The WiX toolset[1] is what I use. I've never used the Visual Studio extensions for WiX. I do everything with a plain ol' text editor.
[0] https://docs.microsoft.com/en-us/windows/msix/overview
[1] https://docs.microsoft.com/en-us/uwp/api/windows.management....
"You can run your desktop application installers through this tool and obtain an MSIX package that you can install on your machine or upload to the Microsoft Store. "
Gross.