During November 2024, Ming Dai focused on improving code quality and maintainability in the xupefei/delta repository. He addressed a code formatting issue in the Scala test suite ConvertToHudiSuite.scala by standardizing the order of import statements, specifically reorganizing Eventually and SpanSugar imports to follow related dependencies. This refactoring effort did not alter any functional logic or runtime behavior but aimed to reduce future diff noise and simplify code reviews. By applying his skills in code formatting and refactoring, Ming Dai enhanced the project’s adherence to style guidelines, making the codebase more readable and accessible for current and future contributors.