diff --git a/Build/build.ps1 b/Build/build.ps1
index cbe08679..87d2bdad 100644
--- a/Build/build.ps1
+++ b/Build/build.ps1
@@ -13,8 +13,8 @@
   $treatWarningsAsErrors = $false
   $workingName = if ($workingName) {$workingName} else {"Working"}
   $assemblyVersion = if ($assemblyVersion) {$assemblyVersion} else {$majorVersion + '.0.0'}
-  $netCliChannel = "Current"
-  $netCliVersion = "6.0.400"
+  $netCliChannel = "STS"
+  $netCliVersion = "8.0.300"
   $nugetUrl = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
   $ensureNetCliSdk = $true
 
@@ -26,7 +26,7 @@
   $workingDir = "$baseDir\$workingName"
 
   $nugetPath = "$buildDir\Temp\nuget.exe"
-  $vswhereVersion = "2.3.2"
+  $vswhereVersion = "3.1.7"
   $vswherePath = "$buildDir\Temp\vswhere.$vswhereVersion"
   $nunitConsoleVersion = "3.8.0"
   $nunitConsolePath = "$buildDir\Temp\NUnit.ConsoleRunner.$nunitConsoleVersion"
@@ -179,8 +179,9 @@ function EnsureDotnetCli()
     -OutFile "$buildDir\Temp\dotnet-install.ps1"
 
   exec { & $buildDir\Temp\dotnet-install.ps1 -Channel $netCliChannel -Version $netCliVersion | Out-Default }
+  exec { & $buildDir\Temp\dotnet-install.ps1 -Channel $netCliChannel -Version '6.0.400' | Out-Default }
   exec { & $buildDir\Temp\dotnet-install.ps1 -Channel $netCliChannel -Version '3.1.402' | Out-Default }
-  exec { & $buildDir\Temp\dotnet-install.ps1 -Channel $netCliChannel -Version '2.1.811' | Out-Default }
+  exec { & $buildDir\Temp\dotnet-install.ps1 -Channel $netCliChannel -Version '2.1.818' | Out-Default }
 }
 
 function EnsureNuGetExists()
@@ -203,7 +204,7 @@ function EnsureNuGetPackage($packageName, $packagePath, $packageVersion)
 
 function GetMsBuildPath()
 {
-  $path = & $vswherePath\tools\vswhere.exe -latest -products * -requires Microsoft.Component.MSBuild -property installationPath
+  $path = & $vswherePath\tools\vswhere.exe -latest -prerelease -products * -requires Microsoft.Component.MSBuild -property installationPath
   if (!($path))
   {
     throw "Could not find Visual Studio install path"
@@ -241,7 +242,7 @@ function NetCliTests($build)
     Write-Host "Project path: $projectPath"
     Write-Host
 
