Yes, they are built specifically to not work outside of Microsofts binaries:

    You may only use the Microsoft .NET Core Debugger (vsdbg) with
    Visual Studio Code, Visual Studio or Visual Studio for Mac software
    to help you develop and test your applications.
    -------------------------------------------------------------------

see:

https://github.com/VSCodium/vscodium/issues/82

https://github.com/OmniSharp/omnisharp-vscode/issues/2491#is...