During May 2025, Daniel focused on improving UI correctness and stability for the Tabler repository by addressing a specific bug related to list group hover behavior. He scoped the hover styling so that it only applied when the .list-group-hoverable class was present, preventing unintended global hover effects across all list group items. This change, implemented using CSS and SCSS, aligned with design system guidelines and reduced visual noise for end users. Daniel validated the fix across supported browsers and updated CI tests to ensure proper hover-state scoping, demonstrating attention to detail and a methodical approach to front end development challenges.