Ewan Harris focused on stabilizing API request formatting within the openfga/sdk-generator repository, addressing a critical issue in time-sensitive data transmission. He implemented a targeted bug fix that standardized date-time parameters to the ISO 8601 'O' format, ensuring consistent and reliable formatting across both path and query components for operations such as ReadChanges. This work involved deep integration with API request handling and required expertise in date formatting and SDK development, utilizing Mustache for code generation. Over the course of the month, Ewan’s contribution improved the reliability of API integrations, demonstrating careful attention to detail in backend data handling processes.