During July 2025, contributed to the thingsboard/langchain4j repository by upgrading the OpenAI Java client library to version v2.13.1 within the langchain4j-open-ai-official package. This work focused on enhancing dependency management and Java integration to support the latest OpenAI API features and security updates. The approach included simplifying embedding data processing by converting embeddings from double to float, which reduced memory usage and improved throughput for AI workflows. No bug fixes were recorded during this period, but the feature delivered improved reliability and maintainability for AI-driven applications, demonstrating a focus on performance optimization and long-term code sustainability.