OAS 3.1 - arbitrary schema keywords are classified as lint errors

[Drew-Kimberly]

Describe the bug For OAS 3.1, arbitrary keywords within schemas produce lint errors. This contradicts the 3.1 specification.

To Reproduce Using minimal, this example spec from OpenAPI fails linting when it should pass.

Expected behavior

The spec should pass linting.

Logs

message: 'Property `myArbitraryKeyword` is not expected here.',

OpenAPI description

3.1

Redocly Version(s)

@redocly/[email protected]