diff --git a/.codecov/codecov.yml b/.github/codecov.yml
similarity index 100%
rename from .codecov/codecov.yml
rename to .github/codecov.yml
diff --git a/.github/workflows/pipelines.yml b/.github/workflows/pipelines.yml
index ba795fc..7073675 100644
--- a/.github/workflows/pipelines.yml
+++ b/.github/workflows/pipelines.yml
@@ -26,7 +26,7 @@ jobs:
     strategy:
       matrix:
         configuration: [Debug, Release]
-        framework: [net8.0, net6.0, netstandard2.0]
+        framework: [net9.0,net8.0,netstandard2.0]
     outputs:
       version: ${{ steps.minver-calculate.outputs.version }}
     steps:
@@ -189,6 +189,8 @@ jobs:
 
       - name: Install .NET
         uses: codebeltnet/install-dotnet@v1
+        with:
+          includePreview: true
 
       - name: Restore Dependencies
         uses: codebeltnet/dotnet-restore@v2
diff --git a/.nuget/Codebelt.Extensions.Xunit.App/PackageReleaseNotes.txt b/.nuget/Codebelt.Extensions.Xunit.App/PackageReleaseNotes.txt
index 7adc578..e486582 100644
--- a/.nuget/Codebelt.Extensions.Xunit.App/PackageReleaseNotes.txt
+++ b/.nuget/Codebelt.Extensions.Xunit.App/PackageReleaseNotes.txt
@@ -1,4 +1,11 @@
-Version 8.4.0
+Version 9.0.0
+Availability: .NET 9 and .NET 8
+ 
+# ALM
+- CHANGED Dependencies to latest and greatest with respect to TFMs
+- REMOVED Support for TFM .NET 6 (LTS)
+ 
+Version 8.4.0
 Availability: .NET 8 and .NET 6
  
 # ALM
diff --git a/.nuget/Codebelt.Extensions.Xunit.Hosting.AspNetCore/PackageReleaseNotes.txt b/.nuget/Codebelt.Extensions.Xunit.Hosting.AspNetCore/PackageReleaseNotes.txt
index 0b593a4..010b1d2 100644
--- a/.nuget/Codebelt.Extensions.Xunit.Hosting.AspNetCore/PackageReleaseNotes.txt
+++ b/.nuget/Codebelt.Extensions.Xunit.Hosting.AspNetCore/PackageReleaseNotes.txt
@@ -1,4 +1,11 @@
-Version 8.4.0
+Version 9.0.0
+Availability: .NET 9 and .NET 8
+ 
+# ALM
+- CHANGED Dependencies to latest and greatest with respect to TFMs
+- REMOVED Support for TFM .NET 6 (LTS)
+ 
+Version 8.4.0
 Availability: .NET 8 and .NET 6
  
 # ALM
diff --git a/.nuget/Codebelt.Extensions.Xunit.Hosting/PackageReleaseNotes.txt b/.nuget/Codebelt.Extensions.Xunit.Hosting/PackageReleaseNotes.txt
index 444b1bf..c016419 100644
--- a/.nuget/Codebelt.Extensions.Xunit.Hosting/PackageReleaseNotes.txt
+++ b/.nuget/Codebelt.Extensions.Xunit.Hosting/PackageReleaseNotes.txt
@@ -1,4 +1,11 @@
-Version 8.4.0
+Version 9.0.0
+Availability: .NET 9, .NET 8 and .NET Standard 2.0
+ 
+# ALM
+- CHANGED Dependencies to latest and greatest with respect to TFMs
+- REMOVED Support for TFM .NET 6 (LTS)
+ 
+Version 8.4.0
 Availability: .NET 8, .NET 6 and .NET Standard 2.0
  
 # ALM
diff --git a/.nuget/Codebelt.Extensions.Xunit/PackageReleaseNotes.txt b/.nuget/Codebelt.Extensions.Xunit/PackageReleaseNotes.txt
index 723b86d..ed3e7c6 100644
--- a/.nuget/Codebelt.Extensions.Xunit/PackageReleaseNotes.txt
+++ b/.nuget/Codebelt.Extensions.Xunit/PackageReleaseNotes.txt
@@ -1,4 +1,11 @@
-Version 8.4.0
+Version 9.0.0
+Availability: .NET 9, .NET 8 and .NET Standard 2.0
+ 
+# ALM
+- CHANGED Dependencies to latest and greatest with respect to TFMs
+- REMOVED Support for TFM .NET 6 (LTS)
+ 
+Version 8.4.0
 Availability: .NET 8, .NET 6 and .NET Standard 2.0
  
 # ALM
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5986ed..f30a27b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ For more details, please refer to `PackageReleaseNotes.txt` on a per assembly ba
 > [!NOTE]  
 > Changelog entries prior to version 8.4.0 was migrated from previous versions of Cuemon.Extensions.Xunit, Cuemon.Extensions.Xunit.Hosting, and Cuemon.Extensions.Xunit.Hosting.AspNetCore.
 
