diff --git a/build/build.proj b/build/build.proj
index 40ef012b6..d2911509c 100644
--- a/build/build.proj
+++ b/build/build.proj
@@ -8,86 +8,37 @@
 		<MSBuildTasksPackageId>MSBuildTasks</MSBuildTasksPackageId>
 		<MSBuildTasksPackageVersion>1.5.0.214</MSBuildTasksPackageVersion>
 	</PropertyGroup>
-	
-	<ItemGroup>
-		<VisualStudioVersionClassic Include="2012">
-			<SolutionFile>$(MSBuildThisFileDirectory)..\src\Renci.SshNet.VS2012.sln</SolutionFile>
-			<ToolsVersion>14.0</ToolsVersion>
-			<VisualStudioVersion>14.0</VisualStudioVersion>
-		</VisualStudioVersionClassic>
-		<VisualStudioVersionClassic Include="2015">
-			<SolutionFile>$(MSBuildThisFileDirectory)..\src\Renci.SshNet.VS2015.sln</SolutionFile>
-			<ToolsVersion>14.0</ToolsVersion>
-			<VisualStudioVersion>14.0</VisualStudioVersion>
-		</VisualStudioVersionClassic>
-	</ItemGroup>
-	
-	<ItemGroup>
-		<VisualStudioVersionModern Include="2019">
-			<SolutionFile>$(MSBuildThisFileDirectory)..\src\Renci.SshNet.VS2019.sln</SolutionFile>
-			<VisualStudioVersion>16.0</VisualStudioVersion>
-		</VisualStudioVersionModern>
-	</ItemGroup>
 
 	<ItemGroup>
-		<TargetFrameworkClassic Include="Windows Phone Silverlight 7.1">
-			<OutputDirectory>Renci.SshNet.WindowsPhone\bin\$(Configuration)</OutputDirectory>
-			<Moniker>wp71</Moniker>
-		</TargetFrameworkClassic>
-		<TargetFrameworkClassic Include="Windows Phone Silverlight 8.0">
-			<OutputDirectory>Renci.SshNet.WindowsPhone8\bin\$(Configuration)</OutputDirectory>
-			<Moniker>wp8</Moniker>
-		</TargetFrameworkClassic>
-		<TargetFrameworkClassic Include="Silverlight 4">
-			<OutputDirectory>Renci.SshNet.Silverlight\bin\$(Configuration)</OutputDirectory>
-			<Moniker>sl4</Moniker>
-		</TargetFrameworkClassic>
-		<TargetFrameworkClassic Include="Silverlight 5">
-			<OutputDirectory>Renci.SshNet.Silverlight5\bin\$(Configuration)</OutputDirectory>
-			<Moniker>sl5</Moniker>
-		</TargetFrameworkClassic>
-		<TargetFrameworkClassic Include="Universal Windows Platform 10">
-			<OutputDirectory>Renci.SshNet.UAP10\bin\$(Configuration)</OutputDirectory>
-			<Moniker>uap10</Moniker>
-		</TargetFrameworkClassic>
+		<VisualStudioVersionModern Include="2022">
+			<SolutionFile>$(MSBuildThisFileDirectory)..\src\Renci.SshNet.sln</SolutionFile>
+			<VisualStudioVersion>17.0</VisualStudioVersion>
+		</VisualStudioVersionModern>
 	</ItemGroup>
 
 	<ItemGroup>
-		<TargetFrameworkModern Include=".NET Framework 3.5">
-			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\net35</OutputDirectory>
-			<Moniker>net35</Moniker>
-		</TargetFrameworkModern>
-		<TargetFrameworkModern Include=".NET Framework 4.0">
-			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\net40</OutputDirectory>
-			<Moniker>net40</Moniker>
-		</TargetFrameworkModern>
-		<TargetFrameworkModern Include=".NETStandard 1.3">
-			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\netstandard1.3</OutputDirectory>
-			<Moniker>netstandard1.3</Moniker>
+		<TargetFrameworkModern Include=".NET Framework 4.6.2">
+			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\net462</OutputDirectory>
+			<Moniker>net462</Moniker>
 		</TargetFrameworkModern>
 		<TargetFrameworkModern Include=".NETStandard 2.0">
 			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\netstandard2.0</OutputDirectory>
 			<Moniker>netstandard2.0</Moniker>
 		</TargetFrameworkModern>
+		<TargetFrameworkModern Include=".NET 6.0">
+			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\net6.0</OutputDirectory>
+			<Moniker>net6.0</Moniker>
+		</TargetFrameworkModern>
+		<TargetFrameworkModern Include=".NET 7.0">
+			<OutputDirectory>Renci.SshNet\bin\$(Configuration)\net7.0</OutputDirectory>
+			<Moniker>net7.0</Moniker>
+		</TargetFrameworkModern>
 	</ItemGroup>
-	
-	<Target Name="CleanClassic" DependsOnTargets="CleanSolutionClassic">
-		<RemoveDir Directories="$(MSBuildThisFileDirectory)target"/>
-	</Target>
-	
+
 	<Target Name="CleanModern" DependsOnTargets="CleanSolutionModern">
 		<RemoveDir Directories="$(MSBuildThisFileDirectory)target"/>
 	</Target>
 
