Worked on the cBioPortal/cbioportal-frontend repository to enhance the user interface by removing the MSK Epic transition banner from the User Messaging component. This change aimed to reduce user confusion and streamline the UI, reflecting the completion of the transition period and ensuring that only relevant messages are displayed. The update was implemented using React and TypeScript, demonstrating a disciplined approach to frontend code changes with clear traceability to the associated feature flag and workflow. The work focused on targeted UI cleanup, emphasizing maintainability and clarity in the user experience, and did not involve bug fixes during the reported period.