Worked on the mastodon/mastodon repository to address a user interface issue related to timestamp rendering in the frontend. Focused on improving the RelativeTimestamp component by introducing a noFuture prop, which ensures that future dates are displayed accurately and not misrepresented as past events. This targeted bug fix, implemented using React and TypeScript, resolved confusion around post timing and enhanced the reliability of time-based user experiences. The solution was delivered with minimal code changes, demonstrating a component-level, prop-driven approach that maintained the integrity of the existing codebase while directly addressing a specific user-facing problem in front end development.