</BlobBasePath>
-      </_FilesToPublish>
-
-      <!--
-        Transform the intermediate item group into the final group.
-        You can't use globbing _and_ set metadata using FileName and Extension at the same time. MSBuild quirks are fun.
-      -->
-      <FilesToPublish Include="@(_FilesToPublish)">
-        <RelativeBlobPath Condition="'%(_FilesToPublish.BlobBasePath)' != ''">%(_FilesToPublish.BlobBasePath)%(_FilesToPublish.FileName)%(_FilesToPublish.Extension)</RelativeBlobPath>
-        <RelativeBlobPath Condition="'%(_FilesToPublish.BlobBasePath)' == ''">aspnetcore/Runtime/$(PackageVersion)/%(_FilesToPublish.FileName)%(_FilesToPublish.Extension)</RelativeBlobPath>
-      </FilesToPublish>
-      <_FilesToPublish Remove="@(_FilesToPublish)" />
-
-      <!-- NPM packages -->
-      <NpmPackageToPublish Include="$(ProductPackageOutputPath)*.tgz" />
-
-      <PackageToPublish Include="$(ProductPackageOutputPath)*.symbols.nupkg" IsSymbolsPackage="true" />
-      <PackageToPublish Include="$(ProductPackageOutputPath)*.nupkg" Exclude="@(PackageToPublish)" />
-    </ItemGroup>
-
-    <!--
-      'Internal' packages are used to transfer bits to partner teams, and should not be used by customers.
-      Publishing these can be disabled.
-    -->
-    <ItemGroup Condition=" '$(PublishInternalPackages)' != 'false' ">
-      <PackageToPublish Include="$(InternalPackageOutputPath)*.symbols.nupkg" IsSymbolsPackage="true">
-        <ManifestArtifactData>NonShipping=true</ManifestArtifactData>
-      </PackageToPublish>
-      <PackageToPublish Include="$(InternalPackageOutputPath)*.nupkg" Exclude="@(PackageToPublish)">
-        <ManifestArtifactData>NonShipping=true</ManifestArtifactData>
-      </PackageToPublish>
-    </ItemGroup>
-  </Target>
-
-  <Target Name="PublishToMyGet"
-          DependsOnTargets="GetFilesToPublish;GetToolsets"
-          Condition="'$(PublishToMyget)' == 'true'">
-
-    <Error Text="Missing required property: PublishMyGetFeedUrl"  Condition=" '$(PublishMyGetFeedUrl)' == '' "/>
-    <Error Text="Missing required property: PublishMyGetSymbolsFeedUrl"  Condition=" '$(PublishMyGetSymbolsFeedUrl)' == '' "/>
-    <Error Text="Missing required property: PublishMyGetNpmRegistryUrl"  Condition=" '$(PublishMyGetNpmRegistryUrl)' == '' "/>
-    <Error Text="Missing required property: PublishMyGetFeedKey"  Condition=" '$(PublishMyGetFeedKey)' == '' "/>
-
-    <Error Text="No packages found to publish" Condition="@(PackageToPublish->Count()) == 0" />
-
-    <PushNuGetPackages Condition="'%(PackageToPublish.IsSymbolsPackage)' != 'true' AND @(PackageToPublish->Count()) != 0"
-      Packages="@(PackageToPublish)"
-      Feed="$(PublishMyGetFeedUrl)"
-      ApiKey="$(PublishMyGetFeedKey)" />
-
-    <PushNuGetPackages Condition="'%(PackageToPublish.IsSymbolsPackage)' == 'true' AND @(PackageToPublish->Count()) != 0"
-      Packages="@(PackageToPublish)"
-      Feed="$(PublishMyGetSymbolsFeedUrl)"
-      ApiKey="$(PublishMyGetFeedKey)" />
-
-    <PropertyGroup>
-      <AuthTokenSetting>$(PublishMyGetNpmRegistryUrl.Replace("https:", "")):_authToken</AuthTokenSetting>
-    </PropertyGroup>
-
-    <Message Condition=" @(NpmPackageToPublish->Count()) != 0 "
-             Text="Skipping NPM publish because there are no npm packages to publish."
