Expose more Greenworks Steam cloud APIs to NW.Js and Electron (1.10.0: Supports NW.Js 0.89.0, Steam SDK 1.60, Greenworks 0.17).
Sorry, no, I am not doing development on C2 plugins, I am focused on C3. You could check if the Steam4C2 plugin is still supported, it may have DLC support.