Use TargetFramework singular to avoid outer builds

Use TargetFramework instead of TargetFrameworks property whenever a projects only targets a single target framework. This avoid unnecessary outer builds and evaluations and makes the build faster.
dotnet · ViktorHofer · Feb 12, 2022 · Feb 1, 2022 · Feb 10, 2022 · Feb 12, 2022
commit 139129be42cd4695905bbbad1b72ce3e4dc8d1ad
diff --git a/src/libraries/Microsoft.CSharp/ref/Microsoft.CSharp.csproj b/src/libraries/Microsoft.CSharp/ref/Microsoft.CSharp.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/...osoft.Extensions.Logging.Abstractions/gen/Microsoft.Extensions.Logging.Generators.targets b/...osoft.Extensions.Logging.Abstractions/gen/Microsoft.Extensions.Logging.Generators.targets
@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <AssemblyName>$(MSBuildThisFileName)</AssemblyName>
     <RootNamespace>$(MSBuildThisFileName)</RootNamespace>
     <StringResourcesClassName>SR</StringResourcesClassName>

diff --git a/src/libraries/Microsoft.VisualBasic.Core/ref/Microsoft.VisualBasic.Core.csproj b/src/libraries/Microsoft.VisualBasic.Core/ref/Microsoft.VisualBasic.Core.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/Microsoft.Win32.Primitives/ref/Microsoft.Win32.Primitives.csproj b/src/libraries/Microsoft.Win32.Primitives/ref/Microsoft.Win32.Primitives.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/Microsoft.Win32.Primitives/src/Microsoft.Win32.Primitives.csproj b/src/libraries/Microsoft.Win32.Primitives/src/Microsoft.Win32.Primitives.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/Microsoft.Win32.Registry/ref/Microsoft.Win32.Registry.csproj b/src/libraries/Microsoft.Win32.Registry/ref/Microsoft.Win32.Registry.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/Microsoft.XmlSerializer.Generator/src/Microsoft.XmlSerializer.Generator.csproj b/src/libraries/Microsoft.XmlSerializer.Generator/src/Microsoft.XmlSerializer.Generator.csproj
@@ -5,7 +5,7 @@
     <StringResourcesPath>..\..\System.Private.Xml\src\Resources\Strings.resx</StringResourcesPath>
     <StringResourcesName>FxResources.$(AssemblyName.Replace('-', '_')).SR</StringResourcesName>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <EnableSingleFileAnalyzer>false</EnableSingleFileAnalyzer>
     <IsPackable>true</IsPackable>
     <PackageId>$(MSBuildProjectName)</PackageId>

diff --git a/src/libraries/System.AppContext/ref/System.AppContext.csproj b/src/libraries/System.AppContext/ref/System.AppContext.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.AppContext/src/System.AppContext.csproj b/src/libraries/System.AppContext/src/System.AppContext.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Buffers/ref/System.Buffers.csproj b/src/libraries/System.Buffers/ref/System.Buffers.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Buffers/src/System.Buffers.csproj b/src/libraries/System.Buffers/src/System.Buffers.csproj
@@ -3,7 +3,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
     <ExcludeResourcesImport>true</ExcludeResourcesImport>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Collections.Concurrent/ref/System.Collections.Concurrent.csproj b/src/libraries/System.Collections.Concurrent/ref/System.Collections.Concurrent.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Collections.Concurrent/src/System.Collections.Concurrent.csproj b/src/libraries/System.Collections.Concurrent/src/System.Collections.Concurrent.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
     <Nullable>enable</Nullable>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="System\ThrowHelper.cs" />

diff --git a/src/libraries/System.Collections.NonGeneric/ref/System.Collections.NonGeneric.csproj b/src/libraries/System.Collections.NonGeneric/ref/System.Collections.NonGeneric.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <NoWarn>$(NoWarn);0618</NoWarn>
     <Nullable>enable</Nullable>
   </PropertyGroup>

diff --git a/src/libraries/System.Collections.NonGeneric/src/System.Collections.NonGeneric.csproj b/src/libraries/System.Collections.NonGeneric/src/System.Collections.NonGeneric.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Collections.Specialized/ref/System.Collections.Specialized.csproj b/src/libraries/System.Collections.Specialized/ref/System.Collections.Specialized.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Collections.Specialized/src/System.Collections.Specialized.csproj b/src/libraries/System.Collections.Specialized/src/System.Collections.Specialized.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Collections/ref/System.Collections.csproj b/src/libraries/System.Collections/ref/System.Collections.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Collections/src/System.Collections.csproj b/src/libraries/System.Collections/src/System.Collections.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.ComponentModel.Annotations/ref/System.ComponentModel.Annotations.csproj b/src/libraries/System.ComponentModel.Annotations/ref/System.ComponentModel.Annotations.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.ComponentModel.Annotations/src/System.ComponentModel.Annotations.csproj b/src/libraries/System.ComponentModel.Annotations/src/System.ComponentModel.Annotations.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
     <!--
       Since many resource strings in this library are shown to an end-user,

diff --git a/...es/System.ComponentModel.EventBasedAsync/ref/System.ComponentModel.EventBasedAsync.csproj b/...es/System.ComponentModel.EventBasedAsync/ref/System.ComponentModel.EventBasedAsync.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/...es/System.ComponentModel.EventBasedAsync/src/System.ComponentModel.EventBasedAsync.csproj b/...es/System.ComponentModel.EventBasedAsync/src/System.ComponentModel.EventBasedAsync.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.ComponentModel.Primitives/ref/System.ComponentModel.Primitives.csproj b/src/libraries/System.ComponentModel.Primitives/ref/System.ComponentModel.Primitives.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.ComponentModel.Primitives/src/System.ComponentModel.Primitives.csproj b/src/libraries/System.ComponentModel.Primitives/src/System.ComponentModel.Primitives.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <!--
       Since many resource strings in this library are shown to an end-user,
       always generate default resource string values which will be used when UseSystemResourceKeys is true in trimmed apps.