-             Importance="high" />
-
-    <Exec Condition=" @(NpmPackageToPublish->Count()) != 0 "
-          Command="npm config set &quot;$(AuthTokenSetting)&quot; $(PublishMyGetFeedKey)"
-          StandardOutputImportance="Normal" />
-
-    <!-- When you UseCommandProcessor FileName is ignored -->
-    <Run Condition=" @(NpmPackageToPublish->Count()) != 0 "
-         FileName="cmd"
-         Arguments="npm;publish;--registry;$(PublishMyGetNpmRegistryUrl);%(NpmPackageToPublish.Identity)"
-         MaxRetries="5"
-         UseCommandProcessor="true"
-         ContinueOnError="true">
-      <Output TaskParameter="ExitCode" ItemName="_NpmExitCodes" />
-    </Run>
-
-    <Exec Condition=" @(NpmPackageToPublish->Count()) != 0 "
-          Command="npm config delete $(AuthTokenSetting)"
-          StandardOutputImportance="Normal" />
-
-    <Error Text="Publishing npm modules failed" Condition=" @(NpmPackageToPublish->Count()) != 0 AND %(_NpmExitCodes.Identity) != 0" />
-  </Target>
-
-  <Target Name="PublishToAzureFeed"
-    DependsOnTargets="GetFilesToPublish"
-    Condition="'$(PublishToAzureFeed)' == 'true'">
-
-    <RepoTasks.PublishToAzureBlob
-        AccountName="$(AzureAccountName)"
-        SharedAccessToken="$(AzureSharedAccessToken)"
-        ContainerName="$(AzureContainerName)"
-        Files="@(FilesToPublish)" />
+    <MSBuild Projects="$(MSBuildThisFileDirectory)publish\Publish.csproj"
+             Targets="Publish"
+             Properties="$(BuildProperties);KoreBuildTasksDll=$(KoreBuildTasksDll);__DummyTarget=Publish" />
   </Target>
 
 </Project>
diff --git a/build/publish/Publish.csproj b/build/publish/Publish.csproj
new file mode 100644
index 0000000000..577b107fd9
--- /dev/null
+++ b/build/publish/Publish.csproj
@@ -0,0 +1,186 @@
+<Project>
+
+  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
+
+  <PropertyGroup>
+    <!-- TFM doesn't matter. These settings are required to make NuGet happy so we can restore required MSBuild packages. -->
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
+    <ManifestsPath>$(ArtifactsDir)manifests\</ManifestsPath>
+    <MaestroApiEndpoint Condition="'$(MaestroApiEndpoint)' == ''">https://maestro-prod.westus2.cloudapp.azure.com</MaestroApiEndpoint>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.DotNet.Build.Tasks.Feed" Version="2.2.0-beta.19061.6" />
+    <PackageReference Include="Microsoft.DotNet.Maestro.Tasks" Version="1.1.0-beta.19065.2" />
+  </ItemGroup>
+
+  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
+
+  <PropertyGroup>
+    <PublishDependsOn>
+      GetFilesToPublish;
+      GenerateBuildAssetManifest;
+      PublishToAzureFeed;
+      PublishToMyGet;
+      PublishToBuildAssetRegistry;
+    </PublishDependsOn>
+  </PropertyGroup>
+
+  <Target Name="Publish" DependsOnTargets="$(PublishDependsOn)" />
+
+  <Target Name="GetFilesToPublish">
+    <ItemGroup>
+      <!-- Installer output files with specific metadata. -->
+      <_FilesToPublish Include="$(InstallersOutputPath)*.txt">
+        <ContentType>text/plain</ContentType>
+      </_FilesToPublish>
+
+      <_FilesToPublish Include="$(InstallersOutputPath)*.version">
