- `avatar_upload_limit`: The same for avatars
- `background_upload_limit`: The same for backgrounds
- `banner_upload_limit`: The same for banners
+- `background_image`: A background image that frontends can use
- `pleroma.metadata.features`: A list of supported features
- `pleroma.metadata.federation`: The federation restrictions of this instance
- `vapid_public_key`: The public key needed for push messages