diff --git a/eng/Versions.props b/eng/Versions.props
index 2cf9d5e6ea9faa581294c470cfda7b8c58bde7d9..0b1a67a36f1b515580375be2057b532e1433d2fb 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -23,7 +23,7 @@
     <CodeStyleLayerCodeAnalysisVersion>2.8.2</CodeStyleLayerCodeAnalysisVersion>
     <MicrosoftCodeAnalysisTestingVersion>1.0.0-beta1-63310-01</MicrosoftCodeAnalysisTestingVersion>
     <CodeStyleAnalyzerVersion>3.3.0-beta2-19376-02</CodeStyleAnalyzerVersion>
-    <VisualStudioEditorPackagesVersion>16.3.27</VisualStudioEditorPackagesVersion>
+    <VisualStudioEditorPackagesVersion>16.3.98</VisualStudioEditorPackagesVersion>
     <MicrosoftVisualStudioLanguageServerPackagesVersion>16.3.27-develop-gdd55e997</MicrosoftVisualStudioLanguageServerPackagesVersion>
   </PropertyGroup>
   <!-- 
@@ -99,8 +99,8 @@
     <MicrosoftVisualStudioSDKEmbedInteropTypesVersion>15.0.27</MicrosoftVisualStudioSDKEmbedInteropTypesVersion>
     <MicrosoftVisualStudioEditorVersion>$(VisualStudioEditorPackagesVersion)</MicrosoftVisualStudioEditorVersion>
     <MicrosoftVisualStudioGraphModelVersion>16.0.28226-alpha</MicrosoftVisualStudioGraphModelVersion>
-    <MicrosoftVisualStudioImageCatalogVersion>16.0.28727</MicrosoftVisualStudioImageCatalogVersion>
-    <MicrosoftVisualStudioImagingVersion>16.0.28226-pre</MicrosoftVisualStudioImagingVersion>
+    <MicrosoftVisualStudioImageCatalogVersion>16.3.29124.81</MicrosoftVisualStudioImageCatalogVersion>
+    <MicrosoftVisualStudioImagingVersion>16.3.29124.81</MicrosoftVisualStudioImagingVersion>
     <MicrosoftVisualStudioInteractiveWindowVersion>2.8.0</MicrosoftVisualStudioInteractiveWindowVersion>
     <MicrosoftVisualStudioLanguageVersion>$(VisualStudioEditorPackagesVersion)</MicrosoftVisualStudioLanguageVersion>
     <MicrosoftVisualStudioLanguageCallHierarchyVersion>15.8.27812-alpha</MicrosoftVisualStudioLanguageCallHierarchyVersion>
@@ -146,9 +146,9 @@
     <MicrosoftVisualStudioTextManagerInterop120Version>12.0.30110</MicrosoftVisualStudioTextManagerInterop120Version>
     <MicrosoftVisualStudioTextManagerInterop121DesignTimeVersion>12.1.30328</MicrosoftVisualStudioTextManagerInterop121DesignTimeVersion>
     <MicrosoftVisualStudioTextManagerInterop160DesignTimeVersion>16.0.0</MicrosoftVisualStudioTextManagerInterop160DesignTimeVersion>
-    <MicrosoftVisualStudioThreadingAnalyzersVersion>15.8.209</MicrosoftVisualStudioThreadingAnalyzersVersion>
-    <MicrosoftVisualStudioThreadingVersion>16.0.102</MicrosoftVisualStudioThreadingVersion>
-    <MicrosoftVisualStudioUtilitiesVersion>16.1.28917.181</MicrosoftVisualStudioUtilitiesVersion>
+    <MicrosoftVisualStudioThreadingAnalyzersVersion>16.0.102</MicrosoftVisualStudioThreadingAnalyzersVersion>
+    <MicrosoftVisualStudioThreadingVersion>16.3.13</MicrosoftVisualStudioThreadingVersion>
+    <MicrosoftVisualStudioUtilitiesVersion>16.3.29124.81</MicrosoftVisualStudioUtilitiesVersion>
     <MicrosoftVisualStudioValidationVersion>15.3.23</MicrosoftVisualStudioValidationVersion>
     <MicrosoftVisualStudioVsInteractiveWindowVersion>2.0.0-rc3-61304-01</MicrosoftVisualStudioVsInteractiveWindowVersion>
     <MicrosoftWin32PrimitivesVersion>4.3.0</MicrosoftWin32PrimitivesVersion>
@@ -157,7 +157,7 @@
     <MonoOptionsVersion>4.4.0</MonoOptionsVersion>
     <MoqVersion>4.10.1</MoqVersion>
     <NerdbankFullDuplexStreamVersion>1.0.1</NerdbankFullDuplexStreamVersion>
-    <NewtonsoftJsonVersion>9.0.1</NewtonsoftJsonVersion>
+    <NewtonsoftJsonVersion>12.0.1</NewtonsoftJsonVersion>
     <NuGetPackagingVersion>4.9.2</NuGetPackagingVersion>
     <NuGetVisualStudioVersion>4.0.0-rc-2048</NuGetVisualStudioVersion>
     <NuGetSolutionRestoreManagerInteropVersion>4.8.0</NuGetSolutionRestoreManagerInteropVersion>
diff --git a/src/EditorFeatures/CSharp.Wpf/Microsoft.CodeAnalysis.CSharp.EditorFeatures.Wpf.csproj b/src/EditorFeatures/CSharp.Wpf/Microsoft.CodeAnalysis.CSharp.EditorFeatures.Wpf.csproj
index a6462dc4ea1f200408b05e1321de9e34da799b47..87d6b93db80d1519fcbb200703bf99acaf79a743 100644
--- a/src/EditorFeatures/CSharp.Wpf/Microsoft.CodeAnalysis.CSharp.EditorFeatures.Wpf.csproj
+++ b/src/EditorFeatures/CSharp.Wpf/Microsoft.CodeAnalysis.CSharp.EditorFeatures.Wpf.csproj
@@ -32,7 +32,9 @@
