metadata.json

{
    "uuid": "background-swapper@frenette.dev",
    "name": "Background Swapper",
    "description": "Automatically swap your desktop background based on the aspect ratio of the display. \n This can be useful for laptops where the docked display has a different aspect ratio than the built-in display.",
    "version": 1,
    "shell-version": ["45", "46"],
    "session-modes": ["user", "unlock-dialog"],
    "url": "https://github.com/cfrenette/background-swapper"
}