Change tool TFMs to net6.0 and drop 3.1 hosting support

eng/AuxMsbuildFiles/SdkPackOverrides.targets

@@ -14,13 +14,6 @@
       <KnownRuntimePack>
         <LatestRuntimeFrameworkVersion Condition="'%(TargetFramework)' == 'net6.0'">$(MicrosoftNETCoreApp60Version)</LatestRuntimeFrameworkVersion>
       </KnownRuntimePack>
-
-      <KnownFrameworkReference>
-        <LatestRuntimeFrameworkVersion Condition="'%(TargetFramework)' == 'netcoreapp3.1'">$(MicrosoftNETCoreApp31Version)</LatestRuntimeFrameworkVersion>
-      </KnownFrameworkReference>
-      <KnownAppHostPack>
-        <AppHostPackVersion Condition="'%(TargetFramework)' == 'netcoreapp3.1'">$(MicrosoftNETCoreApp31Version)</AppHostPackVersion>
-      </KnownAppHostPack>
     </ItemGroup>
   </Target>
 </Project>

eng/Build-Native.cmd

@@ -179,7 +179,7 @@ if /i %__BuildCrossArch% EQU 1 (
 
     echo Generating Version Header
     set __GenerateVersionLog="%__LogDir%\GenerateVersion.binlog"
-    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" "%__ProjectDir%\eng\CreateVersionFile.csproj" /bl:!__GenerateVersionLog! /t:GenerateVersionFiles /restore /p:FileVersionFile=%__RootBinDir%\bin\FileVersion.txt /p:GenerateVersionHeader=true /p:NativeVersionHeaderFile=%__ArtifactsIntermediatesDir%\_version.h %__CommonBuildArgs%
+    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" "%__ProjectDir%\eng\CreateVersionFile.proj" /bl:!__GenerateVersionLog! /t:GenerateVersionFiles /restore /p:FileVersionFile=%__RootBinDir%\bin\FileVersion.txt /p:GenerateVersionHeader=true /p:NativeVersionHeaderFile=%__ArtifactsIntermediatesDir%\_version.h %__CommonBuildArgs%
     if not !errorlevel! == 0 (
         echo Generate Version Header FAILED
         goto ExitWithError
@@ -253,7 +253,7 @@ if %__Build% EQU 1 (
 
     echo Generating Version Header
     set __GenerateVersionLog="%__LogDir%\GenerateVersion.binlog"
-    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" "%__ProjectDir%\eng\CreateVersionFile.csproj" /bl:!__GenerateVersionLog! /t:GenerateVersionFiles /restore /p:FileVersionFile=%__RootBinDir%\bin\FileVersion.txt /p:GenerateVersionHeader=true /p:NativeVersionHeaderFile=%__ArtifactsIntermediatesDir%\_version.h %__CommonBuildArgs%
+    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" "%__ProjectDir%\eng\CreateVersionFile.proj" /bl:!__GenerateVersionLog! /t:GenerateVersionFiles /restore /p:FileVersionFile=%__RootBinDir%\bin\FileVersion.txt /p:GenerateVersionHeader=true /p:NativeVersionHeaderFile=%__ArtifactsIntermediatesDir%\_version.h %__CommonBuildArgs%
     if not !errorlevel! == 0 (
         echo Generate Version Header FAILED
         goto ExitWithError
@@ -296,8 +296,9 @@ if %__Build% EQU 1 (
 
