message: Make conversion process more robust
diff: @@ -18,7 +18,7 @@ export async function loadAndBundleSpec(specUrlOrObject: object | string): Promi
  export function convertSwagger2OpenAPI(spec: any): Promise<OpenAPISpec> {
  console.warn('[ReDoc Compatibility mode]: Converting OpenAPI 2.0 to OpenAPI 3.0');
  return new Promise<OpenAPISpec>((resolve, reject) =>
  - convertObj(spec, {}, (err, res) => {
  + convertObj(spec, { patch: true, warnOnly: true }, (err, res) => {
  // TODO: log any warnings
  if (err) {
  return reject(err);
  