+        <ContentType>text/plain</ContentType>
+        <CacheControl>no-cache, no-store, must-revalidate</CacheControl>
+      </_FilesToPublish>
+
+      <_FilesToPublish Include="$(InstallersOutputPath)*.svg">
+        <CacheControl>no-cache, no-store, must-revalidate</CacheControl>
+        <ContentType>image/svg+xml</ContentType>
+      </_FilesToPublish>
+
+      <!-- All other installer files. -->
+      <_FilesToPublish Include="$(InstallersOutputPath)*" Exclude="@(_FilesToPublish)" />
+
+      <!-- Java packages -->
+      <_FilesToPublish Include="$(ProductPackageOutputPath)*.jar;$(ProductPackageOutputPath)*.pom">
+        <BlobBasePath>aspnetcore/jar/$(PackageVersion)/</BlobBasePath>
+      </_FilesToPublish>
+
+      <!-- NPM packages -->
+      <NpmPackageToPublish Include="$(ProductPackageOutputPath)*.tgz">
+        <BlobBasePath>aspnetcore/npm/$(PackageVersion)/</BlobBasePath>
+      </NpmPackageToPublish>
+      <_FilesToPublish Include="@(NpmPackageToPublish)" />
+
+      <!--
+        Transform the intermediate item group into the final group.
+        You can't use globbing _and_ set metadata using FileName and Extension at the same time. MSBuild quirks are fun.
+      -->
+      <FilesToPublish Include="@(_FilesToPublish)">
+        <RelativeBlobPath Condition="'%(_FilesToPublish.BlobBasePath)' != ''">%(_FilesToPublish.BlobBasePath)%(_FilesToPublish.FileName)%(_FilesToPublish.Extension)</RelativeBlobPath>
+        <RelativeBlobPath Condition="'%(_FilesToPublish.BlobBasePath)' == ''">aspnetcore/Runtime/$(PackageVersion)/%(_FilesToPublish.FileName)%(_FilesToPublish.Extension)</RelativeBlobPath>
+      </FilesToPublish>
+      <_FilesToPublish Remove="@(_FilesToPublish)" />
+
+      <PackageToPublish Include="$(ProductPackageOutputPath)*.symbols.nupkg" IsSymbolsPackage="true" />
+      <PackageToPublish Include="$(ProductPackageOutputPath)*.nupkg" Exclude="@(PackageToPublish)" />
+    </ItemGroup>
+
+    <!--
+      'Internal' packages are used to transfer bits to partner teams, and should not be used by customers.
+      Publishing these can be disabled.
+    -->
+    <ItemGroup Condition=" '$(PublishInternalPackages)' != 'false' ">
+      <PackageToPublish Include="$(InternalPackageOutputPath)*.symbols.nupkg" IsSymbolsPackage="true">
+        <ManifestArtifactData>NonShipping=true</ManifestArtifactData>
+      </PackageToPublish>
+      <PackageToPublish Include="$(InternalPackageOutputPath)*.nupkg" Exclude="@(PackageToPublish)">
+        <ManifestArtifactData>NonShipping=true</ManifestArtifactData>
+      </PackageToPublish>
+    </ItemGroup>
+
+    <Error Text="Missing required metadata 'RelativeBlobPath' for FilesToPublish: @(FilesToPublish)" Condition="'@(FilesToPublish)' != '' AND '%(RelativeBlobPath)' == ''" />
+  </Target>
+
+  <UsingTask TaskName="KoreBuild.Tasks.PushNuGetPackages" AssemblyFile="$(KoreBuildTasksDll)" />
+
+  <Target Name="PublishToMyGet"
+          DependsOnTargets="GetFilesToPublish"
+          Condition="'$(PublishToMyget)' == 'true'">
+
+    <Error Text="Missing required property: PublishMyGetFeedUrl"  Condition=" '$(PublishMyGetFeedUrl)' == '' "/>
