During October 2024, Ghertault focused on security and stability improvements for the vercel/ai repository, specifically targeting the Amazon Bedrock integration. He upgraded the AWS SDK to a safer version using Node.js and TypeScript, addressing a critical security vulnerability and ensuring ongoing compatibility with provider functionality. This maintenance update did not introduce new user-facing features but prioritized risk reduction and reliability, supporting safer production workflows for Bedrock users. Ghertault’s work demonstrated a strong understanding of full stack development and cloud SDK management, delivering depth in security hardening and maintainability for the codebase while preserving stability across deployment environments.