+## [9.0.0] - TBD
+
+This major release is first and foremost focused on ironing out any wrinkles that have been introduced with .NET 9 preview releases so the final release is production ready together with the official launch from Microsoft.
+
 ## [8.4.0] - 2024-09-15
 
 ### Added
diff --git a/Directory.Build.props b/Directory.Build.props
index 80704a5..c5737fe 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -15,7 +15,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(IsTestProject)' == 'false'">
-    <TargetFrameworks>net8.0;net6.0;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0;netstandard2.0</TargetFrameworks>
     <Copyright>Copyright © Geekle 2024. All rights reserved.</Copyright>
     <Authors>gimlichael</Authors>
     <Company>Geekle</Company>
@@ -38,7 +38,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(NuGetPackageRoot)' != ''">
-    <SourceRoot Include="$(NuGetPackageRoot)" RepositoryUrl="https://github.com/codebeltnet/xuni" />
+    <SourceRoot Include="$(NuGetPackageRoot)" RepositoryUrl="https://github.com/codebeltnet/xunit" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsTestProject)' == 'false'">
@@ -49,11 +49,11 @@
   </ItemGroup>
 
   <PropertyGroup Condition="'$(IsTestProject)' == 'true' AND '$(IsLinux)' == 'true'">
-    <TargetFrameworks>net8.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(IsTestProject)' == 'true' AND '$(IsWindows)' == 'true'">
-    <TargetFrameworks>net8.0;net6.0;net48</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0;net48</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(IsTestProject)' == 'true'">
diff --git a/README.md b/README.md
index 5510b74..34a0341 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Provides a focused API for unit-testing specific types of .NET projects.
 
 Provides a convenient set of default API additions for unit-testing various types of .NET projects.
 
-### Contributing to Extensions for xUnit API by Codebelt
+### Contributing to `Extensions for xUnit API by Codebelt`
 Contributions are welcome! 
 Feel free to submit issues, feature requests, or pull requests to help improve this library.
 
diff --git a/src/Codebelt.Extensions.Xunit.App/Codebelt.Extensions.Xunit.App.csproj b/src/Codebelt.Extensions.Xunit.App/Codebelt.Extensions.Xunit.App.csproj
index b2172b2..f09b6e9 100644
--- a/src/Codebelt.Extensions.Xunit.App/Codebelt.Extensions.Xunit.App.csproj
+++ b/src/Codebelt.Extensions.Xunit.App/Codebelt.Extensions.Xunit.App.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0</TargetFrameworks>
     <ProjectGuid>250bdf91-e7c7-4cb4-a39d-e1a5374c5602</ProjectGuid>
   </PropertyGroup>
 
diff --git a/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/AspNetCoreHostFixture.cs b/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/AspNetCoreHostFixture.cs
index a795ed3..2f21154 100644
--- a/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/AspNetCoreHostFixture.cs
+++ b/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/AspNetCoreHostFixture.cs
@@ -2,6 +2,7 @@
 using System.IO;
 using System.Threading.Tasks;
 using Cuemon;
+using Cuemon.Collections.Generic;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Hosting.StaticWebAssets;
@@ -40,7 +41,7 @@ public AspNetCoreHostFixture()
         public override void ConfigureHost(Test hostTest)
         {
             Validator.ThrowIfNull(hostTest);
-            Validator.ThrowIfNotContainsType(hostTest, nameof(hostTest), $"{nameof(hostTest)} is not assignable from AspNetCoreHostTest<T>.", typeof(AspNetCoreHostTest<>));
+            Validator.ThrowIfNotContainsType(hostTest, Arguments.ToArrayOf(typeof(AspNetCoreHostTest<>)), $"{nameof(hostTest)} is not assignable from AspNetCoreHostTest<T>.");
 
             var hb = new HostBuilder()
                 .ConfigureWebHost(webBuilder =>
diff --git a/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/Codebelt.Extensions.Xunit.Hosting.AspNetCore.csproj b/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/Codebelt.Extensions.Xunit.Hosting.AspNetCore.csproj
index 90cabaa..0d39be5 100644
--- a/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/Codebelt.Extensions.Xunit.Hosting.AspNetCore.csproj
+++ b/src/Codebelt.Extensions.Xunit.Hosting.AspNetCore/Codebelt.Extensions.Xunit.Hosting.AspNetCore.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0</TargetFrameworks>
     <ProjectGuid>200bdf91-e7c7-4cb4-a39d-e1a5374c5602</ProjectGuid>
     <SonarQubeTestProject>false</SonarQubeTestProject>
   </PropertyGroup>
@@ -15,17 +15,17 @@
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
-  <ItemGroup Condition="$(TargetFramework.StartsWith('net8'))">
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.8" />
+  <ItemGroup Condition="$(TargetFramework.StartsWith('net9'))">
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="9.0.0-rc.1.24452.1" />
   </ItemGroup>
 
