Access Steam features such as the user details, achievements, and DLC.
Steam overlay doesn't work, even using the recent "Fallback" Until overlay works Webview is not a viable alternative to NW.js for Steam deployment
See the section on the overlay in the documentation. The in-game overlay is not currently supported (Valve need to add support for that), but when the in-game overlay is not supported Steam uses a fallback approach, and that definitely worked for me last I tried.