Worked on improving the reliability of the RenderBlocks component in the volto-light-theme repository by addressing issues related to missing or malformed block data. Focused on frontend development using JavaScript and React, the approach involved implementing defensive data handling to ensure stable rendering even when block configurations were imperfect. This update reduced runtime errors and minimized interruptions for content authors working in the editor. By adding robust checks within the rendering logic, the changes enhanced the stability of the user interface in production environments, resulting in a smoother editing experience and greater resilience against edge cases involving incomplete or incorrect block data.