Revert version to preview2

build/repo.props

@@ -19,7 +19,7 @@
   <PropertyGroup>
     <!-- These properties are use by the automation that updates dependencies.props -->
     <LineupPackageId>Internal.AspNetCore.Universe.Lineup</LineupPackageId>
-    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json</LineupPackageRestoreSource>
+    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-release/api/v3/index.json</LineupPackageRestoreSource>
   </PropertyGroup>
 
   <ItemGroup>

build/sources.props

@@ -6,7 +6,7 @@
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true' AND '$(AspNetUniverseBuildOffline)' != 'true' ">
       $(RestoreSources);
       https://dotnet.myget.org/F/dotnet-core/api/v3/index.json;
-      https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json;
+      https://dotnet.myget.org/F/aspnetcore-release/api/v3/index.json;
       https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json;
     </RestoreSources>
     <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true'">

korebuild.json

@@ -1,6 +1,6 @@
 {
-    "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
-    "channel": "dev",
+    "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/release/2.1/tools/korebuild.schema.json",
+    "channel": "release/2.1",
     "toolsets": {
       "visualstudio": {
         "required": ["Windows"],

version.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <VersionPrefix>2.1.0</VersionPrefix>
-    <VersionSuffix>preview3</VersionSuffix>
+    <VersionSuffix>preview2</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>