Worked on the microsoft/CsWin32 repository to enhance JSON processing reliability by upgrading the JSON library to System.Text.Json version 8.0.5. Focused on .NET development and package management, the work involved a targeted update that improved serialization and deserialization capabilities for modern JSON payloads. The upgrade was delivered in a single, well-documented commit, ensuring compatibility with existing consumers and continuous integration pipelines. By leveraging XML for configuration and maintaining a stable foundation, the changes reduced the risk of runtime serialization errors and prepared the codebase for future JSON-driven features, supporting downstream interoperability and ongoing performance improvements within the project.