Worked on the rails/rails repository to deliver a feature enhancing the diagnostics page by improving the visibility of nested-exception stack traces. Focused on restructuring the HTML and applying targeted CSS updates, the work aimed to make stack traces more readable and interactive for users engaged in debugging and triage. Leveraged front end development skills, particularly in JavaScript, CSS, and HTML, to refine the user experience and support code quality improvements. The contribution addressed a specific pain point in user-facing diagnostics, resulting in a more effective interface for identifying and understanding complex exception hierarchies during application troubleshooting and maintenance.