Bruce contributed to the apache/shenyu repository by addressing a critical bug in the Rule Service selector population logic. He refined the RuleServiceImpl#searchByPage method using Java and the Spring Framework, ensuring selectors are now populated from the namespace only when condition selectors are null or empty. This approach prevents unintended overwrites of existing selectors and improves the accuracy of rule searches. Bruce also developed comprehensive unit tests to validate the new logic and collaborated with administrators to document the updated behavior. His backend development work enhanced the reliability and maintainability of rule management within the project during the month.