Kris Vermeulen enhanced sub-workflow parameter inheritance in the apache/dolphinscheduler repository by enabling global parameters and variable pools from parent workflow instances to be included in sub-workflow trigger requests. Using Java and the Spring Framework, Kris addressed gaps in parameter propagation by updating the sub-workflow trigger logic to pass start parameters, improving execution context and reducing runtime failures due to missing inputs. Integration and unit testing ensured reliability and maintainability of the new approach. This work improved traceability and auditability of parameter handling, aligning sub-workflow triggers with the global parameter model and supporting more flexible workflow orchestrations.