I've just upgraded my spring-boot app to 3.5.6, which updates also spring-data to 3.5.4 so when no value is deleted, null is returned, and is not converted to 0 (we have "long" as return value) This ...

Spring Boot + OpenAPI Generator — End-to-End Generics-Aware API Clients End-to-end generics-aware OpenAPI clients — unified { data, meta } responses without boilerplate. Modern, type-safe OpenAPI ...