During March 2025, Dos focused on enhancing user experience reliability in the neos/neos-development-collection repository by addressing a critical issue with flash messages in the Neos Media Browser. By updating the asset creation flow and upload endpoint to use a JSON-based approach, Dos enabled the backend to process uploads and return the necessary data for client-side flash message display. This targeted bug fix, implemented with JavaScript and HTML, improved feedback during asset uploads and reinforced a more consistent, API-driven workflow. The work demonstrated depth in frontend development and bug fixing, resulting in a more reliable and user-friendly asset management process.