update build

Rx.NET/Source/Directory.build.props

@@ -20,7 +20,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="MSBuild.Sdk.Extras" Version="1.0.2" PrivateAssets="All" />
+    <PackageReference Include="MSBuild.Sdk.Extras" Version="1.0.6" PrivateAssets="All" />
   </ItemGroup>
   
   <ItemGroup Condition="'$(IsTestProject)' != 'true' and '$(SourceLinkEnabled)' != 'false'">

Rx.NET/Source/build-new.ps1

@@ -63,20 +63,20 @@ if ($LastExitCode -ne 0) {
 
 
 Write-Host "Building Packages" -Foreground Green
-msbuild "$scriptPath\src\System.Reactive\System.Reactive.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true /p:NuGetBuildTasksPackTargets="workaround"
+msbuild "$scriptPath\src\System.Reactive\System.Reactive.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 msbuild "$scriptPath\src\Microsoft.Reactive.Testing\Microsoft.Reactive.Testing.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 msbuild "$scriptPath\src\System.Reactive.Observable.Aliases\System.Reactive.Observable.Aliases.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 
-msbuild "$scriptPath\facades\System.Reactive.Core\System.Reactive.Core.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true /p:NuGetBuildTasksPackTargets="workaround"
+msbuild "$scriptPath\facades\System.Reactive.Core\System.Reactive.Core.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 msbuild "$scriptPath\facades\System.Reactive.Experimental\System.Reactive.Experimental.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true 
 msbuild "$scriptPath\facades\System.Reactive.Interfaces\System.Reactive.Interfaces.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true 
 msbuild "$scriptPath\facades\System.Reactive.Linq\System.Reactive.Linq.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true 
-msbuild "$scriptPath\facades\System.Reactive.PlatformServices\System.Reactive.PlatformServices.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true /p:NuGetBuildTasksPackTargets="workaround"
+msbuild "$scriptPath\facades\System.Reactive.PlatformServices\System.Reactive.PlatformServices.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 msbuild "$scriptPath\facades\System.Reactive.Providers\System.Reactive.Providers.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true 
 msbuild "$scriptPath\facades\System.Reactive.Runtime.Remoting\System.Reactive.Runtime.Remoting.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true 
 msbuild "$scriptPath\facades\System.Reactive.Windows.Forms\System.Reactive.Windows.Forms.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
-msbuild "$scriptPath\facades\System.Reactive.Windows.Threading\System.Reactive.Windows.Threading.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true /p:NuGetBuildTasksPackTargets="workaround"
-msbuild "$scriptPath\facades\System.Reactive.WindowsRuntime\System.Reactive.WindowsRuntime.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true /p:NuGetBuildTasksPackTargets="workaround"
+msbuild "$scriptPath\facades\System.Reactive.Windows.Threading\System.Reactive.Windows.Threading.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
+msbuild "$scriptPath\facades\System.Reactive.WindowsRuntime\System.Reactive.WindowsRuntime.csproj" /t:pack /p:Configuration=$configuration /p:PackageOutputPath=$artifacts /p:NoPackageAnalysis=true
 
 .\nuget.exe pack "$scriptPath\facades\System.Reactive.Compatibility.nuspec" -Version $packageSemVer -MinClientVersion 2.12 -nopackageanalysis -outputdirectory "$artifacts" 
 

Rx.NET/Source/version.json

@@ -1,5 +1,5 @@
 {
-  "version": "4.0.0-preview.{height}",
+  "version": "4.0.0-preview.2.{height}",
   "publicReleaseRefSpec": [
     "^refs/heads/master$", // we release out of master
     "^refs/heads/develop$", // we release out of develop