 REM Copy the native SOS binaries to where these tools expect for CI & VS testing
 
-set "__dotnet_sos=%__RootBinDir%\bin\dotnet-sos\%__BuildType%\netcoreapp3.1"
-set "__dotnet_dump=%__RootBinDir%\bin\dotnet-dump\%__BuildType%\netcoreapp3.1"
+set "__targetRid=net6.0"
+set "__dotnet_sos=%__RootBinDir%\bin\dotnet-sos\%__BuildType%\%__targetRid%"
+set "__dotnet_dump=%__RootBinDir%\bin\dotnet-dump\%__BuildType%\%__targetRid%"
 mkdir %__dotnet_sos%\win-%__BuildArch%
 mkdir %__dotnet_sos%\publish\win-%__BuildArch%
 mkdir %__dotnet_dump%\win-%__BuildArch%

eng/CleanupPrivateBuild.proj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.Build.NoTargets">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    <SkipGetTargetFrameworkProperties>false</SkipGetTargetFrameworkProperties>
+  </PropertyGroup> 
+
+  <Import Project="$(RepositoryEngineeringDir)\InstallRuntimes.proj" />
+</Project>

eng/CreateVersionFile.csproj → eng/CreateVersionFile.proj

@@ -1,8 +1,10 @@
 <!-- All Rights Reserved. Licensed to the .NET Foundation under one or more agreements. The .NET Foundation licenses this file to you under the MIT license. See the LICENSE file in the project root for more information. -->
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.Build.NoTargets">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-  </PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    <SkipGetTargetFrameworkProperties>false</SkipGetTargetFrameworkProperties>
+  </PropertyGroup>  
 
   <Target Name="GenerateVersionFiles" DependsOnTargets="GenerateVersionHeader;GenerateVersionSourceFile" />
 

eng/InstallRuntimes.proj

@@ -22,7 +22,6 @@
      $(MicrosoftAspNetCoreAppRefVersion)                        - latest dotnet aspnetcore stable version (the version that actually is installed)
 
      $(MicrosoftNETCoreApp60Version) $(MicrosoftAspNetCoreApp60Version) - 6.0 version
-     $(MicrosoftNETCoreApp31Version) $(MicrosoftAspNetCoreApp31Version) - 3.1 version
 
      $(SingleFileRuntimeLatestVersion)  - The latest version of the runtime used to build single-file apps
      $(SingleFileRuntime60Version)      - The 6.0.x version of the runtime used to build single-file apps
@@ -86,7 +85,6 @@
   <ItemGroup Condition="!$(InternalReleaseTesting) and !$(PrivateBuildTesting)">
     <TestVersions Include="Latest" RuntimeVersion="$(VSRedistCommonNetCoreSharedFrameworkx6470Version)" AspNetVersion="$(MicrosoftAspNetCoreAppRefInternalVersion)" />
     <TestVersions Include="60" RuntimeVersion="$(MicrosoftNETCoreApp60Version)" AspNetVersion="$(MicrosoftAspNetCoreApp60Version)" />
-    <TestVersions Include="31" RuntimeVersion="$(MicrosoftNETCoreApp31Version)" AspNetVersion="$(MicrosoftAspNetCoreApp31Version)" Condition="$(Enable31Testing)" />
   </ItemGroup>
 
   <!-- Local private build testing -->
@@ -153,11 +151,9 @@
           Outputs="$(TestConfigFileName)">
 
     <PropertyGroup Condition="'$(PrivateBuildTesting)' != 'true' AND '$(InternalReleaseTesting)' != 'true'">
-      <RuntimeVersion31 Condition="$(Enable31Testing)">$(MicrosoftNETCoreApp31Version)</RuntimeVersion31>
-      <AspNetCoreVersion31 Condition="$(Enable31Testing)">$(MicrosoftAspNetCoreApp31Version)</AspNetCoreVersion31>
-
       <RuntimeVersion60>$(MicrosoftNETCoreApp60Version)</RuntimeVersion60>
       <AspNetCoreVersion60>$(MicrosoftAspNetCoreApp60Version)</AspNetCoreVersion60>
+      <!-- TODO: Add others -->
     </PropertyGroup>
 
