During January 2026, Jcoens contributed to the openai/codex repository by focusing on code maintenance and refactoring, specifically targeting code hygiene and long-term maintainability. Working primarily with Python, Jcoens identified and removed an outdated comment in the defs.bzl file that referenced a deprecated cargo_build_script, thereby clarifying the codebase and reducing potential confusion for future contributors. This non-functional change did not introduce new features but improved the overall readability and reviewability of the code. The work demonstrated attention to detail and a commitment to keeping the repository clean, supporting more efficient development and code reviews moving forward.