diff --git a/Bin/Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll b/Bin/Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll
index 4d638b3df..905ef1009 100644
Binary files a/Bin/Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll and b/Bin/Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll differ
diff --git a/Bin/roslyn/Microsoft.Build.Tasks.CodeAnalysis.dll b/Bin/roslyn/Microsoft.Build.Tasks.CodeAnalysis.dll
index 4aca434ef..2fd00f137 100644
Binary files a/Bin/roslyn/Microsoft.Build.Tasks.CodeAnalysis.dll and b/Bin/roslyn/Microsoft.Build.Tasks.CodeAnalysis.dll differ
diff --git a/Bin/roslyn/Microsoft.CSharp.Core.targets b/Bin/roslyn/Microsoft.CSharp.Core.targets
index 65629e5e5..faeeafeb7 100644
--- a/Bin/roslyn/Microsoft.CSharp.Core.targets
+++ b/Bin/roslyn/Microsoft.CSharp.Core.targets
@@ -19,7 +19,7 @@
                  @(_DebugSymbolsIntermediatePath);
                  $(NonExistentFile);
                  @(CustomAdditionalCompileOutputs)"
-          Returns=""
+          Returns="@(CscCommandLineArgs)"
           DependsOnTargets="$(CoreCompileDependsOn)"
     >
     <!-- These two compiler warnings are raised when a reference is bound to a different version
@@ -73,6 +73,7 @@
           ApplicationConfiguration="$(AppConfigForCompiler)"
           BaseAddress="$(BaseAddress)"
           CheckForOverflowUnderflow="$(CheckForOverflowUnderflow)"
+          ChecksumAlgorithm="$(ChecksumAlgorithm)"
           CodeAnalysisRuleSet="$(ResolvedCodeAnalysisRuleSet)"
           CodePage="$(CodePage)"
           DebugType="$(DebugType)"
@@ -85,6 +86,7 @@
           ErrorEndLocation="$(ErrorEndLocation)"
           ErrorLog="$(ErrorLog)"
           ErrorReport="$(ErrorReport)"
+          Features="$(Features)"
           FileAlignment="$(FileAlignment)"
           GenerateFullPaths="$(GenerateFullPaths)"
           HighEntropyVA="$(HighEntropyVA)"
@@ -99,15 +101,20 @@
           NoStandardLib="$(NoCompilerStandardLib)"
           NoWin32Manifest="$(NoWin32Manifest)"
           Optimize="$(Optimize)"
+          Deterministic="$(Deterministic)"
+          PublicSign="$(PublicSign)"
           OutputAssembly="@(IntermediateAssembly)"
           PdbFile="$(PdbFile)"
           Platform="$(PlatformTarget)"
           Prefer32Bit="$(Prefer32Bit)"
           PreferredUILang="$(PreferredUILang)"
+          ProvideCommandLineArgs="$(ProvideCommandLineArgs)"
           References="@(ReferencePath)"
           ReportAnalyzer="$(ReportAnalyzer)"
           Resources="@(_CoreCompileResourceInputs);@(CompiledLicenseFile)"
           ResponseFiles="$(CompilerResponseFile)"
+          RuntimeMetadataVersion="$(RuntimeMetadataVersion)"
+          SkipCompilerExecution="$(SkipCompilerExecution)"
           Sources="@(Compile)"
           SubsystemVersion="$(SubsystemVersion)"
           TargetType="$(OutputType)"
@@ -124,7 +131,10 @@
           Win32Icon="$(ApplicationIcon)"
           Win32Manifest="$(Win32Manifest)"
           Win32Resource="$(Win32Resource)"
-              />
+          PathMap="$(PathMap)"
+          >
+      <Output TaskParameter="CommandLineArgs" ItemName="CscCommandLineArgs" />
+    </Csc>
 
     <ItemGroup>
       <_CoreCompileResourceInputs Remove="@(_CoreCompileResourceInputs)" />
diff --git a/Bin/roslyn/Microsoft.CodeAnalysis.CSharp.dll b/Bin/roslyn/Microsoft.CodeAnalysis.CSharp.dll
index c01c29fc0..20ab202a7 100644
Binary files a/Bin/roslyn/Microsoft.CodeAnalysis.CSharp.dll and b/Bin/roslyn/Microsoft.CodeAnalysis.CSharp.dll differ