     <PropertyGroup>

eng/Versions.props

@@ -28,8 +28,6 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Runtime versions to test -->
-    <MicrosoftNETCoreApp31Version>3.1.28</MicrosoftNETCoreApp31Version>
-    <MicrosoftAspNetCoreApp31Version>$(MicrosoftNETCoreApp31Version)</MicrosoftAspNetCoreApp31Version>
     <MicrosoftNETCoreApp60Version>6.0.8</MicrosoftNETCoreApp60Version>
     <MicrosoftAspNetCoreApp60Version>$(MicrosoftNETCoreApp60Version)</MicrosoftAspNetCoreApp60Version>
     <!-- The SDK runtime version used to build single-file apps (currently hardcoded) -->

eng/build.ps1

@@ -53,7 +53,7 @@ if ($bundletools) {
 
 # Remove the private build registry keys
 if ($cleanupprivatebuild) {
-    Invoke-Expression "& `"$engroot\common\msbuild.ps1`" $engroot\CleanupPrivateBuild.csproj /v:$verbosity /t:CleanupPrivateBuild /p:BuildArch=$architecture /p:TestArchitectures=$architecture"
+    Invoke-Expression "& `"$engroot\common\msbuild.ps1`" $engroot\CleanupPrivateBuild.proj /v:$verbosity /t:CleanupPrivateBuild /p:BuildArch=$architecture /p:TestArchitectures=$architecture"
     exit $lastExitCode
 }
 

eng/build.sh

@@ -202,7 +202,7 @@ if [[ "$__NativeBuild" == 1 ]]; then
     __GenerateVersionLog="$__LogsDir/GenerateVersion.binlog"
 
     "$__RepoRootDir/eng/common/msbuild.sh" \
-        $__RepoRootDir/eng/CreateVersionFile.csproj \
+        $__RepoRootDir/eng/CreateVersionFile.proj \
         /bl:$__GenerateVersionLog \
         /t:GenerateVersionFiles \
         /restore \
@@ -230,8 +230,9 @@ fi
 #
 
 if [[ "$__NativeBuild" == 1 || "$__Test" == 1 ]]; then
-    __dotnet_sos=$__RootBinDir/bin/dotnet-sos/$__BuildType/netcoreapp3.1/publish/$__DistroRid
-    __dotnet_dump=$__RootBinDir/bin/dotnet-dump/$__BuildType/netcoreapp3.1/publish/$__DistroRid
+    __targetRid=net6.0
+    __dotnet_sos=$__RootBinDir/bin/dotnet-sos/$__BuildType/$__targetRid/publish/$__DistroRid
+    __dotnet_dump=$__RootBinDir/bin/dotnet-dump/$__BuildType/$__targetRid/publish/$__DistroRid
 
     mkdir -p "$__dotnet_sos"
     mkdir -p "$__dotnet_dump"

global.json

@@ -1,14 +1,12 @@
 {
   "tools": {
-    "dotnet": "7.0.100",
+    "dotnet": "7.0.101",
     "runtimes": {
       "dotnet/x64": [
-        "$(MicrosoftNETCoreApp31Version)",
         "$(MicrosoftNETCoreApp60Version)",
         "$(VSRedistCommonNetCoreSharedFrameworkx6470Version)"
       ],
       "dotnet/x86": [
-        "$(MicrosoftNETCoreApp31Version)",
         "$(MicrosoftNETCoreApp60Version)",
         "$(VSRedistCommonNetCoreSharedFrameworkx6470Version)"
       ],

src/Microsoft.Diagnostics.NETCore.Client/Microsoft.Diagnostics.NETCore.Client.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>netstandard2.0;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netcoreapp6.0</TargetFrameworks>
     <RootNamespace>Microsoft.Diagnostics.NETCore.Client</RootNamespace>
     <Description>.NET Core Diagnostics Client Library</Description>
     <VersionPrefix>0.2.0</VersionPrefix>

src/Microsoft.Diagnostics.TestHelpers/AcquireDotNetTestStep.cs

@@ -5,7 +5,7 @@
 using System;
 using System.IO;
 using System.IO.Compression;
-using System.Net;
+using System.Net.Http;
 using System.Threading.Tasks;
 using Xunit.Abstractions;
 