-	<Target Name="CleanSolutionClassic" Outputs="%(VisualStudioVersionClassic.Identity)">
-		<ItemGroup>
-			<ProjectToBuild Remove="@(ProjectToBuild)"/>
-			<ProjectToBuild Include="%(VisualStudioVersionClassic.SolutionFile)">
-				<Properties>Configuration=Release;VisualStudioVersion=%(VisualStudioVersionClassic.VisualStudioVersion)</Properties>
-			</ProjectToBuild>
-		</ItemGroup>
-		<MSBuild Projects="@(ProjectToBuild)" ToolsVersion="%(VisualStudioVersionClassic.ToolsVersion)" Targets="Clean"/>
-	</Target>
 	
 	<Target Name="CleanSolutionModern" Outputs="%(VisualStudioVersionModern.Identity)">
 		<ItemGroup>
@@ -99,26 +50,11 @@
 		<MSBuild Projects="@(ProjectToBuild)" Targets="Clean"/>
 	</Target>
 
-	<Target Name="RestoreNuGetPackagesClassic" DependsOnTargets="DownloadNuGet" Outputs="%(VisualStudioVersionClassic.Identity)">
-		<Message Text="Restoring nuget packages for '%(VisualStudioVersionClassic.SolutionFile)'..." Importance="High"/>
-		<Exec Command="$(NuGetExe) restore &quot;%(VisualStudioVersionClassic.SolutionFile)&quot;"/>
-	</Target>
-	
 	<Target Name="RestoreNuGetPackagesModern" DependsOnTargets="DownloadNuGet" Outputs="%(VisualStudioVersionModern.Identity)">
 		<Message Text="Restoring nuget packages for '%(VisualStudioVersionModern.SolutionFile)'..." Importance="High"/>
 		<Exec Command="$(NuGetExe) restore &quot;%(VisualStudioVersionModern.SolutionFile)&quot;"/>
 	</Target>
-	
-	<Target Name="BuildClassic" DependsOnTargets="RestoreNuGetPackagesClassic" Outputs="%(VisualStudioVersionClassic.Identity)">
-		<ItemGroup>
-			<ProjectToBuild Remove="@(ProjectToBuild)"/>
-			<ProjectToBuild Include="%(VisualStudioVersionClassic.SolutionFile)">
-				<Properties>Configuration=Release;VisualStudioVersion=%(VisualStudioVersionClassic.VisualStudioVersion)</Properties>
-			</ProjectToBuild>
-		</ItemGroup>
-		<MSBuild Projects="@(ProjectToBuild)" ToolsVersion="%(VisualStudioVersionClassic.ToolsVersion)" Targets="Rebuild"/>
-	</Target>
-	
+
 	<Target Name="BuildModern" DependsOnTargets="RestoreNuGetPackagesModern" Outputs="%(VisualStudioVersionModern.Identity)">
 		<ItemGroup>
 			<ProjectToBuild Remove="@(ProjectToBuild)"/>
@@ -131,12 +67,7 @@
 	
 	<Target Name="Package" DependsOnTargets="CreateNuGetPackage;CreateBinPackage;GenerateHelpFile"/>
 	
-	<Target Name="ValidatePackage" DependsOnTargets="ValidatePackageClassic;ValidatePackageModern"/>
-	
-	<Target Name="ValidatePackageClassic" DependsOnTargets="CheckNuGetPackageDirectory" Outputs="%(TargetFrameworkClassic.Identity)">
-		<Error Text="The 'Renci.SshNet.dll' file is not available for %(TargetFrameworkClassic.Identity) in $(NuGetPackageDirectory)\lib\%(TargetFrameworkClassic.Moniker)." Condition="!Exists('$(NuGetPackageDirectory)\lib\%(TargetFrameworkClassic.Moniker)\Renci.SshNet.dll')"/>
-		<Error Text="The 'Renci.SshNet.xml' file is not available for %(TargetFrameworkClassic.Identity) in $(NuGetPackageDirectory)\lib\%(TargetFrameworkClassic.Moniker)." Condition="!Exists('$(NuGetPackageDirectory)\lib\%(TargetFrameworkClassic.Moniker)\Renci.SshNet.xml')"/>
-	</Target>
+	<Target Name="ValidatePackage" DependsOnTargets="ValidatePackageModern"/>
 
