During their work on the alibaba/fastjson2 repository, the developer focused on improving the accuracy of JSONB parsing configuration documentation. They identified and corrected a mismatch between the documented and actual configuration options, updating the example to use the correct JSONReader.Feature, SupportArrayToBean, instead of SupportBeanArrayMapping. This change clarified the intended usage for developers integrating JSONB parsing, reducing the risk of misconfiguration and support issues. The work was implemented in Java and centered on documentation skills, ensuring that the documentation now accurately reflects the code’s behavior. The update enhanced the developer experience by aligning technical guidance with implementation details.