Visual Studio supports debugging C# compiled to WASM when your page is made with Blazor. Granted, you're debugging in another window that isn't a browser; but

Visual Studio supports debugging C# compiled to WASM when your page is made with Blazor. Granted, you're debugging in another window that isn't a browser; but overall the debugger is about 80% of what you get when debugging a .net process running outside of the debugger.