During December 2024, Fahmi focused on reliability improvements for the apache/hudi repository, specifically addressing data ingestion stability in DebeziumSource. He implemented a Java-based bug fix ensuring that a DataFrame always includes a schema, even when no new messages are present, which prevents empty results and downstream failures in Spark-based pipelines. Fahmi reinforced this solution by adding targeted unit tests to validate schema presence in no-new-messages scenarios, improving test coverage and reducing the risk of regression. His work leveraged expertise in Apache Hudi, Debezium, and Kafka, resulting in more robust data engineering workflows and enhanced downstream pipeline stability.