Worked on the mui/mui-x repository to deliver enhancements to the Scheduler user experience, focusing on customization and usability for diverse regional workflows. Implemented dynamic behavior in the recurrence tab, enabling or disabling fields based on user selections to minimize misconfigurations. Introduced a weekStartsOn calendar preference, updating date functions to support custom week start days and improve planning accuracy. Expanded the preferences menu to allow broader user customization, increasing enterprise configurability. The work emphasized feature delivery, code quality, and maintainability, utilizing React, JavaScript, and TypeScript. No major bugs were addressed, as the primary focus remained on robust feature development and collaboration.