     <PackageReference Include="Microsoft.VisualStudio.Language.StandardClassification" Version="$(MicrosoftVisualStudioLanguageStandardClassificationVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="System.Buffers" Version="$(SystemBuffersVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.VisualStudio.LanguageServices.CSharp" />
diff --git a/src/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.EditorFeatures.csproj b/src/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.EditorFeatures.csproj
index 0ea28e4eb83d21ddb7d6032856079ef37651f6a8..dbf7ded213c3804201ce1ed68bb4eb0eed214c68 100644
--- a/src/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.EditorFeatures.csproj
+++ b/src/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.EditorFeatures.csproj
@@ -46,6 +46,7 @@
     <Reference Include="System.ComponentModel.Composition" />
     <PackageReference Include="Microsoft.VisualStudio.Language.Intellisense" Version="$(MicrosoftVisualStudioLanguageIntellisenseVersion)" />
     <PackageReference Include="ICSharpCode.Decompiler" Version="$(ICSharpCodeDecompilerVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Update="CSharpEditorResources.resx">
diff --git a/src/EditorFeatures/CSharpTest/Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests.csproj b/src/EditorFeatures/CSharpTest/Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests.csproj
index 1b7edb89ceb6038a613e311f6be57c3cc09a7cf2..451d3f54d8aba9a655f5ae69d5366f3a192627d0 100644
--- a/src/EditorFeatures/CSharpTest/Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests.csproj
+++ b/src/EditorFeatures/CSharpTest/Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests.csproj
@@ -64,6 +64,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.Internal" Version="$(MicrosoftVisualStudioTextInternalVersion)" IncludeAssets="runtime" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
   </ItemGroup>
diff --git a/src/EditorFeatures/CSharpTest2/Microsoft.CodeAnalysis.CSharp.EditorFeatures2.UnitTests.csproj b/src/EditorFeatures/CSharpTest2/Microsoft.CodeAnalysis.CSharp.EditorFeatures2.UnitTests.csproj
index cc9a7c3079bebd504a02ab071f3c1bc67630338a..858ee909ebdb7712f2640c31adf5479e4b4a5d38 100644
--- a/src/EditorFeatures/CSharpTest2/Microsoft.CodeAnalysis.CSharp.EditorFeatures2.UnitTests.csproj
+++ b/src/EditorFeatures/CSharpTest2/Microsoft.CodeAnalysis.CSharp.EditorFeatures2.UnitTests.csproj
@@ -49,6 +49,8 @@
     <Reference Include="System.XML" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="WindowsBase" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Imaging" Version="$(MicrosoftVisualStudioImagingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
diff --git a/src/EditorFeatures/Core.Wpf/Microsoft.CodeAnalysis.EditorFeatures.Wpf.csproj b/src/EditorFeatures/Core.Wpf/Microsoft.CodeAnalysis.EditorFeatures.Wpf.csproj
index 53965efb364c6412152980cf2cd79990fbadc86c..3307e8dccc80319ddbf4d661c687a336b1e7ef79 100644
--- a/src/EditorFeatures/Core.Wpf/Microsoft.CodeAnalysis.EditorFeatures.Wpf.csproj
+++ b/src/EditorFeatures/Core.Wpf/Microsoft.CodeAnalysis.EditorFeatures.Wpf.csproj
@@ -47,6 +47,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.RemoteControl" Version="$(MicrosoftVisualStudioRemoteControlVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.SDK.EmbedInteropTypes" Version="$(MicrosoftVisualStudioSDKEmbedInteropTypesVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.VisualStudio.LanguageServices.CodeLens" />
diff --git a/src/EditorFeatures/Core/Microsoft.CodeAnalysis.EditorFeatures.csproj b/src/EditorFeatures/Core/Microsoft.CodeAnalysis.EditorFeatures.csproj
index a4e8d370f428df51df021959dbaa4802ede10f2a..96e95b52af05a232ae2b34a76aaf1e1b0402c9a7 100644
--- a/src/EditorFeatures/Core/Microsoft.CodeAnalysis.EditorFeatures.csproj
+++ b/src/EditorFeatures/Core/Microsoft.CodeAnalysis.EditorFeatures.csproj
@@ -36,6 +36,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.CodeAnalysis.Elfie" Version="$(MicrosoftCodeAnalysisElfieVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.SDK.EmbedInteropTypes" Version="$(MicrosoftVisualStudioSDKEmbedInteropTypesVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.CSharp.EditorFeatures" />