diff --git a/Bin/roslyn/Microsoft.CodeAnalysis.VisualBasic.dll b/Bin/roslyn/Microsoft.CodeAnalysis.VisualBasic.dll
index a48642f43..c101e41db 100644
Binary files a/Bin/roslyn/Microsoft.CodeAnalysis.VisualBasic.dll and b/Bin/roslyn/Microsoft.CodeAnalysis.VisualBasic.dll differ
diff --git a/Bin/roslyn/Microsoft.CodeAnalysis.dll b/Bin/roslyn/Microsoft.CodeAnalysis.dll
index c21619792..c7d4fb8d5 100644
Binary files a/Bin/roslyn/Microsoft.CodeAnalysis.dll and b/Bin/roslyn/Microsoft.CodeAnalysis.dll differ
diff --git a/Bin/roslyn/Microsoft.VisualBasic.Core.targets b/Bin/roslyn/Microsoft.VisualBasic.Core.targets
index 4dc93e391..949748e3e 100644
--- a/Bin/roslyn/Microsoft.VisualBasic.Core.targets
+++ b/Bin/roslyn/Microsoft.VisualBasic.Core.targets
@@ -19,7 +19,7 @@
                  @(_DebugSymbolsIntermediatePath);
                  $(NonExistentFile);
                  @(CustomAdditionalCompileOutputs)"
-          Returns=""
+          Returns="@(VbcCommandLineArgs)"
           DependsOnTargets="$(CoreCompileDependsOn)"
     >
     <PropertyGroup>
@@ -59,6 +59,7 @@
           AdditionalFiles="@(AdditionalFiles)"
           Analyzers="@(Analyzer)"
           BaseAddress="$(BaseAddress)"
+          ChecksumAlgorithm="$(ChecksumAlgorithm)"
           CodeAnalysisRuleSet="$(ResolvedCodeAnalysisRuleSet)"
           CodePage="$(CodePage)"
           DebugType="$(DebugType)"
@@ -70,6 +71,7 @@
           EnvironmentVariables="$(VbcEnvironment)"
           ErrorLog="$(ErrorLog)"
           ErrorReport="$(ErrorReport)"
+          Features="$(Features)"
           FileAlignment="$(FileAlignment)"
           GenerateDocumentation="$(GenerateDocumentation)"
           HighEntropyVA="$(HighEntropyVA)"
@@ -86,6 +88,8 @@
           NoWarnings="$(_NoWarnings)"
           NoWin32Manifest="$(NoWin32Manifest)"
           Optimize="$(Optimize)"
+          Deterministic="$(Deterministic)"
+          PublicSign="$(PublicSign)"
           OptionCompare="$(OptionCompare)"
           OptionExplicit="$(OptionExplicit)"
           OptionInfer="$(OptionInfer)"
@@ -96,13 +100,16 @@
           Platform="$(PlatformTarget)"
           Prefer32Bit="$(Prefer32Bit)"
           PreferredUILang="$(PreferredUILang)"
+          ProvideCommandLineArgs="$(ProvideCommandLineArgs)"
           References="@(ReferencePath)"
           RemoveIntegerChecks="$(RemoveIntegerChecks)"
           ReportAnalyzer="$(ReportAnalyzer)"
           Resources="@(_CoreCompileResourceInputs);@(CompiledLicenseFile)"
           ResponseFiles="$(CompilerResponseFile)"
           RootNamespace="$(RootNamespace)"
+          RuntimeMetadataVersion="$(RuntimeMetadataVersion)"
           SdkPath="$(FrameworkPathOverride)"
+          SkipCompilerExecution="$(SkipCompilerExecution)"
           Sources="@(Compile)"
           SubsystemVersion="$(SubsystemVersion)"
           TargetCompactFramework="$(TargetCompactFramework)"
@@ -122,8 +129,10 @@
           Win32Manifest="$(Win32Manifest)"
           Win32Resource="$(Win32Resource)"
           VBRuntime="$(VBRuntime)"
-          />
-
+          PathMap="$(PathMap)"
+          >
+      <Output TaskParameter="CommandLineArgs" ItemName="VbcCommandLineArgs" />
+    </Vbc>
     <ItemGroup>
       <_CoreCompileResourceInputs Remove="@(_CoreCompileResourceInputs)" />
     </ItemGroup>
diff --git a/Bin/roslyn/System.Collections.Immutable.dll b/Bin/roslyn/System.Collections.Immutable.dll
index 888e9144f..6fc2d69aa 100644
