Worked on the google/flax repository to enhance the clarity and usability of the nnx.to_arrays function by improving its documentation, specifically around the allow_duplicates argument. Focused on aligning the public documentation with the actual Python implementation, the work included adding detailed examples and guidance to help developers understand how duplicate array references are handled. This documentation update aimed to reduce integration risks and streamline onboarding for new contributors, without introducing any code-level changes or bug fixes. Emphasized best practices in software development and documentation, ensuring that the technical details were accessible and accurately reflected the function’s intended behavior.