During December 2024, this developer focused on upgrading the GraphQL Upload library within the grafana/k6-DefinitelyTyped repository to version 17.0 and above. The work centered on enhancing type safety and long-term maintainability by removing deprecated exports and refining imports to use type-only syntax in TypeScript. By aligning the repository with the latest GraphQL tooling, the upgrade reduced runtime risks and improved compatibility for downstream consumers. The approach emphasized disciplined dependency management and code health, leveraging skills in API development, Node.js, and TypeScript. No major bug fixes were required, as efforts targeted proactive improvements to reliability and future-proofing.