-  <ItemGroup Condition="$(TargetFramework.StartsWith('net6'))">
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.33" />
+  <ItemGroup Condition="$(TargetFramework.StartsWith('net8'))">
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.8" />
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Cuemon.Extensions.DependencyInjection" Version="8.3.2" />
-    <PackageReference Include="Cuemon.IO" Version="8.3.2" />
+    <PackageReference Include="Cuemon.Extensions.DependencyInjection" Version="9.0.0-preview.5" />
+    <PackageReference Include="Cuemon.IO" Version="9.0.0-preview.5" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Codebelt.Extensions.Xunit.Hosting/Codebelt.Extensions.Xunit.Hosting.csproj b/src/Codebelt.Extensions.Xunit.Hosting/Codebelt.Extensions.Xunit.Hosting.csproj
index bcf6cdc..0b2eb40 100644
--- a/src/Codebelt.Extensions.Xunit.Hosting/Codebelt.Extensions.Xunit.Hosting.csproj
+++ b/src/Codebelt.Extensions.Xunit.Hosting/Codebelt.Extensions.Xunit.Hosting.csproj
@@ -10,6 +10,14 @@
     <PackageTags>host-test class-fixture host-fixture microsoft dependency injection host configuration hosting-environment service-provider configure-services</PackageTags>
   </PropertyGroup>
 
+  <ItemGroup Condition="$(TargetFramework.StartsWith('net9'))">
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0-rc.1.24431.7" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0-rc.1.24431.7" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.0-rc.1.24431.7" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="9.0.0-rc.1.24431.7" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0-rc.1.24431.7" />
+  </ItemGroup>
+
   <ItemGroup Condition="$(TargetFramework.StartsWith('net8'))">
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
@@ -18,14 +26,6 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="$(TargetFramework.StartsWith('net6'))">
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="6.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="6.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
-  </ItemGroup>
-
   <ItemGroup Condition="$(TargetFramework.StartsWith('netstandard2'))">
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.1.1" />
diff --git a/src/Codebelt.Extensions.Xunit.Hosting/HostFixture.cs b/src/Codebelt.Extensions.Xunit.Hosting/HostFixture.cs
index eea8ff8..efba269 100644
--- a/src/Codebelt.Extensions.Xunit.Hosting/HostFixture.cs
+++ b/src/Codebelt.Extensions.Xunit.Hosting/HostFixture.cs
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using Cuemon;
+using Cuemon.Collections.Generic;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
@@ -35,7 +36,7 @@ public HostFixture()
         public virtual void ConfigureHost(Test hostTest)
         {
             Validator.ThrowIfNull(hostTest);
-            Validator.ThrowIfNotContainsType(hostTest, nameof(hostTest), $"{nameof(hostTest)} is not assignable from HostTest<T>.", typeof(HostTest<>));
+            Validator.ThrowIfNotContainsType(hostTest, Arguments.ToArrayOf(typeof(HostTest<>)), $"{nameof(hostTest)} is not assignable from HostTest<T>.");
 
             var hb = new HostBuilder()
                 .UseContentRoot(Directory.GetCurrentDirectory())
diff --git a/src/Codebelt.Extensions.Xunit/Codebelt.Extensions.Xunit.csproj b/src/Codebelt.Extensions.Xunit/Codebelt.Extensions.Xunit.csproj
index 12186e2..4e03fb9 100644
--- a/src/Codebelt.Extensions.Xunit/Codebelt.Extensions.Xunit.csproj
+++ b/src/Codebelt.Extensions.Xunit/Codebelt.Extensions.Xunit.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Cuemon.Core" Version="8.3.2" />
+    <PackageReference Include="Cuemon.Core" Version="9.0.0-preview.5" />
     <PackageReference Include="xunit.assert" Version="2.9.0" />
     <PackageReference Include="xunit.abstractions" Version="2.0.3" />
   </ItemGroup>
diff --git a/test/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests.csproj b/test/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests.csproj
index 4e31fe3..1ac5eb6 100644
--- a/test/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests.csproj
+++ b/test/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests/Codebelt.Extensions.Xunit.Hosting.AspNetCore.Tests.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0;net8.0</TargetFrameworks>
     <RootNamespace>Codebelt.Extensions.Xunit.Hosting.AspNetCore</RootNamespace>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Cuemon.AspNetCore" Version="8.3.2" />
-    <PackageReference Include="Cuemon.Extensions.IO" Version="8.3.2" />
+    <PackageReference Include="Cuemon.AspNetCore" Version="9.0.0-preview.5" />
+    <PackageReference Include="Cuemon.Extensions.IO" Version="9.0.0-preview.5" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/testenvironments.json b/testenvironments.json
index 046978a..3cd700b 100644
--- a/testenvironments.json
+++ b/testenvironments.json
@@ -9,7 +9,7 @@
         {
             "name": "Docker-Ubuntu",
             "type": "docker",
-            "dockerImage": "gimlichael/ubuntu-testrunner:net6.0.424-net8.0.303"
+            "dockerImage": "gimlichael/ubuntu-testrunner:net6.0.425-net8.0.401-9.0.100-rc.1.24452.12"
         }
     ]
 }