@@ -133,28 +133,17 @@ async protected override Task DoWork(ITestOutputHelper output)
         async static Task DownloadFile(string remotePath, string localPath, ITestOutputHelper output)
         {
             output.WriteLine("Downloading: " + remotePath + " -> " + localPath);
+            using HttpClient client = new ();
+            using HttpResponseMessage response = await client.GetAsync(remotePath);
+            response.EnsureSuccessStatusCode();
+            using Stream stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
             Directory.CreateDirectory(Path.GetDirectoryName(localPath));
-            WebRequest request = HttpWebRequest.Create(remotePath);
-            WebResponse response = await request.GetResponseAsync();
-            using (FileStream localZipStream = File.OpenWrite(localPath))
-            {
-                // TODO: restore the CopyToAsync code after System.Net.Http.dll is 
-                // updated to a newer version. The current old version has a bug 
-                // where the copy never finished.
-                // await response.GetResponseStream().CopyToAsync(localZipStream);
-                byte[] buffer = new byte[16 * 1024];
-                long bytesLeft = response.ContentLength;
-
-                while (bytesLeft > 0)
-                {
-                    int read = response.GetResponseStream().Read(buffer, 0, buffer.Length);
-                    if (read == 0)
-                        break;
-                    localZipStream.Write(buffer, 0, read);
-                    bytesLeft -= read;
-                }
-                output.WriteLine("Downloading finished");
-            }
+            using FileStream localZipStream = File.OpenWrite(localPath);
+            // TODO: restore the CopyToAsync code after System.Net.Http.dll is 
+            // updated to a newer version. The current old version has a bug 
+            // where the copy never finished.
+            await stream.CopyToAsync(localZipStream);
+            output.WriteLine("Downloading finished");
         }
 
         async static Task UnGZip(string gzipPath, string expandedFilePath, ITestOutputHelper output)

src/Microsoft.Diagnostics.TestHelpers/CliDebuggeeCompiler.cs

@@ -52,7 +52,7 @@ private static Dictionary<string,string> GetBuildProperties(TestConfiguration co
 
         protected override string GetFramework(TestConfiguration config)
         {
-            return config.BuildProjectFramework ?? "netcoreapp3.1";
+            return config.BuildProjectFramework ?? "net6.0";
         }
 
         protected override string GetDebuggeeBinaryDirPath(string debuggeeProjectDirPath, string framework, string runtime)

src/Microsoft.Diagnostics.TestHelpers/Microsoft.Diagnostics.TestHelpers.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <NoWarn>;1591;1701</NoWarn>
     <IsTestProject>false</IsTestProject>

src/SOS/SOS.UnitTests/ConfigFiles/Unix/Debugger.Tests.Config.txt

@@ -27,7 +27,6 @@
   <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '7')">net7.0</BuildProjectFrameworkLatest>
   <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '5')">net5.0</BuildProjectFrameworkLatest>
   <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '6')">net6.0</BuildProjectFrameworkLatest>
-  <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '3.1')">netcoreapp3.1</BuildProjectFrameworkLatest>
 
