During April 2025, Hongli Chang focused on improving the reliability of streaming data ingestion in the crossoverJie/starrocks repository. He addressed a complex deadlock issue in the RoutineLoad abortTxn process by reordering transaction state transformations to ensure the write lock was acquired before state changes, effectively preventing race conditions during concurrent abort scenarios. Working primarily in Java, he applied his expertise in concurrency and transaction management to deliver a targeted bug fix that reduced the risk of stuck RoutineLoad tasks. This work enhanced system stability and laid the groundwork for more predictable and maintainable streaming data pipelines in production environments.