During October 2024, Paul developed a customizable terminal animation duration feature for the ghostty-org/ghostty repository. He focused on enhancing user experience by allowing users to control the speed of terminal enter and exit animations, addressing the need for greater interface customization. Paul implemented this feature using Swift and Zig, applying his skills in UI/UX design and macOS development to ensure the changes were isolated, maintainable, and aligned with product goals. The work was delivered with clear, descriptive commits and scoped modifications, resulting in a ready-for-testing feature that improves configurability without introducing complexity or affecting existing terminal functionality.