How to handle OpenAPI extensions with RJSF ?

[MUzairS15]

We render RJSF form based on OpenAPI compatible schema. While it works great, but we are finding difficulties handling OpenAPI extensions (i.e. custom properties).
For eg:

"config": {
     "x-kubernetes-preserve-unknown-fields": true
     "type": "object"
    }

Since it has type object but has empty properties , RJSF is not able to handle this.
How to customise RJSF such that user is able to fill in the value (w/o concerning about the validation) ?