diff --git a/.appveyor.yml b/.appveyor.yml
index 7ca6d1770f..212f42583e 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,5 +1,5 @@
 init:
-  - git config --global core.autocrlf true
+- git config --global core.autocrlf true
 environment:
   AUTOBAHN_SUITES_LOG: 1
   global:
@@ -7,13 +7,12 @@ environment:
     DOTNET_CLI_TELEMETRY_OPTOUT: 1
 branches:
   only:
-    - master
-    - /release\/.*/
-    - dev
-    - /^(.*\/)?ci-.*$/
+  - dev
+  - /^release\/.*$/
+  - /^(.*\/)?ci-.*$/
 build_script:
-  - ps: .\run.ps1 default-build
+- ps: .\run.ps1 default-build
 clone_depth: 1
-test: off
-deploy: off
+test: 'off'
+deploy: 'off'
 os: Visual Studio 2017
diff --git a/.travis.yml b/.travis.yml
index 1a8a676d38..81bf8af485 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,28 +3,27 @@ sudo: false
 dist: trusty
 env:
   global:
-    - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
-    - DOTNET_CLI_TELEMETRY_OPTOUT: 1
-    - AUTOBAHN_SUITES_LOG: 1
-    - ASPNETCORE_WSTEST_PATH: "$TRAVIS_BUILD_DIR/.virtualenv/bin/wstest"
+  - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+  - DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  - AUTOBAHN_SUITES_LOG: 1
+  - ASPNETCORE_WSTEST_PATH: $TRAVIS_BUILD_DIR/.virtualenv/bin/wstest
 mono: none
 python:
-  - pypy
+- pypy
 os:
-  - linux
-  - osx
+- linux
+- osx
 osx_image: xcode8.2
 addons:
   apt:
     packages:
-      - libunwind8
+    - libunwind8
 branches:
   only:
-    - master
-    - /release\/.*/
-    - dev
-    - /^(.*\/)?ci-.*$/
+  - dev
+  - /^release\/.*$/
+  - /^(.*\/)?ci-.*$/
 install:
-  - ./build/setup-wstest.sh
+- ./build/setup-wstest.sh
 script:
-  - ./build.sh
+- ./build.sh
diff --git a/build/dependencies.props b/build/dependencies.props
index 2de3e02327..c437c86eb8 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -3,21 +3,21 @@
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15679</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreServerHttpSysPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreServerHttpSysPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-28172</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-28172</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-28172</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-28172</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-28172</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview1-28172</MicrosoftExtensionsOptionsPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-1010</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAspNetCoreModulePackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreAspNetCoreModulePackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreServerHttpSysPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreServerHttpSysPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>0.5.0-preview1-28193</MicrosoftAspNetCoreServerIntegrationTestingPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreServerKestrelHttpsPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>2.1.0-preview1-28193</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.1.0-preview1-28193</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-28193</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>2.1.0-preview1-28193</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>2.1.0-preview1-28193</MicrosoftExtensionsOptionsPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.0-preview1-26122-01</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETTestSdkPackageVersion>15.3.0</MicrosoftNETTestSdkPackageVersion>
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index a474bc0e35..851bfbf203 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15679
-commithash:5347461137cb45a77ddcc0b55b2478092de43338
+version:2.1.0-preview1-1010
+commithash:75ca924dfbd673c38841025b04c4dcd93b84f56d
diff --git a/korebuild.json b/korebuild.json
index bd5d51a51b..678d8bb948 100644
--- a/korebuild.json
+++ b/korebuild.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
-  "channel": "dev"
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/release/2.1/tools/korebuild.schema.json",
+  "channel": "release/2.1"
 }