Worked on the opencast/opencast repository to enhance developer experience by addressing UI build reliability issues through improved documentation. Focused on creating a detailed guidance note in Markdown that explains how to configure the npm cache, aiming to prevent timeouts during UI module builds. This documentation update provided clear steps for contributors to optimize local development environments, reducing interruptions caused by npm package installation delays. The work emphasized developer experience and onboarding, ensuring new and existing contributors could build UI modules more efficiently. No bug fixes were required during this period, with efforts concentrated on documentation and process improvement using Markdown and npm.