In April 2025, Ystrauch focused on improving SQL translation correctness in the ibis-project/ibis repository by addressing a critical bug affecting join limits and projections in the ibis.to_sql() function. Using Python and SQL, Ystrauch refactored the translation logic by introducing dedicated helper functions to encapsulate the application of limits and projections. This approach enhanced both the maintainability and accuracy of SQL query generation, directly resolving issue #11105 and reducing user-reported errors. The work demonstrated a strong emphasis on code refactoring and testing, resulting in more reliable handling of complex queries and a cleaner, more modular codebase for future development.