Michał Bogusz focused on improving the Tooltip component in the canonical/react-components repository, addressing a persistent issue with tooltip positioning in followMouse mode. He identified and resolved incorrect initial and focus positions, ensuring tooltips now appear accurately during both mouse movement and keyboard focus events. Using React, JavaScript, and TypeScript, Michał applied component debugging, UI/UX reasoning, and regression testing to stabilize tooltip behavior and enhance accessibility. His work improved the reliability and responsiveness of the component library, resulting in smoother user interactions and better support for both mouse and keyboard users. The contribution demonstrated careful attention to user experience and accessibility.