   <DebuggeeSourceRoot>$(RepoRootDir)/src/SOS/SOS.UnitTests/Debuggees</DebuggeeSourceRoot>
   <DebuggeeMsbuildAuxRoot>$(RepoRootDir)/eng/AuxMsbuildFiles</DebuggeeMsbuildAuxRoot>
@@ -80,11 +79,6 @@
       <BuildProjectFramework>net6.0</BuildProjectFramework>
       <RuntimeFrameworkVersion>$(RuntimeVersion60)</RuntimeFrameworkVersion>
     </Option>
-    <Option Condition="'$(RuntimeVersion31)' != ''">
-      <BuildProjectFramework>netcoreapp3.1</BuildProjectFramework>
-      <RuntimeFrameworkVersion>$(RuntimeVersion31)</RuntimeFrameworkVersion>
-      <SetHostRuntime>$(DotNetRoot)/shared/Microsoft.NETCore.App/$(RuntimeFrameworkVersion)</SetHostRuntime>
-    </Option>
     <!--
         SOS.StackAndOtherTests (cli because tested with embedded, portable PDBs and single-file)
       -->
@@ -117,10 +111,6 @@
           <BuildProjectFramework>net6.0</BuildProjectFramework>
           <RuntimeFrameworkVersion>$(RuntimeVersion60)</RuntimeFrameworkVersion>
         </Option>
-        <Option Condition="'$(RuntimeVersion31)' != ''">
-          <BuildProjectFramework>netcoreapp3.1</BuildProjectFramework>
-          <RuntimeFrameworkVersion>$(RuntimeVersion31)</RuntimeFrameworkVersion>
-        </Option>
       </Options>
     </Option>
     <!--
@@ -138,11 +128,6 @@
           <RuntimeFrameworkVersion>$(RuntimeVersion60)</RuntimeFrameworkVersion>
           <FrameworkVersion>$(AspNetCoreVersion60)</FrameworkVersion>
         </Option>
-        <Option Condition="'$(AspNetCoreVersion31)' != ''">
-          <BuildProjectFramework>netcoreapp3.1</BuildProjectFramework>
-          <RuntimeFrameworkVersion>$(RuntimeVersion31)</RuntimeFrameworkVersion>
-          <FrameworkVersion>$(AspNetCoreVersion31)</FrameworkVersion>
-        </Option>
       </Options>
     </Option>
   </Options>
@@ -165,7 +150,7 @@
   </Options>
 
   <DotNetDumpHost>$(DotNetRoot)/dotnet</DotNetDumpHost>
-  <DotNetDumpPath>$(RootBinDir)/bin/dotnet-dump/$(TargetConfiguration)/netcoreapp3.1/publish/dotnet-dump.dll</DotNetDumpPath>
+  <DotNetDumpPath>$(RootBinDir)/bin/dotnet-dump/$(TargetConfiguration)/net6.0/publish/dotnet-dump.dll</DotNetDumpPath>
   <DebuggeeDumpOutputRootDir>$(DumpDir)/$(TestProduct)/$(RuntimeFrameworkVersion)/$(BuildProjectFramework)</DebuggeeDumpOutputRootDir>
   <DebuggeeDumpInputRootDir>$(DebuggeeDumpOutputRootDir)</DebuggeeDumpInputRootDir>
 

src/SOS/SOS.UnitTests/ConfigFiles/Windows/Debugger.Tests.Config.txt

@@ -33,7 +33,6 @@
   <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '7')">net7.0</BuildProjectFrameworkLatest>
   <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '6')">net6.0</BuildProjectFrameworkLatest>
   <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '5')">net5.0</BuildProjectFrameworkLatest>
-  <BuildProjectFrameworkLatest Condition="StartsWith('$(RuntimeVersionLatest)', '3.1')">netcoreapp3.1</BuildProjectFrameworkLatest>
 
