According to the link there is interest but several years have passed and I don’t know if they actually implemented it or not.
https://meta.discourse.org/t/backup-only-site-settings/78150/3?u=willy
A very useful scenario for this is to configure a VPS server with the exact same settings as the production server, and this cloned VPS would be solely for development. This way, I can work more effectively with my team of developers.
Discuss this on our forum.