Binary files a/Bin/roslyn/System.Collections.Immutable.dll and b/Bin/roslyn/System.Collections.Immutable.dll differ
diff --git a/Bin/roslyn/System.Reflection.Metadata.dll b/Bin/roslyn/System.Reflection.Metadata.dll
index a3ac7a200..1c9771489 100644
Binary files a/Bin/roslyn/System.Reflection.Metadata.dll and b/Bin/roslyn/System.Reflection.Metadata.dll differ
diff --git a/Bin/roslyn/VBCSCompiler.exe b/Bin/roslyn/VBCSCompiler.exe
index b2dceff60..3aa8e117f 100644
Binary files a/Bin/roslyn/VBCSCompiler.exe and b/Bin/roslyn/VBCSCompiler.exe differ
diff --git a/Bin/roslyn/VBCSCompiler.exe.config b/Bin/roslyn/VBCSCompiler.exe.config
index 8b142580b..6a1235fb7 100644
--- a/Bin/roslyn/VBCSCompiler.exe.config
+++ b/Bin/roslyn/VBCSCompiler.exe.config
@@ -5,6 +5,28 @@
   <runtime>
     <gcServer enabled="true"/>
     <gcConcurrent enabled="false"/>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.CodeAnalysis" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="1.0.0.0-1.3.1.0" newVersion="1.3.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.CodeAnalysis.CSharp" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="1.0.0.0-1.3.1.0" newVersion="1.3.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.CodeAnalysis.VisualBasic" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="1.0.0.0-1.3.1.0" newVersion="1.3.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Collections.Immutable" culture="neutral" publicKeyToken="b03f5f7f11d50a3a" />
+        <bindingRedirect oldVersion="1.1.0.0-1.1.65535.65535" newVersion="1.1.37.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Reflection.Metadata" culture="neutral" publicKeyToken="b03f5f7f11d50a3a" />
+        <bindingRedirect oldVersion="1.0.0.0-1.1.65535.65535" newVersion="1.2.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
   </runtime>
   <appSettings>
     <!-- Number of seconds with no activity before the server times out and closes. 
diff --git a/Bin/roslyn/vbc.exe b/Bin/roslyn/vbc.exe
index bc98748c7..3454d6aa8 100644
Binary files a/Bin/roslyn/vbc.exe and b/Bin/roslyn/vbc.exe differ
diff --git a/packages.config b/packages.config
index aba590c02..5ee680016 100644
--- a/packages.config
+++ b/packages.config
@@ -23,6 +23,7 @@
   <package id="Microsoft.Bcl.AsyncInterfaces" version="5.0.0" targetFramework="net461" />
   <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net461" />
   <package id="Microsoft.Bcl.HashCode" version="1.1.1" targetFramework="net461" />
+  <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="3.6.0" targetFramework="net45" />
   <package id="Microsoft.CSharp" version="4.7.0" targetFramework="net461" />
   <package id="Microsoft.EntityFrameworkCore" version="3.1.14" targetFramework="net461" />
   <package id="Microsoft.EntityFrameworkCore.Abstractions" version="3.1.14" targetFramework="net461" />
@@ -41,6 +42,7 @@
   <package id="Microsoft.IdentityModel.JsonWebTokens" version="6.11.0" targetFramework="net461" />
   <package id="Microsoft.IdentityModel.Logging" version="6.11.0" targetFramework="net461" />
   <package id="Microsoft.IdentityModel.Tokens" version="6.11.0" targetFramework="net461" />
+  <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net45" developmentDependency="true" />
   <package id="Microsoft.Owin" version="4.2.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="4.2.0" targetFramework="net461" />
diff --git a/vwd.webinfo b/vwd.webinfo
index 82dd809d5..39816ba5e 100644
--- a/vwd.webinfo
+++ b/vwd.webinfo
@@ -420,6 +420,8 @@
     
   
     
+  
+