I'm with rderkis ;o)
Simply for completeness, plus the ability to recreate all the .g files from the json file I'd like to be able to recreate or update the json file based on the contents of the .g files. I've modified several of the .g files and would not be able to use https://configurator.reprapfirmware.org/ without losing any changes i have made. The web based config tool is better for visualizing what settings you have