diff --git a/examples/01-examples-of-each-primitive-data-type/netstandard2.0/Acme.Examples.csproj b/examples/01-examples-of-each-primitive-data-type/netstandard2.0/Acme.Examples.csproj
index e199711..f09feab 100644
--- a/examples/01-examples-of-each-primitive-data-type/netstandard2.0/Acme.Examples.csproj
+++ b/examples/01-examples-of-each-primitive-data-type/netstandard2.0/Acme.Examples.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <!--
-  To target net5.0, the c# 10 lang version (available in net6.0) must be used to support 'record structs'.
+  To target netstandard2.0, the c# 10 lang version (available in net6.0) must be used to support 'record structs'.
   This is not recommended for production use, but is used here to demonstrate the use of Primitively on older versions of .NET.
   -->
 
@@ -13,9 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Primitively" Version="1.4.16" PrivateAssets="All" />
-    <PackageReference Include="System.Text.Json" Version="8.0.3" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
+    <PackageReference Include="Primitively" Version="1.5.0-alpha.0" PrivateAssets="All" />
   </ItemGroup>
   
 </Project>
diff --git a/src/Primitively.Abstractions/Primitively.Abstractions.csproj b/src/Primitively.Abstractions/Primitively.Abstractions.csproj
index bf19155..7019dc2 100644
--- a/src/Primitively.Abstractions/Primitively.Abstractions.csproj
+++ b/src/Primitively.Abstractions/Primitively.Abstractions.csproj
@@ -14,6 +14,7 @@
   <ItemGroup>
     <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.1" />
+    <PackageReference Include="System.Text.Json" Version="8.0.3" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
   </ItemGroup>
 
diff --git a/src/Primitively.AspNetCore.Mvc/Primitively.AspNetCore.Mvc.csproj b/src/Primitively.AspNetCore.Mvc/Primitively.AspNetCore.Mvc.csproj
index 04e5f27..ef633fd 100644
--- a/src/Primitively.AspNetCore.Mvc/Primitively.AspNetCore.Mvc.csproj
+++ b/src/Primitively.AspNetCore.Mvc/Primitively.AspNetCore.Mvc.csproj
@@ -12,7 +12,6 @@
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
     <PackageReference Include="Microsoft.AspNetCore.Mvc.ApiExplorer" Version="2.2.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.3" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' != 'netstandard2.0' ">
diff --git a/src/Primitively/Primitively.csproj b/src/Primitively/Primitively.csproj
index 45253b4..ecdbfbe 100644
--- a/src/Primitively/Primitively.csproj
+++ b/src/Primitively/Primitively.csproj
@@ -15,12 +15,11 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" PrivateAssets="all" />
-    <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" PrivateAssets="all" />
   </ItemGroup>
-  
+
   <ItemGroup>
     <ProjectReference Include="..\Primitively.Abstractions\Primitively.Abstractions.csproj" />
   </ItemGroup>
@@ -29,7 +28,7 @@
     <Compile Remove="EmbeddedResources\**\*.cs" />
     <EmbeddedResource Include="EmbeddedResources\**\*.cs" />
   </ItemGroup>
-  
+
   <ItemGroup>
     <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
     <None Include="$(OutputPath)\Primitively.Abstractions.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
diff --git a/test/Acme.TestLib/Acme.TestLib.csproj b/test/Acme.TestLib/Acme.TestLib.csproj
index 59118cf..64ff0e3 100644
--- a/test/Acme.TestLib/Acme.TestLib.csproj
+++ b/test/Acme.TestLib/Acme.TestLib.csproj
@@ -1,9 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
+  <!--
+  To target netstandard2.0, netcoreapp3.1 or net5.0; the c# 10 lang version (available in net6.0) must be used to support 'record structs'.
+  Microsoft.Extensions.DependencyInjection.Abstractions 8.0.1 doesn't officially support netcoreapp3.1 & net5.0
+  therefore <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings> has been added to suppress the warnings.
+  This is not recommended for production use, but is used here to demonstrate the use of Primitively on older versions of .NET.
+  Use net8.0 for production use. It's ace.
+  -->
+
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <LangVersion>latest</LangVersion>
+    <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,19 +21,4 @@
     <ProjectReference Include="..\..\src\Primitively.Abstractions\Primitively.Abstractions.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="true" Visible="false" />
   </ItemGroup>
 
-  <!--
-  To target netstandard2.0, netcoreapp3.1 or net5.0; the c# 10 lang version (available in net6.0) must be used to support 'record structs'.
-  This is not recommended for production use, but is used here to demonstrate the use of Primitively on older versions of .NET.
-  -->
-
-  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'">
-    <LangVersion>10.0</LangVersion>
-    <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
-  </PropertyGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="System.Text.Json" Version="8.0.3" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
-  </ItemGroup>
-
 </Project>
diff --git a/test/Acme.TestLib2/Acme.TestLib2.csproj b/test/Acme.TestLib2/Acme.TestLib2.csproj
index 59118cf..37ebcd1 100644
--- a/test/Acme.TestLib2/Acme.TestLib2.csproj
+++ b/test/Acme.TestLib2/Acme.TestLib2.csproj
@@ -1,9 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
+  <!--
+  To target netstandard2.0, netcoreapp3.1 or net5.0; the c# 10 lang version (available in net6.0) must be used to support 'record structs'.
+  Microsoft.Extensions.DependencyInjection.Abstractions 8.0.1 doesn't officially support netcoreapp3.1 & net5.0
+  therefore <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings> has been added to suppress the warnings.
+  This is not recommended for production use, but is used here to demonstrate the use of Primitively on older versions of .NET.
+  Use net8.0 for production use. It's ace.
+  -->
+  
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <LangVersion>latest</LangVersion>
+    <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,19 +21,4 @@
     <ProjectReference Include="..\..\src\Primitively.Abstractions\Primitively.Abstractions.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="true" Visible="false" />
   </ItemGroup>
 
-  <!--
-  To target netstandard2.0, netcoreapp3.1 or net5.0; the c# 10 lang version (available in net6.0) must be used to support 'record structs'.
-  This is not recommended for production use, but is used here to demonstrate the use of Primitively on older versions of .NET.
-  -->
-
-  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'">
-    <LangVersion>10.0</LangVersion>
-    <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
-  </PropertyGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="System.Text.Json" Version="8.0.3" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
-  </ItemGroup>
-
 </Project>
diff --git a/test/Primitively.IntegrationTests/Primitively.IntegrationTests.csproj b/test/Primitively.IntegrationTests/Primitively.IntegrationTests.csproj
index 86b35be..a1003c8 100644
--- a/test/Primitively.IntegrationTests/Primitively.IntegrationTests.csproj
+++ b/test/Primitively.IntegrationTests/Primitively.IntegrationTests.csproj
@@ -7,14 +7,12 @@
     <IsPackable>false</IsPackable>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <NoWarn>$(NoWarn);CA1825;CS0618</NoWarn>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'">
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>latest</LangVersion>
     <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
@@ -23,7 +21,6 @@
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7" PrivateAssets="all" Condition="'$(TargetFramework)' != 'netcoreapp3.1' and '$(TargetFramework)' != 'net5.0'" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" PrivateAssets="all" Condition="'$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0'" />
     <PackageReference Include="coverlet.collector" Version="6.0.2" PrivateAssets="all" />
-    <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>