diff --git a/.appveyor.yml b/.appveyor.yml
index 119f1e7ea1..2262756c19 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -2,7 +2,7 @@ init:
 - git config --global core.autocrlf true
 branches:
   only:
-  - dev
+  - master
   - /^release\/.*$/
   - /^(.*\/)?ci-.*$/
 build_script:
diff --git a/.travis.yml b/.travis.yml
index 64bdbb4441..ab3980055c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ addons:
     - libunwind8
 branches:
   only:
-  - dev
+  - master
   - /^release\/.*$/
   - /^(.*\/)?ci-.*$/
 before_install:
diff --git a/.vsts-pipelines/builds/ci-internal.yml b/.vsts-pipelines/builds/ci-internal.yml
index dc7b8a3cb9..c2c5336fd0 100644
--- a/.vsts-pipelines/builds/ci-internal.yml
+++ b/.vsts-pipelines/builds/ci-internal.yml
@@ -7,7 +7,7 @@ resources:
   - repository: buildtools
     type: git
     name: aspnet-BuildTools
-    ref: refs/heads/release/2.2
+    ref: refs/heads/master
 
 phases:
 - template: .vsts-pipelines/templates/project-ci.yml@buildtools
diff --git a/.vsts-pipelines/builds/ci-public.yml b/.vsts-pipelines/builds/ci-public.yml
index f5087d9c30..507c89b025 100644
--- a/.vsts-pipelines/builds/ci-public.yml
+++ b/.vsts-pipelines/builds/ci-public.yml
@@ -9,7 +9,7 @@ resources:
     type: github
     endpoint: DotNet-Bot GitHub Connection
     name: aspnet/BuildTools
-    ref: refs/heads/release/2.2
+    ref: refs/heads/master
 
 phases:
 - template: .vsts-pipelines/templates/project-ci.yml@buildtools
diff --git a/benchmarkapps/Benchmarks/benchmarks.json b/benchmarkapps/Benchmarks/benchmarks.json
index 794ea8c770..a98a47fc5a 100644
--- a/benchmarkapps/Benchmarks/benchmarks.json
+++ b/benchmarkapps/Benchmarks/benchmarks.json
@@ -8,7 +8,7 @@
     },
     "Source": {
       "Repository": "https://github.com/aspnet/routing.git",
-      "BranchOrCommit": "release/2.2",
+      "BranchOrCommit": "dev",
       "Project": "benchmarkapps/Benchmarks/Benchmarks.csproj"
     },
     "Port": 8080
@@ -25,4 +25,4 @@
   "PlaintextGlobalRouting": {
     "Path": "/plaintext"
   }
-}
+}
\ No newline at end of file
diff --git a/build/dependencies.props b/build/dependencies.props
index 1596743b87..a2fec6e267 100644
--- a/build/dependencies.props
+++ b/build/dependencies.props
@@ -4,33 +4,33 @@
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
     <BenchmarkDotNetPackageVersion>0.10.13</BenchmarkDotNetPackageVersion>
-    <InternalAspNetCoreSdkPackageVersion>2.2.0-preview1-17099</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreAppPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreAppPackageVersion>
-    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
-    <MicrosoftAspNetCoreHttpPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreHttpPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreTestHostPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreTestHostPackageVersion>
-    <MicrosoftAspNetCoreTestingPackageVersion>2.2.0-preview1-34755</MicrosoftAspNetCoreTestingPackageVersion>
-    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
-    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
-    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
-    <MicrosoftExtensionsConfigurationPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsConfigurationPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
-    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsLoggingPackageVersion>
-    <MicrosoftExtensionsLoggingTestingPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsLoggingTestingPackageVersion>
-    <MicrosoftExtensionsObjectPoolPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsObjectPoolPackageVersion>
-    <MicrosoftExtensionsOptionsPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsOptionsPackageVersion>
-    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
-    <MicrosoftExtensionsWebEncodersPackageVersion>2.2.0-preview1-34755</MicrosoftExtensionsWebEncodersPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>3.0.0-alpha1-10011</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreAppPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreAppPackageVersion>
+    <MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreHttpAbstractionsPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreHttpAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHttpExtensionsPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreHttpExtensionsPackageVersion>
+    <MicrosoftAspNetCoreHttpPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreHttpPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreTestHostPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreTestHostPackageVersion>
+    <MicrosoftAspNetCoreTestingPackageVersion>3.0.0-alpha1-10123</MicrosoftAspNetCoreTestingPackageVersion>
+    <MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsCommandLineUtilsSourcesPackageVersion>
+    <MicrosoftExtensionsConfigurationCommandLinePackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsConfigurationCommandLinePackageVersion>
+    <MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsConfigurationEnvironmentVariablesPackageVersion>
+    <MicrosoftExtensionsConfigurationPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsConfigurationPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsDependencyInjectionAbstractionsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsHashCodeCombinerSourcesPackageVersion>
+    <MicrosoftExtensionsLoggingAbstractionsPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsLoggingAbstractionsPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsLoggingPackageVersion>
+    <MicrosoftExtensionsLoggingTestingPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsLoggingTestingPackageVersion>
+    <MicrosoftExtensionsObjectPoolPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsObjectPoolPackageVersion>
+    <MicrosoftExtensionsOptionsPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsOptionsPackageVersion>
+    <MicrosoftExtensionsPropertyHelperSourcesPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsPropertyHelperSourcesPackageVersion>
+    <MicrosoftExtensionsWebEncodersPackageVersion>3.0.0-alpha1-10123</MicrosoftExtensionsWebEncodersPackageVersion>
     <MicrosoftNETCoreApp20PackageVersion>2.0.9</MicrosoftNETCoreApp20PackageVersion>
     <MicrosoftNETCoreApp21PackageVersion>2.1.2</MicrosoftNETCoreApp21PackageVersion>
     <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview1-26618-02</MicrosoftNETCoreApp22PackageVersion>
diff --git a/build/repo.props b/build/repo.props
index f1fe24dd27..17a98ac7e7 100644
--- a/build/repo.props
+++ b/build/repo.props
@@ -4,7 +4,6 @@
   <PropertyGroup>
     <!-- These properties are use by the automation that updates dependencies.props -->
     <LineupPackageId>Internal.AspNetCore.Universe.Lineup</LineupPackageId>
-    <LineupPackageVersion>2.2.0-*</LineupPackageVersion>
     <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json</LineupPackageRestoreSource>
   </PropertyGroup>
 