diff --git a/src/EditorFeatures/Test/Microsoft.CodeAnalysis.EditorFeatures.UnitTests.csproj b/src/EditorFeatures/Test/Microsoft.CodeAnalysis.EditorFeatures.UnitTests.csproj
index 13e1707cdda27a12fbeb5fd540a892f120b93aa0..976d5772789aaf0d15706dadae600a286913fc0d 100644
--- a/src/EditorFeatures/Test/Microsoft.CodeAnalysis.EditorFeatures.UnitTests.csproj
+++ b/src/EditorFeatures/Test/Microsoft.CodeAnalysis.EditorFeatures.UnitTests.csproj
@@ -71,6 +71,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.Internal" Version="$(MicrosoftVisualStudioTextInternalVersion)" IncludeAssets="runtime" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
   </ItemGroup>
diff --git a/src/EditorFeatures/Test2/Microsoft.CodeAnalysis.EditorFeatures2.UnitTests.vbproj b/src/EditorFeatures/Test2/Microsoft.CodeAnalysis.EditorFeatures2.UnitTests.vbproj
index a69a9a7e1bcd69251764c43718c4d2c4648a62d4..5e8df22fbf0ac07a6bd5bfbec12095536af9ce04 100644
--- a/src/EditorFeatures/Test2/Microsoft.CodeAnalysis.EditorFeatures2.UnitTests.vbproj
+++ b/src/EditorFeatures/Test2/Microsoft.CodeAnalysis.EditorFeatures2.UnitTests.vbproj
@@ -62,6 +62,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Telemetry" Version="$(MicrosoftVisualStudioTelemetryVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
     <PackageReference Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowVersion)" />
diff --git a/src/EditorFeatures/TestUtilities/Roslyn.Services.Test.Utilities.csproj b/src/EditorFeatures/TestUtilities/Roslyn.Services.Test.Utilities.csproj
index 8bce83628698a80ca1d9c1400a698a95391dd2c3..cabc2f7d70dec3ad789f18cd6b3fc95ab9550168 100644
--- a/src/EditorFeatures/TestUtilities/Roslyn.Services.Test.Utilities.csproj
+++ b/src/EditorFeatures/TestUtilities/Roslyn.Services.Test.Utilities.csproj
@@ -54,6 +54,8 @@
     <PackageReference Include="Microsoft.VisualStudio.Editor" Version="$(MicrosoftVisualStudioEditorVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Platform.VSEditor" Version="$(MicrosoftVisualStudioPlatformVSEditorVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="$(MicrosoftVisualStudioCompositionVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Imaging" Version="$(MicrosoftVisualStudioImagingVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.ImageCatalog" Version="$(MicrosoftVisualStudioImageCatalogVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Language" Version="$(MicrosoftVisualStudioLanguageVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Language.StandardClassification" Version="$(MicrosoftVisualStudioLanguageStandardClassificationVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Language.Intellisense" Version="$(MicrosoftVisualStudioLanguageIntellisenseVersion)" />
diff --git a/src/EditorFeatures/TestUtilities2/Microsoft.CodeAnalysis.EditorFeatures.Test.Utilities.vbproj b/src/EditorFeatures/TestUtilities2/Microsoft.CodeAnalysis.EditorFeatures.Test.Utilities.vbproj
index bff562413c797d09f36bc0f19bd2106fe115a540..e5c54ef7f3fc2d51d2d7a81ef9d3af7fbbb8a6a0 100644
--- a/src/EditorFeatures/TestUtilities2/Microsoft.CodeAnalysis.EditorFeatures.Test.Utilities.vbproj
+++ b/src/EditorFeatures/TestUtilities2/Microsoft.CodeAnalysis.EditorFeatures.Test.Utilities.vbproj
@@ -48,6 +48,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.Internal" Version="$(MicrosoftVisualStudioTextInternalVersion)" IncludeAssets="runtime" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
   </ItemGroup>
diff --git a/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj b/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj
index 3911606fe1ead660415b730820668d314198732b..5a725c3f8440bae2e11d76dbbc0cfc692db91b12 100644
--- a/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj
+++ b/src/EditorFeatures/Text/Microsoft.CodeAnalysis.EditorFeatures.Text.csproj
@@ -23,6 +23,7 @@
     <PackageReference Include="Microsoft.VisualStudio.CoreUtility" Version="$(MicrosoftVisualStudioCoreUtilityVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.Data" Version="$(MicrosoftVisualStudioTextDataVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.Logic" Version="$(MicrosoftVisualStudioTextLogicVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <!-- InternalsVisibleTo go here -->
