During July 2025, Ramin Gharib contributed to the apache/flink repository by developing the Explain Preview feature for Flink SQL, enabling users to preview execution plans before running statements within an EXECUTE block. Leveraging expertise in compiler design, database internals, and distributed systems, Ramin implemented support for both statement sets and individual INSERT or SELECT statements. The feature, written in Java and utilizing SQL, allows early validation of execution plans, helping users identify inefficient or invalid queries before execution. This addition improved debugging workflows and reduced troubleshooting cycles, demonstrating a thoughtful approach to enhancing reliability and transparency in complex data processing environments.