diff --git a/build/dependencies.props b/build/dependencies.props
index 4fa6a46724..ea9c70fbd5 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,39 +4,39 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <AngleSharpPackageVersion>0.9.9</AngleSharpPackageVersion>
-    <DotNetEfPackageVersion>3.0.0-alpha1-10549</DotNetEfPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20180919.1</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAppPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreAppPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationAzureADB2CUIPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreAuthenticationAzureADB2CUIPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationAzureADUIPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreAuthenticationAzureADUIPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
-    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
-    <MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>
-    <MicrosoftAspNetCoreCookiePolicyPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreCookiePolicyPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreHttpsPolicyPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreHttpsPolicyPackageVersion>
-    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
-    <MicrosoftAspNetCoreIdentityUIPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreIdentityUIPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCorePackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCorePackageVersion>
-    <MicrosoftAspNetCoreRazorDesignPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreRazorDesignPackageVersion>
-    <MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>
-    <MicrosoftAspNetCoreSpaServicesPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreSpaServicesPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10549</MicrosoftAspNetCoreTestingPackageVersion>
+    <DotNetEfPackageVersion>3.0.0-alpha1-10620</DotNetEfPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-20181017.4</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAppPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreAppPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationAzureADB2CUIPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreAuthenticationAzureADB2CUIPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationAzureADUIPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreAuthenticationAzureADUIPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreAuthenticationCookiesPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreAuthenticationJwtBearerPackageVersion>
+    <MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreAuthenticationOpenIdConnectPackageVersion>
+    <MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreCertificatesGenerationSourcesPackageVersion>
+    <MicrosoftAspNetCoreCookiePolicyPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreCookiePolicyPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreDiagnosticsEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreHttpsPolicyPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreHttpsPolicyPackageVersion>
+    <MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreIdentityEntityFrameworkCorePackageVersion>
+    <MicrosoftAspNetCoreIdentityUIPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreIdentityUIPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCorePackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCorePackageVersion>
+    <MicrosoftAspNetCoreRazorDesignPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreRazorDesignPackageVersion>
+    <MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreSpaServicesExtensionsPackageVersion>
+    <MicrosoftAspNetCoreSpaServicesPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreSpaServicesPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10620</MicrosoftAspNetCoreTestingPackageVersion>
     <MicrosoftBuildFrameworkPackageVersion>15.6.82</MicrosoftBuildFrameworkPackageVersion>
     <MicrosoftBuildUtilitiesCorePackageVersion>15.6.82</MicrosoftBuildUtilitiesCorePackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>3.0.0-alpha1-10549</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
-    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>3.0.0-alpha1-10549</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
-    <MicrosoftEntityFrameworkCoreToolsPackageVersion>3.0.0-alpha1-10549</MicrosoftEntityFrameworkCoreToolsPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-alpha1-10549</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsProcessSourcesPackageVersion>3.0.0-alpha1-10549</MicrosoftExtensionsProcessSourcesPackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlitePackageVersion>3.0.0-alpha1-10620</MicrosoftEntityFrameworkCoreSqlitePackageVersion>
+    <MicrosoftEntityFrameworkCoreSqlServerPackageVersion>3.0.0-alpha1-10620</MicrosoftEntityFrameworkCoreSqlServerPackageVersion>
+    <MicrosoftEntityFrameworkCoreToolsPackageVersion>3.0.0-alpha1-10620</MicrosoftEntityFrameworkCoreToolsPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-alpha1-10620</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsProcessSourcesPackageVersion>3.0.0-alpha1-10620</MicrosoftExtensionsProcessSourcesPackageVersion>
     <MicrosoftNETCoreApp30PackageVersion>3.0.0-preview1-26907-05</MicrosoftNETCoreApp30PackageVersion>
-    <MicrosoftNETSdkRazorPackageVersion>3.0.0-alpha1-10549</MicrosoftNETSdkRazorPackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>3.0.0-alpha1-10620</MicrosoftNETSdkRazorPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.6.1</MicrosoftNETTestSdkPackageVersion>
-    <MicrosoftVisualStudioWebBrowserLinkPackageVersion>3.0.0-alpha1-10549</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
-    <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>3.0.0-alpha1-10549</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
+    <MicrosoftVisualStudioWebBrowserLinkPackageVersion>3.0.0-alpha1-10620</MicrosoftVisualStudioWebBrowserLinkPackageVersion>
+    <MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>3.0.0-alpha1-10620</MicrosoftVisualStudioWebCodeGenerationDesignPackageVersion>
     <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
     <SeleniumSupportPackageVersion>3.12.1</SeleniumSupportPackageVersion>
     <SeleniumWebDriverMicrosoftDriverPackageVersion>17.17134.0</SeleniumWebDriverMicrosoftDriverPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index d66a13bdc7..9fc0b0ad13 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:3.0.0-alpha1-20180919.1
-commithash:3066ae0a230870ea07e3f132605b5e5493f8bbd4
+version:3.0.0-alpha1-20181017.4
+commithash:42e6f534fa88fb777f0bf489342a5a072e2ed274
diff --git a/src/Microsoft.DotNet.Web.ProjectTemplates/Microsoft.DotNet.Web.ProjectTemplates.csproj b/src/Microsoft.DotNet.Web.ProjectTemplates/Microsoft.DotNet.Web.ProjectTemplates.csproj
index 006e0c1ca7..f3d5fe6b1b 100644
--- a/src/Microsoft.DotNet.Web.ProjectTemplates/Microsoft.DotNet.Web.ProjectTemplates.csproj
+++ b/src/Microsoft.DotNet.Web.ProjectTemplates/Microsoft.DotNet.Web.ProjectTemplates.csproj
@@ -10,6 +10,11 @@
     To install the templates in this package, run 'dotnet new --install $(PackageId)::$(PackageVersion)'.</Description>
   </PropertyGroup>
 
+  <ItemGroup>
+    <!-- We don't need to code sign these .js files because they are not used in Windows Script Host. -->
+    <ExcludePackageFileFromSigning Include="content\**\*.js" />
+  </ItemGroup>
+
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
 
   <!-- Set this last to ensure the properties get the final versions which may be overridden by CI. -->
diff --git a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/Microsoft.DotNet.Web.Spa.ProjectTemplates.csproj b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/Microsoft.DotNet.Web.Spa.ProjectTemplates.csproj
index dbff3558ba..4e71f79422 100644
--- a/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/Microsoft.DotNet.Web.Spa.ProjectTemplates.csproj
+++ b/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/Microsoft.DotNet.Web.Spa.ProjectTemplates.csproj
@@ -10,6 +10,11 @@
     <PackageTags>$(PackageTags);spa</PackageTags>
   </PropertyGroup>
 
+  <ItemGroup>
+    <!-- We don't need to code sign these .js files because they are not used in Windows Script Host. -->
+    <ExcludePackageFileFromSigning Include="content\**\*.js" />
+  </ItemGroup>
+
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
 
   <!-- Set this last to ensure the properties get the final versions which may be overridden by CI. -->