diff --git a/src/EditorFeatures/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.vbproj b/src/EditorFeatures/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.vbproj
index 653d4c03228bfa857456adbec51b4fda1b038d38..994fa4051feb23ffae528aaf536a50ee78f81b72 100644
--- a/src/EditorFeatures/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.vbproj
+++ b/src/EditorFeatures/VisualBasic/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.vbproj
@@ -34,6 +34,7 @@
     <Reference Include="System.ComponentModel.Composition" />
     <PackageReference Include="Microsoft.VisualStudio.Language.Intellisense" Version="$(MicrosoftVisualStudioLanguageIntellisenseVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <Import Include="Microsoft.CodeAnalysis.Editor.Shared.Extensions" />
diff --git a/src/EditorFeatures/VisualBasicTest/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.UnitTests.vbproj b/src/EditorFeatures/VisualBasicTest/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.UnitTests.vbproj
index c747ebe57eef7029e18c0b6d0007f65d371e235d..ebf3d83d1e8e3ccf44e90eb766de2367eee0771d 100644
--- a/src/EditorFeatures/VisualBasicTest/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.UnitTests.vbproj
+++ b/src/EditorFeatures/VisualBasicTest/Microsoft.CodeAnalysis.VisualBasic.EditorFeatures.UnitTests.vbproj
@@ -57,6 +57,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Language.StandardClassification" Version="$(MicrosoftVisualStudioLanguageStandardClassificationVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
   </ItemGroup>
diff --git a/src/Features/LanguageServer/Protocol/Microsoft.CodeAnalysis.LanguageServer.Protocol.csproj b/src/Features/LanguageServer/Protocol/Microsoft.CodeAnalysis.LanguageServer.Protocol.csproj
index 6656758f50edb3a4f09c70290338563167774547..a716c03312788749967fa35c10acd793043f9e86 100644
--- a/src/Features/LanguageServer/Protocol/Microsoft.CodeAnalysis.LanguageServer.Protocol.csproj
+++ b/src/Features/LanguageServer/Protocol/Microsoft.CodeAnalysis.LanguageServer.Protocol.csproj
@@ -23,6 +23,7 @@
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.CoreUtility" Version="$(MicrosoftVisualStudioCoreUtilityVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Setup/DevDivInsertionFiles/DevDivInsertionFiles.csproj b/src/Setup/DevDivInsertionFiles/DevDivInsertionFiles.csproj
index 51350ae1880307d3e73d37f647db132dc38eb2e3..2730ba44bd19dfac8f31f7b9561b284083074a46 100644
--- a/src/Setup/DevDivInsertionFiles/DevDivInsertionFiles.csproj
+++ b/src/Setup/DevDivInsertionFiles/DevDivInsertionFiles.csproj
@@ -118,6 +118,9 @@
       <_Dependency Remove="VSLangProj"/>
       <_Dependency Remove="VSLangProj2"/>
       <_Dependency Remove="VSLangProj80"/>
+      <_Dependency Remove="Microsoft.Win32.Registry"/>
+      <_Dependency Remove="System.Security.AccessControl"/>
+      <_Dependency Remove="System.Security.Principal.Windows"/>
     </ItemGroup>
 
     <!-- Calculate metadata we need -->
diff --git a/src/Test/Diagnostics/Roslyn.Hosting.Diagnostics.csproj b/src/Test/Diagnostics/Roslyn.Hosting.Diagnostics.csproj
index 00065b735e377569066f8c1c903be20574af23ac..d89d9f163f99dbe6d4b33d9145cf0ce696b8f26c 100644
--- a/src/Test/Diagnostics/Roslyn.Hosting.Diagnostics.csproj
+++ b/src/Test/Diagnostics/Roslyn.Hosting.Diagnostics.csproj
@@ -25,6 +25,7 @@
     <Reference Include="System.Xaml" />
     <Reference Include="System.Xml" />
     <Reference Include="WindowsBase" />
+    <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="PerfMargin\StatusIndicator.xaml.cs">
diff --git a/src/Tools/ExternalAccess/FSharp/Microsoft.CodeAnalysis.ExternalAccess.FSharp.csproj b/src/Tools/ExternalAccess/FSharp/Microsoft.CodeAnalysis.ExternalAccess.FSharp.csproj
index 845061519e95214697a23454e59b98f54cfeaf10..0ac3c5beb503347c7e0638a599bd37de28ec2aaf 100644
--- a/src/Tools/ExternalAccess/FSharp/Microsoft.CodeAnalysis.ExternalAccess.FSharp.csproj
+++ b/src/Tools/ExternalAccess/FSharp/Microsoft.CodeAnalysis.ExternalAccess.FSharp.csproj
@@ -79,7 +79,9 @@
