MonoGame.Samples/Storage/Core/Storage.Core.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>net8.0</TargetFramework>
    <RootNamespace>Storage.Core</RootNamespace>
    <Nullable>enable</Nullable>
    <AssemblyTitle>Storage.Core</AssemblyTitle>
    <AssemblyVersion>1.0.0.0</AssemblyVersion>
    <FileVersion>1.0.0.0</FileVersion>
    <Authors>YourName</Authors>
    <Company>YourCompany</Company>
    <Product>Storage</Product>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.4.2491-develop" />
  </ItemGroup>
  
</Project>