During October 2025, Daw focused on enhancing static analysis in the google/error-prone repository by addressing a critical bug in the Varifier tool’s variable-declaration inference. Using Java and leveraging static analysis techniques, Daw refined the logic so that 'var' is only suggested when the builder’s factory type matches the variable type, preventing incorrect type-inference in builder-pattern scenarios. This work included implementing targeted tests to validate the new behavior and improve code quality. By increasing the accuracy of Varifier’s suggestions, Daw contributed to safer, more predictable code and improved the overall developer experience within Java development environments.