In December 2024, Guangxin Wang contributed a targeted performance optimization to the apache/incubator-gluten repository, focusing on backend development and scalability. He enhanced the WholeStageTransformer by converting the getPartitions result to an IndexedSeq, which reduced memory usage and improved access times when handling large numbers of partitions. This Scala-based solution addressed a specific performance issue with large scan partitions, improving query throughput and memory efficiency for large-scale workloads. By adopting IndexedSeq, Guangxin Wang not only resolved an existing scalability bug but also established a foundation for future optimizations, demonstrating a thoughtful approach to performance and maintainability in distributed data processing.