Developed and delivered watermark support for the Shaka Player UI in the shaka-project/shaka-player repository, enabling both static and dynamic overlays with customizable appearance and positioning. This feature was implemented using JavaScript and HTML5 Canvas, focusing on seamless integration with existing UI components while maintaining optimal load times and memory usage. The solution enhances content security, branding, and monetization options for publishers by allowing flexible watermark configurations. Throughout the process, attention was given to UI development best practices, ensuring the new functionality could be adopted across diverse implementations without impacting performance or user experience. No bug fixes were recorded during this period.