Worked on the typelevel/cats repository to deliver two new features focused on performance and code quality. Refactored the ExtractOps class into a value class using Scala, optimizing memory usage and runtime efficiency for functional programming workflows. Enhanced test coverage by adding comprehensive tests for the alleycats extract syntax, ensuring correctness and robustness. Applied scalafmt-based code formatting to improve readability and maintainability of test files without altering functionality. The work emphasized code consistency, maintainability, and prevention of regressions, leveraging skills in Scala, code formatting, and testing. No major bugs were addressed, as efforts centered on feature delivery and quality improvements.