Zack Och focused on enhancing the stability and cross-platform reliability of the google-gemini/gemini-cli project during February 2026. He addressed a persistent Windows-specific issue where spawnSync would throw EINVAL errors when invoked from .cmd editors, resolving it by enabling the shell option for process spawning. This technical adjustment, implemented in TypeScript, improved the CLI tool’s compatibility for Windows users and reduced user-reported failures. Zack’s work emphasized CLI development and cross-platform compatibility, with explicit commit documentation to support future debugging and audits. While no new features were released, his targeted bug fix contributed to a more robust and maintainable codebase.