diff --git a/korebuild-lock.txt b/korebuild-lock.txt
index 27e2e80f9a..9a67ee9c28 100644
--- a/korebuild-lock.txt
+++ b/korebuild-lock.txt
@@ -1,2 +1,2 @@
-version:2.2.0-preview1-17099
-commithash:263ed1db9866b6b419b1f5d5189a712aa218acb3
+version:3.0.0-alpha1-10011
+commithash:717c2eb1f91dafd2580c1a9b8e5064d12dd8c054
diff --git a/korebuild.json b/korebuild.json
index d217d06e3e..8a276a7f35 100644
--- a/korebuild.json
+++ b/korebuild.json
@@ -1,4 +1,4 @@
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/release/2.2/tools/korebuild.schema.json",
-  "channel": "release/2.2"
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/master/tools/korebuild.schema.json",
+  "channel": "master"
 }
diff --git a/run.ps1 b/run.ps1
index 3b27382468..34604c7175 100644
--- a/run.ps1
+++ b/run.ps1
@@ -52,8 +52,8 @@ in the file are overridden by command line parameters.
 Example config file:
 ```json
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
-  "channel": "dev",
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/master/tools/korebuild.schema.json",
+  "channel": "master",
   "toolsSource": "https://aspnetcore.blob.core.windows.net/buildtools"
 }
 ```
@@ -192,7 +192,7 @@ if (!$DotNetHome) {
         else { Join-Path $PSScriptRoot '.dotnet'}
 }
 
-if (!$Channel) { $Channel = 'dev' }
+if (!$Channel) { $Channel = 'master' }
 if (!$ToolsSource) { $ToolsSource = 'https://aspnetcore.blob.core.windows.net/buildtools' }
 
 # Execute
diff --git a/run.sh b/run.sh
index 02aac15874..61f7a53385 100755
--- a/run.sh
+++ b/run.sh
@@ -248,7 +248,7 @@ if [ -f "$config_file" ]; then
     [ ! -z "${config_tools_source:-}" ] && tools_source="$config_tools_source"
 fi
 
-[ -z "$channel" ] && channel='dev'
+[ -z "$channel" ] && channel='master'
 [ -z "$tools_source" ] && tools_source='https://aspnetcore.blob.core.windows.net/buildtools'
 
 get_korebuild
diff --git a/version.props b/version.props
index 44985cedb3..71a78cddd8 100644
--- a/version.props
+++ b/version.props
@@ -1,7 +1,7 @@
-<Project>
+<Project>
   <PropertyGroup>
-    <VersionPrefix>2.2.0</VersionPrefix>
-    <VersionSuffix>preview1</VersionSuffix>
+    <VersionPrefix>3.0.0</VersionPrefix>
+    <VersionSuffix>alpha1</VersionSuffix>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' == 'rtm' ">$(VersionPrefix)</PackageVersion>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' != 'rtm' ">$(VersionPrefix)-$(VersionSuffix)-final</PackageVersion>
     <BuildNumber Condition="'$(BuildNumber)' == ''">t000</BuildNumber>