 	<Target Name="ValidatePackageModern" DependsOnTargets="CheckNuGetPackageDirectory" Outputs="%(TargetFrameworkModern.Identity)">
 		<Error Text="The 'Renci.SshNet.dll' file is not available for %(TargetFrameworkModern.Identity) in $(NuGetPackageDirectory)\lib\%(TargetFrameworkModern.Moniker)." Condition="!Exists('$(NuGetPackageDirectory)\lib\%(TargetFrameworkModern.Moniker)\Renci.SshNet.dll')"/>
@@ -153,16 +84,6 @@
 		<Move SourceFiles="$(MSBuildThisFileDirectory)target\help\SshNet.Help.chm" DestinationFiles="$(MSBuildThisFileDirectory)target\SSH.NET-$(ReleaseVersion)-help.chm"/>
 	</Target>
 
-	<Target Name="PreparePackageClassic" DependsOnTargets="BuildClassic;CheckNuGetPackageDirectory;CheckBinaryZipPackageDirectory" Outputs="%(TargetFrameworkClassic.Identity)">
-		<ItemGroup>
-			<BuildOutput Remove="@(BuildOutput)"/>
-			<BuildOutput Include="$(MSBuildThisFileDirectory)..\src\%(TargetFrameworkClassic.OutputDirectory)\Renci.SshNet.dll"/>
-			<BuildOutput Include="$(MSBuildThisFileDirectory)..\src\%(TargetFrameworkClassic.OutputDirectory)\Renci.SshNet.xml"/>
-		</ItemGroup>
-		<Copy SourceFiles="@(BuildOutput)" DestinationFolder="$(NuGetPackageDirectory)\lib\%(TargetFrameworkClassic.Moniker)"/>
-		<Copy SourceFiles="@(BuildOutput)" DestinationFolder="$(BinPackageDirectory)\lib\%(TargetFrameworkClassic.Moniker)"/>
-	</Target>
-	
 	<Target Name="PreparePackageModern" DependsOnTargets="BuildModern;CheckNuGetPackageDirectory" Outputs="%(TargetFrameworkModern.Identity)">
 		<ItemGroup>
 			<BuildOutput Remove="@(BuildOutput)"/>
diff --git a/build/nuget/SSH.NET.nuspec b/build/nuget/SSH.NET.nuspec
index 038305832..3fe48202b 100644
--- a/build/nuget/SSH.NET.nuspec
+++ b/build/nuget/SSH.NET.nuspec
@@ -16,37 +16,15 @@
         <language>en-US</language>
         <tags>ssh scp sftp</tags>
         <dependencies>
-          <group targetFramework="net35" />
-          <group targetFramework="net40" />
-          <group targetFramework="netstandard1.3">
-            <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
-            <dependency id="System.Diagnostics.TraceSource" version="4.3.0" />
-            <dependency id="System.Net.NameResolution" version="4.3.0" />
-            <dependency id="System.Net.Sockets" version="4.3.0" />
-            <dependency id="System.Threading.Thread" version="4.3.0" />
-            <dependency id="System.Threading.ThreadPool" version="4.3.0" />
-            <dependency id="System.Threading.Timer" version="4.3.0" />
-            <dependency id="System.Xml.XmlDocument" version="4.3.0" />
-            <dependency id="System.Xml.XPath.XmlDocument" version="4.3.0" />
-          </group>
+          <group targetFramework="net462" />
           <group targetFramework="netstandard2.0">
             <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
           </group>
-          <group targetFramework="sl4">
-            <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
-          </group>
-          <group targetFramework="sl5">
-            <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
-          </group>
-          <group targetFramework="wp71">
-            <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
-          </group>
-          <group targetFramework="wp8">
+          <group targetFramework="net6.0">
             <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
           </group>
-          <group targetFramework="uap10.0">
+          <group targetFramework="net7.0">
             <dependency id="SshNet.Security.Cryptography" version="[1.3.0]" />
-            <dependency id="System.Xml.XPath.XmlDocument" version="4.3.0" />
           </group>
         </dependencies>
     </metadata>
diff --git a/build/sandcastle/SSH.NET.shfbproj b/build/sandcastle/SSH.NET.shfbproj
index 68579630e..03b5a608d 100644
--- a/build/sandcastle/SSH.NET.shfbproj
+++ b/build/sandcastle/SSH.NET.shfbproj
@@ -1,21 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
   <PropertyGroup>
-    <!--
-      The configuration and platform will be used to determine which assemblies to include from solution and
-      project documentation sources
-    -->
+      <!-- A target framework version is required by Visual Studio.  It can be any version with a targeting pack installed. -->
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <!-- The configuration and platform will be used to determine which assemblies to include from solution and
+                 project documentation sources -->
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{f7266fb1-f50a-4a5b-b35a-5ea8ebdc1be9}</ProjectGuid>
-    <SHFBSchemaVersion>2015.6.5.0</SHFBSchemaVersion>