diff --git a/...raries/System.ComponentModel.TypeConverter/ref/System.ComponentModel.TypeConverter.csproj b/...raries/System.ComponentModel.TypeConverter/ref/System.ComponentModel.TypeConverter.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/...raries/System.ComponentModel.TypeConverter/src/System.ComponentModel.TypeConverter.csproj b/...raries/System.ComponentModel.TypeConverter/src/System.ComponentModel.TypeConverter.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.ComponentModel/ref/System.ComponentModel.csproj b/src/libraries/System.ComponentModel/ref/System.ComponentModel.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.ComponentModel/src/System.ComponentModel.csproj b/src/libraries/System.ComponentModel/src/System.ComponentModel.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Console/ref/System.Console.csproj b/src/libraries/System.Console/ref/System.Console.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Data.Common/ref/System.Data.Common.csproj b/src/libraries/System.Data.Common/ref/System.Data.Common.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <NoWarn>$(NoWarn);0618</NoWarn>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Data.Common/src/System.Data.Common.csproj b/src/libraries/System.Data.Common/src/System.Data.Common.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Data.DataSetExtensions/ref/System.Data.DataSetExtensions.csproj b/src/libraries/System.Data.DataSetExtensions/ref/System.Data.DataSetExtensions.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Data.DataSetExtensions/src/System.Data.DataSetExtensions.csproj b/src/libraries/System.Data.DataSetExtensions/src/System.Data.DataSetExtensions.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
     <Nullable>enable</Nullable>
   </PropertyGroup>

diff --git a/src/libraries/System.Diagnostics.Contracts/ref/System.Diagnostics.Contracts.csproj b/src/libraries/System.Diagnostics.Contracts/ref/System.Diagnostics.Contracts.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.Contracts/src/System.Diagnostics.Contracts.csproj b/src/libraries/System.Diagnostics.Contracts/src/System.Diagnostics.Contracts.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.Debug/ref/System.Diagnostics.Debug.csproj b/src/libraries/System.Diagnostics.Debug/ref/System.Diagnostics.Debug.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.Debug/src/System.Diagnostics.Debug.csproj b/src/libraries/System.Diagnostics.Debug/src/System.Diagnostics.Debug.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/...ries/System.Diagnostics.EventLog/src/Messages/System.Diagnostics.EventLog.Messages.csproj b/...ries/System.Diagnostics.EventLog/src/Messages/System.Diagnostics.EventLog.Messages.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0</TargetFrameworks>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <Win32Resource>EventLogMessages.res</Win32Resource>
     <!-- Override the parent Directory.Build.props -->
     <SupportedOSPlatforms />

diff --git a/...ibraries/System.Diagnostics.FileVersionInfo/ref/System.Diagnostics.FileVersionInfo.csproj b/...ibraries/System.Diagnostics.FileVersionInfo/ref/System.Diagnostics.FileVersionInfo.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.csproj b/src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.StackTrace/ref/System.Diagnostics.StackTrace.csproj b/src/libraries/System.Diagnostics.StackTrace/ref/System.Diagnostics.StackTrace.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.StackTrace/src/System.Diagnostics.StackTrace.csproj b/src/libraries/System.Diagnostics.StackTrace/src/System.Diagnostics.StackTrace.csproj
@@ -3,7 +3,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
     <Nullable>enable</Nullable>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="System\Diagnostics\StackTraceSymbols.cs" />

diff --git a/...Diagnostics.TextWriterTraceListener/ref/System.Diagnostics.TextWriterTraceListener.csproj b/...Diagnostics.TextWriterTraceListener/ref/System.Diagnostics.TextWriterTraceListener.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/...Diagnostics.TextWriterTraceListener/src/System.Diagnostics.TextWriterTraceListener.csproj b/...Diagnostics.TextWriterTraceListener/src/System.Diagnostics.TextWriterTraceListener.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.Tools/ref/System.Diagnostics.Tools.csproj b/src/libraries/System.Diagnostics.Tools/ref/System.Diagnostics.Tools.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.Tools/src/System.Diagnostics.Tools.csproj b/src/libraries/System.Diagnostics.Tools/src/System.Diagnostics.Tools.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <IsPartialFacadeAssembly>true</IsPartialFacadeAssembly>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/libraries/System.Diagnostics.TraceSource/ref/System.Diagnostics.TraceSource.csproj b/src/libraries/System.Diagnostics.TraceSource/ref/System.Diagnostics.TraceSource.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>