     <PackageReference Include="Microsoft.VisualStudio.TextManager.Interop.12.1.DesignTime" Version="$(MicrosoftVisualStudioTextManagerInterop121DesignTimeVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.TextManager.Interop.16.0.DesignTime" Version="$(MicrosoftVisualStudioTextManagerInterop160DesignTimeVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Designer.Interfaces" Version="$(MicrosoftVisualStudioDesignerInterfacesVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Tools/ExternalAccess/FSharpTest/Microsoft.CodeAnalysis.ExternalAccess.FSharp.UnitTests.csproj b/src/Tools/ExternalAccess/FSharpTest/Microsoft.CodeAnalysis.ExternalAccess.FSharp.UnitTests.csproj
index 802645b23837363e63f0f0e4b7339532f06a3f65..97d23893344cc2dfff7f49d2e27f95bad36d81be 100644
--- a/src/Tools/ExternalAccess/FSharpTest/Microsoft.CodeAnalysis.ExternalAccess.FSharp.UnitTests.csproj
+++ b/src/Tools/ExternalAccess/FSharpTest/Microsoft.CodeAnalysis.ExternalAccess.FSharp.UnitTests.csproj
@@ -49,8 +49,10 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.Internal" Version="$(MicrosoftVisualStudioTextInternalVersion)" IncludeAssets="runtime" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Tools/ExternalAccess/LiveShare/Microsoft.CodeAnalysis.ExternalAccess.LiveShare.csproj b/src/Tools/ExternalAccess/LiveShare/Microsoft.CodeAnalysis.ExternalAccess.LiveShare.csproj
index 25e39d97ccbeb309b03c1e0bc83af26166e38350..bcefb81a46333590aa856b908961ef58fb985a4c 100644
--- a/src/Tools/ExternalAccess/LiveShare/Microsoft.CodeAnalysis.ExternalAccess.LiveShare.csproj
+++ b/src/Tools/ExternalAccess/LiveShare/Microsoft.CodeAnalysis.ExternalAccess.LiveShare.csproj
@@ -46,7 +46,9 @@
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.Framework" Version="$(MicrosoftVisualStudioShellFrameworkVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Telemetry" Version="$(MicrosoftVisualStudioTelemetryVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Tools/ExternalAccess/Xamarin.Remote/Microsoft.CodeAnalysis.ExternalAccess.Xamarin.Remote.csproj b/src/Tools/ExternalAccess/Xamarin.Remote/Microsoft.CodeAnalysis.ExternalAccess.Xamarin.Remote.csproj
index 9c9d58200a98651c765a48206e54fc65667502a7..64ab7a07a2702d65e8b2bf0229c136a02c5cf9d1 100644
--- a/src/Tools/ExternalAccess/Xamarin.Remote/Microsoft.CodeAnalysis.ExternalAccess.Xamarin.Remote.csproj
+++ b/src/Tools/ExternalAccess/Xamarin.Remote/Microsoft.CodeAnalysis.ExternalAccess.Xamarin.Remote.csproj
@@ -28,7 +28,9 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.Data" Version="$(MicrosoftVisualStudioTextDataVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.Logic" Version="$(MicrosoftVisualStudioTextLogicVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/VisualStudio/CSharp/Impl/Microsoft.VisualStudio.LanguageServices.CSharp.csproj b/src/VisualStudio/CSharp/Impl/Microsoft.VisualStudio.LanguageServices.CSharp.csproj
index 465cfc4f07f9d2349d3a651d50fd31783789c6e9..314fdfd9f30792d15c297294a48cf3baaa2ae36d 100644
--- a/src/VisualStudio/CSharp/Impl/Microsoft.VisualStudio.LanguageServices.CSharp.csproj
+++ b/src/VisualStudio/CSharp/Impl/Microsoft.VisualStudio.LanguageServices.CSharp.csproj
@@ -52,6 +52,7 @@
     <PackageReference Include="Microsoft.VisualStudio.SDK.EmbedInteropTypes" Version="$(MicrosoftVisualStudioSDKEmbedInteropTypesVersion)" />
     <!-- The reference does not flow from Microsoft.VisualStudio.LanguageServices since it's private in that project -->
     <PackageReference Include="Microsoft.VisualStudio.VsInteractiveWindow" Version="$(MicrosoftVisualStudioVsInteractiveWindowVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="VSLangProj80" Version="$(VSLangProj80Version)" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/VisualStudio/CSharp/Test/Microsoft.VisualStudio.LanguageServices.CSharp.UnitTests.csproj b/src/VisualStudio/CSharp/Test/Microsoft.VisualStudio.LanguageServices.CSharp.UnitTests.csproj
index 07059ab2e18dca9b62a8bc43363fd86f6a699509..88e94c6d9f616b7cca6327558470a78877fe9119 100644
--- a/src/VisualStudio/CSharp/Test/Microsoft.VisualStudio.LanguageServices.CSharp.UnitTests.csproj
+++ b/src/VisualStudio/CSharp/Test/Microsoft.VisualStudio.LanguageServices.CSharp.UnitTests.csproj
@@ -62,6 +62,7 @@
     <PackageReference Include="EnvDTE80" Version="$(EnvDTE80Version)" />
     <PackageReference Include="Microsoft.VisualStudio.InteractiveWindow" Version="$(MicrosoftVisualStudioInteractiveWindowVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Telemetry" Version="$(MicrosoftVisualStudioTelemetryVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Xunit.Combinatorial" Version="$(XunitCombinatorialVersion)" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj b/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj
index 97d6fccc60f157f86f81824992e196821227040b..d64a8fb554631b48afb5002eeb081eef3ded4299 100644
--- a/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj
+++ b/src/VisualStudio/CodeLens/Microsoft.VisualStudio.LanguageServices.CodeLens.csproj
@@ -34,6 +34,8 @@
     <PackageReference Include="Microsoft.VisualStudio.Language" Version="$(MicrosoftVisualStudioLanguageVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Language.Intellisense" Version="$(MicrosoftVisualStudioLanguageIntellisenseVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/VisualStudio/Core/Impl/Microsoft.VisualStudio.LanguageServices.Implementation.csproj b/src/VisualStudio/Core/Impl/Microsoft.VisualStudio.LanguageServices.Implementation.csproj
index 1aaf8e4965cd767e4b0da5ccc474d52adf400458..37158674fa5c7dce4c95baf20c865d823c99ed4f 100644
--- a/src/VisualStudio/Core/Impl/Microsoft.VisualStudio.LanguageServices.Implementation.csproj
+++ b/src/VisualStudio/Core/Impl/Microsoft.VisualStudio.LanguageServices.Implementation.csproj
@@ -66,6 +66,7 @@
     <PackageReference Include="Microsoft.VisualStudio.ComponentModelHost" Version="$(MicrosoftVisualStudioComponentModelHostVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
     <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
diff --git a/src/VisualStudio/Core/SolutionExplorerShim/Microsoft.VisualStudio.LanguageServices.SolutionExplorer.csproj b/src/VisualStudio/Core/SolutionExplorerShim/Microsoft.VisualStudio.LanguageServices.SolutionExplorer.csproj
index 1df9ee7a016f279ec175d910a4bc831513739f11..8bf8f85a9bd5e2fc2ff07ca48eb7a082197e1c80 100644
--- a/src/VisualStudio/Core/SolutionExplorerShim/Microsoft.VisualStudio.LanguageServices.SolutionExplorer.csproj
+++ b/src/VisualStudio/Core/SolutionExplorerShim/Microsoft.VisualStudio.LanguageServices.SolutionExplorer.csproj
@@ -43,6 +43,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Shell.Framework" Version="$(MicrosoftVisualStudioShellFrameworkVersion)" />
     <PackageReference Include="Microsoft.Build.Framework" Version="$(MicrosoftBuildFrameworkVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.SDK.EmbedInteropTypes" Version="$(MicrosoftVisualStudioSDKEmbedInteropTypesVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="SolutionExplorerShim.Designer.cs">
diff --git a/src/VisualStudio/Core/Test.Next/Roslyn.VisualStudio.Next.UnitTests.csproj b/src/VisualStudio/Core/Test.Next/Roslyn.VisualStudio.Next.UnitTests.csproj
index 497030be3bfeaf3eff1857234b2277a73a852f07..d6506542087b79f5c4ab548833a23b84f2f08b78 100644
--- a/src/VisualStudio/Core/Test.Next/Roslyn.VisualStudio.Next.UnitTests.csproj
+++ b/src/VisualStudio/Core/Test.Next/Roslyn.VisualStudio.Next.UnitTests.csproj
@@ -71,6 +71,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Telemetry" Version="$(MicrosoftVisualStudioTelemetryVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
     <PackageReference Include="System.Threading.Tasks.Dataflow" Version="$(SystemThreadingTasksDataflowVersion)" />
     <!-- Microsoft.VisualStudio.Platform.VSEditor references Microsoft.VisualStudio.Text.Internal since it's needed at runtime; we want to ensure we are using
diff --git a/src/VisualStudio/Core/Test/Microsoft.VisualStudio.LanguageServices.UnitTests.vbproj b/src/VisualStudio/Core/Test/Microsoft.VisualStudio.LanguageServices.UnitTests.vbproj
index 668b11536c428d1628de8ddb9c893a72f5ef2011..df750c5dfadf9748e7ddc75764a11bf1aa5ae144 100644
--- a/src/VisualStudio/Core/Test/Microsoft.VisualStudio.LanguageServices.UnitTests.vbproj
+++ b/src/VisualStudio/Core/Test/Microsoft.VisualStudio.LanguageServices.UnitTests.vbproj
@@ -75,6 +75,7 @@
     <PackageReference Include="Microsoft.VisualStudio.GraphModel" Version="$(MicrosoftVisualStudioGraphModelVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.ComponentModelHost" Version="$(MicrosoftVisualStudioComponentModelHostVersion)" />
     <PackageReference Include="Xunit.Combinatorial" Version="$(XunitCombinatorialVersion)" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
 