+    <SHFBSchemaVersion>2017.9.26.0</SHFBSchemaVersion>
     <!-- AssemblyName, Name, and RootNamespace are not used by SHFB but Visual Studio adds them anyway -->
     <AssemblyName>Documentation</AssemblyName>
     <RootNamespace>Documentation</RootNamespace>
     <Name>Documentation</Name>
     <!-- SHFB properties -->
-    <FrameworkVersion>.NET Framework 4.0</FrameworkVersion>
+    <FrameworkVersion>.NET Framework 4.7.2</FrameworkVersion>
     <OutputPath>..\target\help</OutputPath>
     <HtmlHelpName>SshNet.Help</HtmlHelpName>
     <Language>en-US</Language>
@@ -24,25 +25,15 @@
     <SyntaxFilters>C#</SyntaxFilters>
     <SdkLinkTarget>Blank</SdkLinkTarget>
     <RootNamespaceContainer>False</RootNamespaceContainer>
-    <PresentationStyle>VS2010</PresentationStyle>
+    <PresentationStyle>VS2013</PresentationStyle>
     <Preliminary>False</Preliminary>
     <NamingMethod>Guid</NamingMethod>
     <HelpTitle>SSH.NET Client Library Documentation</HelpTitle>
     <ContentPlacement>AboveNamespaces</ContentPlacement>
-    <ComponentConfigurations>
-      <ComponentConfig id="Code Block Component" enabled="True">
-        <component id="Code Block Component">
-  <basePath value="{@HtmlEncProjectFolder}" />
-  <outputPaths>{@HelpFormatOutputPaths}</outputPaths>
-  <allowMissingSource value="false" />
-  <removeRegionMarkers value="false" />
-  <colorizer syntaxFile="{@SHFBROOT}\PresentationStyles\Colorizer\highlight.xml" styleFile="{@SHFBROOT}\PresentationStyles\Colorizer\highlight.xsl" stylesheet="{@SHFBROOT}\PresentationStyles\Colorizer\highlight.css" scriptFile="{@SHFBROOT}\PresentationStyles\Colorizer\highlight.js" disabled="{@DisableCodeBlockComponent}" language="cs" tabSize="0" numberLines="false" outlining="false" keepSeeTags="false" defaultTitle="true" />
-</component>
-      </ComponentConfig>
-    </ComponentConfigurations>
+
     <DocumentationSources>
-      <DocumentationSource sourceFile="..\..\src\Renci.SshNet\bin\Release\net40\Renci.SshNet.dll" xmlns="" />
-      <DocumentationSource sourceFile="..\..\src\Renci.SshNet\bin\Release\net40\Renci.SshNet.xml" xmlns="" />
+      <DocumentationSource sourceFile="..\..\src\Renci.SshNet\bin\Release\net462\Renci.SshNet.dll" xmlns="" />
+      <DocumentationSource sourceFile="..\..\src\Renci.SshNet\bin\Release\net462\Renci.SshNet.xml" xmlns="" />
     </DocumentationSources>
     <MissingTags>Summary, Parameter, Returns, AutoDocumentCtors, TypeParameter, AutoDocumentDispose</MissingTags>
     <BuildAssemblerVerbosity>OnlyWarningsAndErrors</BuildAssemblerVerbosity>
@@ -54,7 +45,7 @@
     <CleanIntermediates>True</CleanIntermediates>
   </PropertyGroup>
   <!-- There are no properties for these groups.  AnyCPU needs to appear in order for Visual Studio to perform
-			 the build.  The others are optional common platform types that may appear. -->
+             the build.  The others are optional common platform types that may appear. -->
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
diff --git a/src/Renci.SshNet/Renci.SshNet.csproj b/src/Renci.SshNet/Renci.SshNet.csproj
index daedd06a3..d9399877b 100644
--- a/src/Renci.SshNet/Renci.SshNet.csproj
+++ b/src/Renci.SshNet/Renci.SshNet.csproj
@@ -7,18 +7,18 @@
     <AssemblyOriginatorKeyFile>../Renci.SshNet.snk</AssemblyOriginatorKeyFile>
     <LangVersion>6</LangVersion>
     <SignAssembly>true</SignAssembly>
-    <TargetFrameworks>net462;netstandard2.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net462;netstandard2.0;net6.0;net7.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net462' ">
     <DefineConstants>FEATURE_STRINGBUILDER_CLEAR;FEATURE_HASHALGORITHM_DISPOSE;FEATURE_REGEX_COMPILE;FEATURE_BINARY_SERIALIZATION;FEATURE_RNG_CREATE;FEATURE_SOCKET_SYNC;FEATURE_SOCKET_EAP;FEATURE_SOCKET_APM;FEATURE_SOCKET_SELECT;FEATURE_SOCKET_POLL;FEATURE_SOCKET_DISPOSE;FEATURE_STREAM_APM;FEATURE_DNS_SYNC;FEATURE_THREAD_COUNTDOWNEVENT;FEATURE_THREAD_THREADPOOL;FEATURE_THREAD_SLEEP;FEATURE_WAITHANDLE_DISPOSE;FEATURE_HASH_MD5;FEATURE_HASH_SHA1_CREATE;FEATURE_HASH_SHA256_CREATE;FEATURE_HASH_SHA384_CREATE;FEATURE_HASH_SHA512_CREATE;FEATURE_HASH_RIPEMD160_CREATE;FEATURE_HMAC_MD5;FEATURE_HMAC_SHA1;FEATURE_HMAC_SHA256;FEATURE_HMAC_SHA384;FEATURE_HMAC_SHA512;FEATURE_HMAC_RIPEMD160;FEATURE_MEMORYSTREAM_GETBUFFER;FEATURE_DIAGNOSTICS_TRACESOURCE;FEATURE_ENCODING_ASCII;FEATURE_ECDSA;FEATURE_TAP</DefineConstants>
   </PropertyGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1' or '$(TargetFramework)' == 'net7.0' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net6.0' or '$(TargetFramework)' == 'net7.0' ">
     <PackageReference Include="SshNet.Security.Cryptography" Version="[1.3.0]" />
   </ItemGroup>
 
