During October 2025, Z focused on enhancing prompt engineering for the zed-industries/zed repository by refining the Inline Assistant’s prompt to reduce XML noise. By targeting unnecessary XML tags and markup, Z improved the quality of content generated by smaller language models, addressing a common issue with extraneous output. The solution was implemented in JavaScript and HTML, leveraging skills in AI integration and natural language processing to ensure more reliable and readable results. This targeted change, tracked in a single commit, laid the groundwork for smoother future optimizations and contributed to more efficient prompt engineering within the project’s codebase.