+    <Error Text="Missing required property: PublishMyGetSymbolsFeedUrl"  Condition=" '$(PublishMyGetSymbolsFeedUrl)' == '' "/>
+    <Error Text="Missing required property: PublishMyGetNpmRegistryUrl"  Condition=" '$(PublishMyGetNpmRegistryUrl)' == '' "/>
+    <Error Text="Missing required property: PublishMyGetFeedKey"  Condition=" '$(PublishMyGetFeedKey)' == '' "/>
+
+    <Error Text="No packages found to publish" Condition="@(PackageToPublish->Count()) == 0" />
+
+    <PushNuGetPackages Condition="'%(PackageToPublish.IsSymbolsPackage)' != 'true' AND @(PackageToPublish->Count()) != 0"
+      Packages="@(PackageToPublish)"
+      TimeoutSeconds="300"
+      Feed="$(PublishMyGetFeedUrl)"
+      ApiKey="$(PublishMyGetFeedKey)" />
+
+    <PushNuGetPackages Condition="'%(PackageToPublish.IsSymbolsPackage)' == 'true' AND @(PackageToPublish->Count()) != 0"
+      Packages="@(PackageToPublish)"
+      TimeoutSeconds="300"
+      Feed="$(PublishMyGetSymbolsFeedUrl)"
+      ApiKey="$(PublishMyGetFeedKey)" />
+
+    <PropertyGroup>
+      <AuthTokenSetting>$(PublishMyGetNpmRegistryUrl.Replace("https:", "")):_authToken</AuthTokenSetting>
+    </PropertyGroup>
+
+    <Message Condition=" @(NpmPackageToPublish->Count()) != 0 "
+             Text="Skipping NPM publish because there are no npm packages to publish."
+             Importance="high" />
+
+    <Exec Condition=" @(NpmPackageToPublish->Count()) != 0 "
+          Command="npm config set &quot;$(AuthTokenSetting)&quot; $(PublishMyGetFeedKey)"
+          StandardOutputImportance="Normal" />
+
+    <!-- When you UseCommandProcessor FileName is ignored -->
+    <Run Condition=" @(NpmPackageToPublish->Count()) != 0 "
+         FileName="cmd"
+         Arguments="npm;publish;--registry;$(PublishMyGetNpmRegistryUrl);%(NpmPackageToPublish.Identity)"
+         MaxRetries="5"
+         UseCommandProcessor="true"
+         ContinueOnError="true">
+      <Output TaskParameter="ExitCode" ItemName="_NpmExitCodes" />
+    </Run>
+
+    <Exec Condition=" @(NpmPackageToPublish->Count()) != 0 "
+          Command="npm config delete $(AuthTokenSetting)"
+          StandardOutputImportance="Normal" />
+
+    <Error Text="Publishing npm modules failed" Condition=" @(NpmPackageToPublish->Count()) != 0 AND %(_NpmExitCodes.Identity) != 0" />
+  </Target>
+
+  <Target Name="PublishToAzureFeed"
+    DependsOnTargets="GetFilesToPublish"
+    Condition="'$(PublishToAzureFeed)' == 'true'">
+
+    <RepoTasks.PublishToAzureBlob
+        AccountName="$(AzureAccountName)"
+        SharedAccessToken="$(AzureSharedAccessToken)"
+        ContainerName="$(AzureContainerName)"
+        Files="@(FilesToPublish)" />
+  </Target>
+
+  <Target Name="GenerateBuildAssetManifest"
+          DependsOnTargets="GetFilesToPublish;ResolveRepositoryBranch;ResolveCommitHash">
+
+    <GenerateBuildManifest
+      Artifacts="@(PackageToPublish);@(FilesToPublish)"
+      OutputPath="$(ManifestsPath)aspnetcore-$(SharedFxRid)-$(PackageVersion).xml"
+      BuildId="$(PackageVersion)"
+      BuildData="Location=https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json"
+      RepoUri="$(RepositoryUrl)"
+      RepoBranch="$(RepositoryBranch)"