-  <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1' or '$(TargetFramework)' == 'net7.0' ">
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net6.0' or '$(TargetFramework)' == 'net7.0' ">
     <DefineConstants>FEATURE_STRINGBUILDER_CLEAR;FEATURE_HASHALGORITHM_DISPOSE;FEATURE_ENCODING_ASCII;FEATURE_DIAGNOSTICS_TRACESOURCE;FEATURE_DIRECTORYINFO_ENUMERATEFILES;FEATURE_MEMORYSTREAM_GETBUFFER;FEATURE_MEMORYSTREAM_TRYGETBUFFER;FEATURE_RNG_CREATE;FEATURE_SOCKET_TAP;FEATURE_SOCKET_APM;FEATURE_SOCKET_EAP;FEATURE_SOCKET_SYNC;FEATURE_SOCKET_SELECT;FEATURE_SOCKET_POLL;FEATURE_SOCKET_DISPOSE;FEATURE_DNS_SYNC;FEATURE_DNS_APM;FEATURE_DNS_TAP;FEATURE_STREAM_APM;FEATURE_STREAM_TAP;FEATURE_THREAD_COUNTDOWNEVENT;FEATURE_THREAD_TAP;FEATURE_THREAD_THREADPOOL;FEATURE_THREAD_SLEEP;FEATURE_WAITHANDLE_DISPOSE;FEATURE_HASH_MD5;FEATURE_HASH_SHA1_CREATE;FEATURE_HASH_SHA256_CREATE;FEATURE_HASH_SHA384_CREATE;FEATURE_HASH_SHA512_CREATE;FEATURE_HMAC_MD5;FEATURE_HMAC_SHA1;FEATURE_HMAC_SHA256;FEATURE_HMAC_SHA384;FEATURE_HMAC_SHA512;FEATURE_ECDSA;FEATURE_TAP</DefineConstants>
   </PropertyGroup>
 </Project>