A .sln is generated, IntelliSense works, and I can successfully debug the code. When I open a .code-workspace file, things no longer work. No solution is created and it is not possible ... I expect ...

51.6% of the code in my repro gets identified as SmallTalk, but all code in the repro should be C#. Things I've tried: Changed all code files to UTF8 Added a .gitattributes to exclude *.dll files and ...