As part of https://issues.redhat.com/browse/THREESCALE-11530 we had to update to the latest @rjsf/core package, which uses the latest json schema validator, v8.

In this last version of the validator, some of our apicast policies are considered invalid. This comment explains the problem: ajv-validator/ajv#1426 (comment)

And this is how our policies are invalid, for instance, take a look at 3.15.0/policies.json: https://github.com/3scale/APIcast/blob/master/doc/policies_list/3.15.0/policies.json

Our policy url_rewriting defines #/definitions/methods here:

https://github.com/3scale/APIcast/blob/a63be976ce7974c3464ee74f6e2d89f32207004a/doc/policies_list/3.15.0/policies.json#L2418

And this definition is included twice in the same policy, here:
https://github.com/3scale/APIcast/blob/a63be976ce7974c3464ee74f6e2d89f32207004a/doc/policies_list/3.15.0/policies.json#L2378
https://github.com/3scale/APIcast/blob/a63be976ce7974c3464ee74f6e2d89f32207004a/doc/policies_list/3.15.0/policies.json#L2318

Due to that, the field "$id": "#/definitions/methods" is included twice in the policy. This is accepted by the v6 validator but not by v8.