Daniel Ehrenberg contributed to the tc39/agendas repository by developing structured documentation to support language design planning, specifically focusing on the goal of consensus layering. He created a planning milestone that formalized the “Things should layer” design objective, including session details, presenter information, and supporting slides, all captured in Markdown. This work established a repeatable process for documenting and aligning design discussions, enabling more efficient handoffs and clearer decision-making for future language proposals. Daniel’s approach emphasized process improvement and clarity, leveraging his skills in documentation and Markdown to standardize how design goals are communicated and tracked within the repository.