Hubert enhanced developer documentation for the quarkiverse/quarkus-langchain4j repository by introducing an advanced usage section focused on integrating OpenAI models with Azure OpenAI. Using AsciiDoc and leveraging his technical writing skills, he updated the azure-openai-chat-model.adoc file to align guidance with current OpenAI documentation, providing practical usage patterns and direct reference links. This targeted documentation update aimed to reduce onboarding time and support queries for developers adopting OpenAI-based chains within Quarkus. Hubert’s work demonstrated depth in understanding both the technical integration points and the documentation needs, resulting in clearer guidance and a smoother integration experience for new users.