diff --git a/build/dependencies.props b/build/dependencies.props
index d14d1d3d51..017e0e0bb4 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,7 +3,7 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15742</InternalAspNetCoreSdkPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview2-15743</InternalAspNetCoreSdkPackageVersion>
     <InternalAspNetCoreSiteExtensionSdkPackageVersion>2.1.0-preview2-15741</InternalAspNetCoreSiteExtensionSdkPackageVersion>
     <MicrosoftApplicationInsightsAspNetCorePackageVersion>2.1.1</MicrosoftApplicationInsightsAspNetCorePackageVersion>
     <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview2-30355</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index e40ef6651b..58dd4d4306 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview2-15742
-commithash:21fbb0f2c3fe4a9216e2d59632b98cfd7d685962
+version:2.1.0-preview2-15743
+commithash:9e15cb6062ab5b9790d3fa699e018543a6950713
diff --git a/src/Microsoft.AspNetCore.ApplicationInsights.HostingStartup/baseline.netcore.json b/src/Microsoft.AspNetCore.ApplicationInsights.HostingStartup/baseline.netcore.json
new file mode 100644
index 0000000000..3414811912
--- /dev/null
+++ b/src/Microsoft.AspNetCore.ApplicationInsights.HostingStartup/baseline.netcore.json
@@ -0,0 +1,91 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.ApplicationInsights.HostingStartup, Version=2.0.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.ApplicationInsights.HostingStartup.ApplicationInsightsHostingStartup",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [
+        "Microsoft.AspNetCore.Hosting.IHostingStartup"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Configure",
+          "Parameters": [
+            {
+              "Name": "builder",
+              "Type": "Microsoft.AspNetCore.Hosting.IWebHostBuilder"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Hosting.IHostingStartup",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.ApplicationInsights.HostingStartup.JavaScriptSnippetTagHelperComponent",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "BaseType": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperComponent",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_Order",
+          "Parameters": [],
+          "ReturnType": "System.Int32",
+          "Virtual": true,
+          "Override": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Razor.TagHelpers.ITagHelperComponent",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Process",
+          "Parameters": [
+            {
+              "Name": "context",
+              "Type": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContext"
+            },
+            {
+              "Name": "output",
+              "Type": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperOutput"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Override": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "javaScriptSnippet",
+              "Type": "Microsoft.ApplicationInsights.AspNetCore.JavaScriptSnippet"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.ApplicationInsights.HostingStartup/baseline.netframework.json b/src/Microsoft.AspNetCore.ApplicationInsights.HostingStartup/baseline.netframework.json
new file mode 100644
index 0000000000..3414811912
--- /dev/null
+++ b/src/Microsoft.AspNetCore.ApplicationInsights.HostingStartup/baseline.netframework.json
@@ -0,0 +1,91 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.ApplicationInsights.HostingStartup, Version=2.0.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.ApplicationInsights.HostingStartup.ApplicationInsightsHostingStartup",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [
+        "Microsoft.AspNetCore.Hosting.IHostingStartup"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Configure",
+          "Parameters": [
+            {
+              "Name": "builder",
+              "Type": "Microsoft.AspNetCore.Hosting.IWebHostBuilder"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Hosting.IHostingStartup",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.ApplicationInsights.HostingStartup.JavaScriptSnippetTagHelperComponent",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "BaseType": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperComponent",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_Order",
+          "Parameters": [],
+          "ReturnType": "System.Int32",
+          "Virtual": true,
+          "Override": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Razor.TagHelpers.ITagHelperComponent",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Process",
+          "Parameters": [
+            {
+              "Name": "context",
+              "Type": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContext"
+            },
+            {
+              "Name": "output",
+              "Type": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperOutput"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Override": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "javaScriptSnippet",
+              "Type": "Microsoft.ApplicationInsights.AspNetCore.JavaScriptSnippet"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.AzureAppServices.HostingStartup/baseline.netcore.json b/src/Microsoft.AspNetCore.AzureAppServices.HostingStartup/baseline.netcore.json
new file mode 100644
index 0000000000..e294148f6c
--- /dev/null
+++ b/src/Microsoft.AspNetCore.AzureAppServices.HostingStartup/baseline.netcore.json
@@ -0,0 +1,39 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.AzureAppServices.HostingStartup, Version=2.0.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.AzureAppServices.HostingStartup.AzureAppServicesHostingStartup",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [
+        "Microsoft.AspNetCore.Hosting.IHostingStartup"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Configure",
+          "Parameters": [
+            {
+              "Name": "builder",
+              "Type": "Microsoft.AspNetCore.Hosting.IWebHostBuilder"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Hosting.IHostingStartup",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.AzureAppServices.HostingStartup/baseline.netframework.json b/src/Microsoft.AspNetCore.AzureAppServices.HostingStartup/baseline.netframework.json
new file mode 100644
index 0000000000..e294148f6c
--- /dev/null
+++ b/src/Microsoft.AspNetCore.AzureAppServices.HostingStartup/baseline.netframework.json
@@ -0,0 +1,39 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.AzureAppServices.HostingStartup, Version=2.0.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.AzureAppServices.HostingStartup.AzureAppServicesHostingStartup",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [
+        "Microsoft.AspNetCore.Hosting.IHostingStartup"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Configure",
+          "Parameters": [
+            {
+              "Name": "builder",
+              "Type": "Microsoft.AspNetCore.Hosting.IWebHostBuilder"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Hosting.IHostingStartup",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.AzureAppServicesIntegration/baseline.netcore.json b/src/Microsoft.AspNetCore.AzureAppServicesIntegration/baseline.netcore.json
new file mode 100644
index 0000000000..f38ef43d21
--- /dev/null
+++ b/src/Microsoft.AspNetCore.AzureAppServicesIntegration/baseline.netcore.json
@@ -0,0 +1,32 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.AzureAppServicesIntegration, Version=2.0.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.Hosting.AppServicesWebHostBuilderExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseAzureAppServices",
+          "Parameters": [
+            {
+              "Name": "hostBuilder",
+              "Type": "Microsoft.AspNetCore.Hosting.IWebHostBuilder"
+            }
+          ],
+          "ReturnType": "Microsoft.AspNetCore.Hosting.IWebHostBuilder",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Microsoft.Web.Xdt.Extensions/baseline.netframework.json b/src/Microsoft.Web.Xdt.Extensions/baseline.netframework.json
new file mode 100644
index 0000000000..6b11c408ac
--- /dev/null
+++ b/src/Microsoft.Web.Xdt.Extensions/baseline.netframework.json
@@ -0,0 +1,53 @@
+{
+  "AssemblyIdentity": "Microsoft.Web.Xdt.Extensions, Version=2.0.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.Web.Xdt.Extensions.InsertOrAppendAttribute",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "BaseType": "Microsoft.Web.XmlTransform.Transform",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_AttributeName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "GetArgumentValue",
+          "Parameters": [
+            {
+              "Name": "name",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.String",
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Apply",
+          "Parameters": [],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Override": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file