     <!-- This is needed by the Progression and Graph Model APIs at runtime  -->
     <PackageReference Include="Microsoft.VisualStudio.Diagnostics.PerformanceProvider" Version="$(MicrosoftVisualStudioDiagnosticsPerformanceProviderVersion)" />
diff --git a/src/VisualStudio/IntegrationTest/TestSetup/Microsoft.VisualStudio.IntegrationTest.Setup.csproj b/src/VisualStudio/IntegrationTest/TestSetup/Microsoft.VisualStudio.IntegrationTest.Setup.csproj
index 0d32b690b79fc8beb84f2da6be92374d22da19a2..48c2ca072a040f6d864d8279a188e4085472ea3d 100644
--- a/src/VisualStudio/IntegrationTest/TestSetup/Microsoft.VisualStudio.IntegrationTest.Setup.csproj
+++ b/src/VisualStudio/IntegrationTest/TestSetup/Microsoft.VisualStudio.IntegrationTest.Setup.csproj
@@ -46,6 +46,8 @@
     <PackageReference Include="Microsoft.VisualStudio.SDK.Analyzers" Version="$(MicrosoftVisualStudioSDKAnalyzersVersion)" PrivateAssets="all" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.Framework" Version="$(MicrosoftVisualStudioShellFrameworkVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Test\Diagnostics\Roslyn.Hosting.Diagnostics.csproj">
diff --git a/src/VisualStudio/IntegrationTest/TestUtilities/Microsoft.VisualStudio.IntegrationTest.Utilities.csproj b/src/VisualStudio/IntegrationTest/TestUtilities/Microsoft.VisualStudio.IntegrationTest.Utilities.csproj
index 1c8defaaf96b3a1fb1f6f9af4c42f2eaa30d857a..85f73a8c877353adcb353dd21b372de239c9ea6d 100644
--- a/src/VisualStudio/IntegrationTest/TestUtilities/Microsoft.VisualStudio.IntegrationTest.Utilities.csproj
+++ b/src/VisualStudio/IntegrationTest/TestUtilities/Microsoft.VisualStudio.IntegrationTest.Utilities.csproj
@@ -61,6 +61,7 @@
     <PackageReference Include="NuGet.SolutionRestoreManager.Interop" Version="$(NuGetSolutionRestoreManagerInteropVersion)" />
     <PackageReference Include="System.Collections.Immutable" Version="$(SystemCollectionsImmutableVersion)" />
     <PackageReference Include="UIAComWrapper" Version="$(UIAComWrapperVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj" />
diff --git a/src/VisualStudio/LiveShare/Impl/Microsoft.VisualStudio.LanguageServices.LiveShare.csproj b/src/VisualStudio/LiveShare/Impl/Microsoft.VisualStudio.LanguageServices.LiveShare.csproj
index da3261a7e6fa3e21a317496fe91270952280ec39..5ec56a6b70f53b05c7d344be1bef3e7cea9b7f62 100644
--- a/src/VisualStudio/LiveShare/Impl/Microsoft.VisualStudio.LanguageServices.LiveShare.csproj
+++ b/src/VisualStudio/LiveShare/Impl/Microsoft.VisualStudio.LanguageServices.LiveShare.csproj
@@ -21,7 +21,9 @@
     <PackageReference Include="Microsoft.VisualStudio.LiveShare.LanguageServices.Guest" Version="$(MicrosoftVisualStudioLiveShareLanguageServicesGuestVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.LanguageServer.Protocol.Extensions" Version="$(MicrosoftVisualStudioLanguageServerProtocolExtensionsVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.CodeAnalysis.ExternalAccess.LiveShare" />
diff --git a/src/VisualStudio/RemoteHostClientMock/Roslyn.VisualStudio.RemoteHostClientMock.csproj b/src/VisualStudio/RemoteHostClientMock/Roslyn.VisualStudio.RemoteHostClientMock.csproj
index 122d548c362245f5cc2ef09dd2ca4d6c4e8600cd..62e1b1244df1a0ccff3893a7e0eb3cd235cb4de9 100644
--- a/src/VisualStudio/RemoteHostClientMock/Roslyn.VisualStudio.RemoteHostClientMock.csproj
+++ b/src/VisualStudio/RemoteHostClientMock/Roslyn.VisualStudio.RemoteHostClientMock.csproj
@@ -44,6 +44,7 @@
     <PackageReference Include="Microsoft.VisualStudio.ComponentModelHost" Version="$(MicrosoftVisualStudioComponentModelHostVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
     <PackageReference Include="Microsoft.VisualStudio.SDK.Analyzers" Version="$(MicrosoftVisualStudioSDKAnalyzersVersion)" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/VisualStudio/Setup/Roslyn.VisualStudio.Setup.csproj b/src/VisualStudio/Setup/Roslyn.VisualStudio.Setup.csproj
index 2b5f1d1267657f8935a86da45991155aab0382f9..888d60122dddfc027cacae219d1789fb3451f093 100644
--- a/src/VisualStudio/Setup/Roslyn.VisualStudio.Setup.csproj
+++ b/src/VisualStudio/Setup/Roslyn.VisualStudio.Setup.csproj
@@ -314,6 +314,8 @@
     <PackageReference Include="Microsoft.VisualStudio.Shell.Framework" Version="$(MicrosoftVisualStudioShellFrameworkVersion)" />