+      RepoCommit="$(RepositoryCommit)" />
+  </Target>
+
+  <UsingTask TaskName="PushMetadataToBuildAssetRegistry" AssemblyFile="$(PkgMicrosoft_DotNet_Maestro_Tasks)\tools\netcoreapp2.1\Microsoft.DotNet.Maestro.Tasks.dll"/>
+
+  <Target Name="PublishToBuildAssetRegistry"
+          DependsOnTargets="GenerateBuildAssetManifest"
+          Condition="'$(PublishToBuildAssetRegistry)' == 'true'">
+
+    <Error Text="Missing required property: MaestroApiEndpoint"  Condition=" '$(MaestroApiEndpoint)' == '' "/>
+    <Error Text="Missing required property: BuildAssetRegistryToken"  Condition=" '$(BuildAssetRegistryToken)' == '' "/>
+
+    <PushMetadataToBuildAssetRegistry
+        ManifestsPath="$(ManifestsPath)"
+        BuildAssetRegistryToken="$(BuildAssetRegistryToken)"
+        MaestroApiEndpoint="$(MaestroApiEndpoint)" />
+  </Target>
+
+</Project>
diff --git a/build/tasks/PublishToAzureBlob.cs b/build/tasks/PublishToAzureBlob.cs
index 86150d0be3..71f1b1c29a 100644
--- a/build/tasks/PublishToAzureBlob.cs
+++ b/build/tasks/PublishToAzureBlob.cs
@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+#if BUILD_AZ_TASKS
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -142,3 +143,4 @@ namespace RepoTasks
         }
     }
 }
+#endif
diff --git a/build/tasks/RepoTasks.csproj b/build/tasks/RepoTasks.csproj
index 82c90e29a2..06c08355a3 100644
--- a/build/tasks/RepoTasks.csproj
+++ b/build/tasks/RepoTasks.csproj
@@ -5,13 +5,14 @@
     <TargetFramework Condition="'$(MSBuildRuntimeType)' == 'Core' ">netcoreapp2.2</TargetFramework>
     <TargetFramework Condition="'$(MSBuildRuntimeType)' != 'Core' ">net461</TargetFramework>
     <DefineConstants Condition="'$(BuildWindowsInstallers)' == 'true'">$(DefineConstants);BUILD_MSI_TASKS</DefineConstants>
+    <DefineConstants Condition="'$(PublishToAzureFeed)' == 'true'">$(DefineConstants);BUILD_AZ_TASKS</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Remove="Internal.AspNetCore.Sdk" />
     <PackageReference Include="NuGet.Build.Tasks" Version="4.9.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />
-    <PackageReference Include="WindowsAzure.Storage" Version="8.7.0" />
+    <PackageReference Include="WindowsAzure.Storage" Version="8.7.0" Condition="'$(PublishToAzureFeed)' == 'true'" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(BuildWindowsInstallers)' == 'true'">
diff --git a/build/tasks/RepoTasks.tasks b/build/tasks/RepoTasks.tasks
index 43323cf2e2..e073e49173 100644
--- a/build/tasks/RepoTasks.tasks
+++ b/build/tasks/RepoTasks.tasks
@@ -9,6 +9,6 @@
   <UsingTask TaskName="RepoTasks.JoinRepoItems" AssemblyFile="$(_RepoTaskAssembly)" />
   <UsingTask TaskName="RepoTasks.OrderBy" AssemblyFile="$(_RepoTaskAssembly)" />
   <UsingTask TaskName="RepoTasks.GenerateSharedFrameworkMetadataFiles" AssemblyFile="$(_RepoTaskAssembly)" />
-  <UsingTask TaskName="RepoTasks.PublishToAzureBlob" AssemblyFile="$(_RepoTaskAssembly)" />
+  <UsingTask TaskName="RepoTasks.PublishToAzureBlob" AssemblyFile="$(_RepoTaskAssembly)" Condition="'$(PublishToAzureFeed)' == 'true'" />
   <UsingTask TaskName="RepoTasks.RemoveSharedFrameworkDependencies" AssemblyFile="$(_RepoTaskAssembly)" />
 </Project>