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kotlinlang

<@U01V2S2HGRK> quite frankly, the swagger editor is not the bastion of sanity.... :slightly_smiling_face: . We tend to use the standard swagger UI instead which doesn't have the same issue. (eg. the one from <https://www.http4k.org/openapi3/>) . You can configure your own Jackson instance to not serialise the nulls instead, and then use this method to override the instance used:
```fun OpenApi3(apiInfo: ApiInfo, json: Jackson = Jackson, extensions: List&lt;OpenApiExtension&gt; = emptyList()) = OpenApi3(apiInfo, json, extensions, ApiRenderer.Auto(json, AutoJsonToJsonSchema(json)))```