During September 2025, Kamal focused on backend development and API design for the apache/arrow repository, addressing a targeted bug in the Python API. Kamal restored the FileSystem.from_uri method to a static method, correcting its prior misuse as an instance method and ensuring alignment with the documented interface. This change improved API stability and reduced integration risks for downstream users. Working primarily with Python and Cython, Kamal delivered a minimal-surface fix that restored expected user-facing behavior and enhanced reliability for both users and internal clients. The work demonstrated careful attention to API correctness and regression management within a complex codebase.