Describe the feature

Use oneconfig for the config.

Date of submittion

Early autom 25th, 582

Before submitting a feature request

• This feature wasn't already requested.
  (I have checked every feature request on GitHub)

• I agree to this repository's prerequisites.
  (I have read and agree to the License, Code of Conduct, and Contributing Guidelines)

looking at it right now.

Added in release 1.8.

progress in 03548ca