   <DesktopFrameworkPath Condition="$(TargetArchitecture) == x64">$(WinDir)\Microsoft.Net\Framework64\v4.0.30319\</DesktopFrameworkPath>
   <DesktopFrameworkPath Condition="$(TargetArchitecture) != x64">$(WinDir)\Microsoft.Net\Framework\v4.0.30319\</DesktopFrameworkPath>
@@ -96,11 +95,6 @@
           <BuildProjectFramework>net6.0</BuildProjectFramework>
           <RuntimeFrameworkVersion>$(RuntimeVersion60)</RuntimeFrameworkVersion>
         </Option>
-        <Option Condition="'$(RuntimeVersion31)' != ''">
-          <BuildProjectFramework>netcoreapp3.1</BuildProjectFramework>
-          <RuntimeFrameworkVersion>$(RuntimeVersion31)</RuntimeFrameworkVersion>
-          <SetHostRuntime>$(DotNetRoot)/shared/Microsoft.NETCore.App/$(RuntimeFrameworkVersion)</SetHostRuntime>
-        </Option>
         <!--
             SOS.StackAndOtherTests (cli because tested with full, embedded and portable PDBs)
           -->
@@ -133,10 +127,6 @@
               <BuildProjectFramework>net6.0</BuildProjectFramework>
               <RuntimeFrameworkVersion>$(RuntimeVersion60)</RuntimeFrameworkVersion>
             </Option>
-            <Option Condition="'$(RuntimeVersion31)' != ''">
-              <BuildProjectFramework>netcoreapp3.1</BuildProjectFramework>
-              <RuntimeFrameworkVersion>$(RuntimeVersion31)</RuntimeFrameworkVersion>
-            </Option>
           </Options>
         </Option>
         <!--
@@ -173,11 +163,6 @@
               <RuntimeFrameworkVersion>$(RuntimeVersion60)</RuntimeFrameworkVersion>
               <FrameworkVersion>$(AspNetCoreVersion60)</FrameworkVersion>
             </Option>
-            <Option Condition="'$(AspNetCoreVersion31)' != ''">
-              <BuildProjectFramework>netcoreapp3.1</BuildProjectFramework>
-              <RuntimeFrameworkVersion>$(RuntimeVersion31)</RuntimeFrameworkVersion>
-              <FrameworkVersion>$(AspNetCoreVersion31)</FrameworkVersion>
-            </Option>
           </Options>
         </Option>
       </Options>
@@ -216,7 +201,7 @@
 
   <SOSPath>$(InstallDir)\sos.dll</SOSPath>
   <DotNetDumpHost>$(DotNetRoot)\dotnet.exe</DotNetDumpHost>
-  <DotNetDumpPath>$(RootBinDir)\bin\dotnet-dump\$(TargetConfiguration)\netcoreapp3.1\publish\dotnet-dump.dll</DotNetDumpPath>
+  <DotNetDumpPath>$(RootBinDir)\bin\dotnet-dump\$(TargetConfiguration)\net6.0\publish\dotnet-dump.dll</DotNetDumpPath>
   <DebuggeeDumpOutputRootDir>$(DumpDir)\$(TestProduct)\$(RuntimeFrameworkVersion)\$(BuildProjectFramework)</DebuggeeDumpOutputRootDir>
   <DebuggeeDumpInputRootDir>$(DebuggeeDumpOutputRootDir)</DebuggeeDumpInputRootDir>
 </Configuration>

src/SOS/SOS.UnitTests/Debuggees/DesktopClrHost/CMakeLists.txt

@@ -32,6 +32,5 @@ add_library_clr(DesktopClrHost SHARED ${DESKTOPCLRHOST_SOURCES})
 
 target_link_libraries(DesktopClrHost ${DESKTOPCLRHOST_LIBRARY})
 
-install(TARGETS DesktopClrHost DESTINATION ${CLR_MANAGED_BINARY_DIR}/WebApp3/${CLR_BUILD_TYPE}/netcoreapp3.1)
 install(TARGETS DesktopClrHost DESTINATION ${CLR_MANAGED_BINARY_DIR}/WebApp3/${CLR_BUILD_TYPE}/net6.0)
 install(TARGETS DesktopClrHost DESTINATION ${CLR_MANAGED_BINARY_DIR}/WebApp3/${CLR_BUILD_TYPE}/net7.0)

src/SOS/SOS.UnitTests/Debuggees/Directory.Build.props

@@ -6,6 +6,6 @@
     <DebugType Condition="'$(TargetFramework)' == 'net462'">full</DebugType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <Optimize>false</Optimize>
-    <BuildTargetFrameworks>netcoreapp3.1;net6.0;net7.0</BuildTargetFrameworks>
+    <BuildTargetFrameworks>net6.0;net7.0</BuildTargetFrameworks>
   </PropertyGroup>
 </Project>