Generating the C# project fails when .Net 8 Sdk is installed.

[Summpot]

Godot version

4.1.1.stable.mono

System information

Godot v4.1.1.stable.mono - Windows 10.0.23531

Issue description

When I install .Net 8 on my system (I'm using the preview version of Visual Studio, so I can't uninstall .Net 8), I get the message "Failed to create C# project." when I create a C# script file, and it doesn't generate the corresponding project files.

modules/mono/glue/runtime_interop.cpp:1324 - System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. System cannot find the specified file.
  File name: 'System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
     at GodotTools.ProjectEditor.ProjectGenerator.GenAndSaveGameProject(String dir, String name)
     at GodotTools.CsProjOperations.GenerateGameProject(String dir, String name) in /root/godot/modules/mono/editor/GodotTools/GodotTools/CsProjOperations.cs:line 13
  Transient parent has another exclusive child.

Steps to reproduce

1. Install the latest preview version of .Net 8 Sdk.
2. Create a new godot project.
3. Add a scene root node.
4. Attach a C# script to the node.

Minimal reproduction project

N/A

[Summpot]

I apologize that this bug should be a misreporting, it has nothing to do with .Net 8 and may not even be related to Godot at all, I couldn't reproduce the issue in a virtual machine, but I noticed that the package System.Runtime was last updated in 2019 and it doesn't have a version 8.0.0.0 at all, so I searched for a similar issue, which is more than likely a Nuget global cache bug, after I cleared the nuget cache, the C# project file could be created successfully.
I will close this issue.
By the way, do you guys have a tendency to design Godot to be framework-agnostic? I noticed that I couldn't compile the project after changing the TargetFramework in csproj to net7.0 or net8.0, but logically this shouldn't be the case, hostfxr doesn't seem to care about the runtime version.

[akien-mga]

Godot currently supports net6.0 and net7.0, I don't think net8.0 has been tested yet.

[RoyAwesome]

Hi, I also have this issue. I updated my visual studio version which automatically installed .net 8, and I can no longer create C# solutions for godot.

Uninstalling .net 8 and restarting the editor worked as a workaround, but this was an unexpected error.

[MarioLiebisch]

Yep, this definitely should be reopened. Running into the very same issue with Visual Studio 2022 17.8 (still in preview, though).