-    exec { dotnet test $projectPath -f $testDir -c Release -l trx -r $workingDir --no-restore --no-build | Out-Default }
+    exec { dotnet test $projectPath -f $testDir -c Release -l trx --results-directory $workingDir --no-restore --no-build | Out-Default }
   }
   finally
   {
diff --git a/Src/Directory.Build.props b/Src/Directory.Build.props
index bafd1cd9..4b9c22ec 100644
--- a/Src/Directory.Build.props
+++ b/Src/Directory.Build.props
@@ -3,7 +3,7 @@
     <AutofacPackageVersion>4.6.2</AutofacPackageVersion>
     <BenchmarkDotNetPackageVersion>0.10.10</BenchmarkDotNetPackageVersion>
     <FSharpCorePackageVersion>4.2.3</FSharpCorePackageVersion>
-    <MicrosoftCodeAnalysisNetAnalyzersPackageVersion>6.0.0</MicrosoftCodeAnalysisNetAnalyzersPackageVersion>
+    <MicrosoftCodeAnalysisNetAnalyzersPackageVersion>8.0.0</MicrosoftCodeAnalysisNetAnalyzersPackageVersion>
     <MicrosoftCSharpPackageVersion>4.3.0</MicrosoftCSharpPackageVersion>
     <MicrosoftSourceLinkGitHubPackageVersion>1.0.0</MicrosoftSourceLinkGitHubPackageVersion>
     <MicrosoftNETTestSdkPackageVersion>16.3.0</MicrosoftNETTestSdkPackageVersion>
diff --git a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj
index 49d267ff..f564f2bb 100644
--- a/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj
+++ b/Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj
@@ -173,6 +173,8 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)'=='netcoreapp2.1'">
+    <!-- Explicitly specify Microsoft.NETCore.App to fix vulnerability warnings -->
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.1.30" />
     <PackageReference Include="FSharp.Core" Version="$(FSharpCorePackageVersion)" />
     <PackageReference Include="System.ObjectModel" Version="$(SystemObjectModelPackageVersion)" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="$(SystemRuntimeSerializationPrimitivesPackageVersion)" />
diff --git a/Src/Newtonsoft.Json/CompatibilitySuppressions.xml b/Src/Newtonsoft.Json/CompatibilitySuppressions.xml
index 64d04acc..b69c3442 100644
--- a/Src/Newtonsoft.Json/CompatibilitySuppressions.xml
+++ b/Src/Newtonsoft.Json/CompatibilitySuppressions.xml
@@ -1,6 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- https://learn.microsoft.com/en-us/dotnet/fundamentals/package-validation/diagnostic-ids -->
 <Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-  <!--Types removed from lib/net35 which are present on lib/net20-->
+  <Suppression>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:Newtonsoft.Json.Serialization.Action</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:Newtonsoft.Json.Serialization.Action`2</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:Newtonsoft.Json.Serialization.Action`3</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:Newtonsoft.Json.Serialization.Action`4</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0001</DiagnosticId>
     <Target>T:Newtonsoft.Json.Serialization.Func`1</Target>
@@ -31,37 +55,6 @@
     <Left>lib/net20/Newtonsoft.Json.dll</Left>
     <Right>lib/net35/Newtonsoft.Json.dll</Right>
   </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0001</DiagnosticId>
-    <Target>T:Newtonsoft.Json.Serialization.Action</Target>
-    <Left>lib/net20/Newtonsoft.Json.dll</Left>
-    <Right>lib/net35/Newtonsoft.Json.dll</Right>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0001</DiagnosticId>
-    <Target>T:Newtonsoft.Json.Serialization.Action`2</Target>
-    <Left>lib/net20/Newtonsoft.Json.dll</Left>
-    <Right>lib/net35/Newtonsoft.Json.dll</Right>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0001</DiagnosticId>
-    <Target>T:Newtonsoft.Json.Serialization.Action`3</Target>
-    <Left>lib/net20/Newtonsoft.Json.dll</Left>
-    <Right>lib/net35/Newtonsoft.Json.dll</Right>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0001</DiagnosticId>
-    <Target>T:Newtonsoft.Json.Serialization.Action`4</Target>
-    <Left>lib/net20/Newtonsoft.Json.dll</Left>
-    <Right>lib/net35/Newtonsoft.Json.dll</Right>
-  </Suppression>
-  <!--Types which were removed from lib/netstandard2.0 but are present in lib/netstandard1.3-->
-  <Suppression>
-    <DiagnosticId>CP0001</DiagnosticId>
-    <Target>T:System.Runtime.Serialization.Formatters.FormatterAssemblyStyle</Target>
-    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
-    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
-  </Suppression>
   <Suppression>
     <DiagnosticId>CP0001</DiagnosticId>
     <Target>T:Newtonsoft.Json.SerializationBinder</Target>
@@ -74,31 +67,100 @@
     <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
     <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
   </Suppression>
-  <!--Type inherits from Newtonsoft.Json.SerializationBinder in netstandard1.3 but not in netstandard2.0-->
   <Suppression>
-    <DiagnosticId>CP0007</DiagnosticId>
-    <Target>T:Newtonsoft.Json.Serialization.DefaultSerializationBinder</Target>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:System.Runtime.Serialization.Formatters.FormatterAssemblyStyle</Target>
+    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
+    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.JsonConvert.get_DefaultSettings</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.JsonSerializerSettings.get_ReferenceResolverProvider</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.Serialization.JsonContract.get_DefaultCreator</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.Serialization.JsonDictionaryContract.get_DictionaryKeyResolver</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.Serialization.JsonObjectContract.get_ExtensionDataNameResolver</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.Serialization.JsonProperty.get_SetIsSpecified</Target>
+    <Left>lib/net20/Newtonsoft.Json.dll</Left>
+    <Right>lib/net35/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.JsonSerializer.get_Binder</Target>
+    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
+    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.JsonSerializerSettings.get_Binder</Target>
+    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
+    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.Serialization.ITraceWriter.get_LevelFilter</Target>
     <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
     <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
   </Suppression>
-  <!--These members exist in netstandard1.3, but not on netstandard2.0-->
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:Newtonsoft.Json.Serialization.ITraceWriter.Trace(Newtonsoft.Json.TraceLevel,System.String,System.Exception)</Target>
     <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
     <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Newtonsoft.Json.Serialization.MemoryTraceWriter.get_LevelFilter</Target>
+    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
+    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:Newtonsoft.Json.Serialization.MemoryTraceWriter.Trace(Newtonsoft.Json.TraceLevel,System.String,System.Exception)</Target>
     <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
     <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
   </Suppression>
-  <!--Interface member got added in netstandard2.0-->
   <Suppression>
     <DiagnosticId>CP0006</DiagnosticId>
     <Target>M:Newtonsoft.Json.Serialization.ITraceWriter.Trace(System.Diagnostics.TraceLevel,System.String,System.Exception)</Target>
     <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
     <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0006</DiagnosticId>
+    <Target>P:Newtonsoft.Json.Serialization.ITraceWriter.LevelFilter</Target>
+    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
+    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0007</DiagnosticId>
+    <Target>T:Newtonsoft.Json.Serialization.DefaultSerializationBinder</Target>
+    <Left>lib/netstandard1.3/Newtonsoft.Json.dll</Left>
+    <Right>lib/netstandard2.0/Newtonsoft.Json.dll</Right>
+  </Suppression>
 </Suppressions>
\ No newline at end of file
diff --git a/Src/global.json b/Src/global.json
index 18b4598f..e972eb19 100644
--- a/Src/global.json
+++ b/Src/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "6.0.400",
+    "version": "8.0.300",
     "rollForward": "latestFeature"
   }
 }
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 9ff4dd64..80277984 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -6,9 +6,14 @@ pool:
   vmImage: 'windows-2022'
 
 steps:
+- task: UseDotNet@2
+  inputs:
+    version: '8.0.x'
+
 - task: UseDotNet@2
   inputs:
     version: '6.0.x'
+    packageType: runtime
 
 - task: UseDotNet@2
   inputs: