Bowen Jiang focused on enhancing code quality and maintainability in the vitruv-tools/Vitruv repository during February 2025. He delivered a targeted refactor to the IdentityMappingViewType class, replacing a lambda expression with the Objects::nonNull method reference in a Java stream filter. This change preserved existing behavior while improving code readability and reducing cognitive load for future contributors. Working exclusively in Java, Bowen applied refactoring techniques and functional programming principles to streamline the codebase. Although no bugs were fixed during this period, his work ensured feature parity and stability, laying a foundation for safer and more efficient future development in the project.