During April 2025, Huaxiang Sun focused on improving the reliability of data processing in the apache/parquet-java repository by addressing a bug related to the default behavior of Parquet Global Column Statistics. He corrected the misalignment between the global statistics enable flag and its configuration, ensuring that statistics are enabled or disabled as intended across different deployments. This work involved updating and expanding test coverage to verify that configuration-driven behavior is respected, which supports more predictable query planning. Huaxiang applied his expertise in Java, data engineering, and the Parquet file format to deliver a targeted, well-tested solution within the codebase.