     <PackageReference Include="SQLitePCLRaw.bundle_green" Version="$(SQLitePCLRawbundle_greenVersion)" />
     <PackageReference Include="Microsoft.CodeAnalysis.FlowAnalysis.Utilities" Version="$(MicrosoftCodeAnalysisFlowAnalysisUtilitiesVersion)" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
+    <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
   </ItemGroup>
   <Import Project="$(RepositoryEngineeringDir)targets\GenerateServiceHubConfigurationFiles.targets" />
 </Project>
diff --git a/src/VisualStudio/TestUtilities2/Microsoft.VisualStudio.LanguageServices.Test.Utilities2.vbproj b/src/VisualStudio/TestUtilities2/Microsoft.VisualStudio.LanguageServices.Test.Utilities2.vbproj
index 6c50004182bebaebe9a2f49fce2dab3054c2534d..1cf0893b3ea021cedcaf457054f39f4b920dfc01 100644
--- a/src/VisualStudio/TestUtilities2/Microsoft.VisualStudio.LanguageServices.Test.Utilities2.vbproj
+++ b/src/VisualStudio/TestUtilities2/Microsoft.VisualStudio.LanguageServices.Test.Utilities2.vbproj
@@ -81,6 +81,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.Internal" Version="$(MicrosoftVisualStudioTextInternalVersion)" IncludeAssets="runtime" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI" Version="$(MicrosoftVisualStudioTextUIVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Utilities" Version="$(MicrosoftVisualStudioUtilitiesVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Validation" Version="$(MicrosoftVisualStudioValidationVersion)" />
   </ItemGroup>
diff --git a/src/VisualStudio/VisualBasic/Impl/Microsoft.VisualStudio.LanguageServices.VisualBasic.vbproj b/src/VisualStudio/VisualBasic/Impl/Microsoft.VisualStudio.LanguageServices.VisualBasic.vbproj
index fe0cd45c3c6e99a210d563ff68d6c7312a79206b..ed1b43644a136c6f52e7a7499f937bdc15e7e383 100644
--- a/src/VisualStudio/VisualBasic/Impl/Microsoft.VisualStudio.LanguageServices.VisualBasic.vbproj
+++ b/src/VisualStudio/VisualBasic/Impl/Microsoft.VisualStudio.LanguageServices.VisualBasic.vbproj
@@ -54,6 +54,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.Design" Version="$(MicrosoftVisualStudioShellDesignVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.Framework" Version="$(MicrosoftVisualStudioShellFrameworkVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <InternalsVisibleTo Include="Microsoft.VisualStudio.ProjectSystem.VisualBasic" WorkItem="https://github.com/dotnet/roslyn/issues/35070" />
diff --git a/src/VisualStudio/VisualStudioDiagnosticsToolWindow/Roslyn.VisualStudio.DiagnosticsWindow.csproj b/src/VisualStudio/VisualStudioDiagnosticsToolWindow/Roslyn.VisualStudio.DiagnosticsWindow.csproj
index 3d8deb9469ab67a59e50fea993efede56890db75..c07c2e3d42de347bacb2f563b7a3078044425e65 100644
--- a/src/VisualStudio/VisualStudioDiagnosticsToolWindow/Roslyn.VisualStudio.DiagnosticsWindow.csproj
+++ b/src/VisualStudio/VisualStudioDiagnosticsToolWindow/Roslyn.VisualStudio.DiagnosticsWindow.csproj
@@ -65,6 +65,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Text.UI.Wpf" Version="$(MicrosoftVisualStudioTextUIWpfVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
     <PackageReference Include="Microsoft.VisualStudio.SDK.EmbedInteropTypes" Version="$(MicrosoftVisualStudioSDKEmbedInteropTypesVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>
     <Compile Update="Resources.Designer.cs">
diff --git a/src/VisualStudio/Xaml/Impl/Microsoft.VisualStudio.LanguageServices.Xaml.csproj b/src/VisualStudio/Xaml/Impl/Microsoft.VisualStudio.LanguageServices.Xaml.csproj
index d36846ee0a7b34d8360761905921f995b7c62117..5b41634a331100a11fdede0eacf96297b602dceb 100644
--- a/src/VisualStudio/Xaml/Impl/Microsoft.VisualStudio.LanguageServices.Xaml.csproj
+++ b/src/VisualStudio/Xaml/Impl/Microsoft.VisualStudio.LanguageServices.Xaml.csproj
@@ -31,6 +31,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Editor" Version="$(MicrosoftVisualStudioEditorVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Shell.15.0" Version="$(MicrosoftVisualStudioShell150Version)" />
     <PackageReference Include="Microsoft.VisualStudio.ComponentModelHost" Version="$(MicrosoftVisualStudioComponentModelHostVersion)" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
     <PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />