During March 2026, Jeffrey Zhang contributed to the sympy/sympy repository with a focus on repository hygiene and documentation accuracy. He updated the .mailmap file to consolidate author names and emails, ensuring coherent attribution in Git logs and improving the integrity of the project’s history. Additionally, Jeffrey corrected a documentation typo in a TypeError example, reducing potential confusion for users referencing the code. His work involved Python, Markdown, and git, demonstrating attention to detail in both code and documentation. The contributions addressed both technical and process-oriented issues, reflecting a methodical approach to maintaining code quality and accurate project records.