In May 2025, Yunfan Chen enhanced the google/perfetto repository by introducing InsetsProto, a dedicated protocol buffer for handling trace insets data. This update replaced a less specific type, improving type safety and clarity throughout the tracing pipeline. Yunfan updated both build systems and proto definitions to support the new schema, ensuring that insets data is now standardized and easier to analyze in future development. The work demonstrated a focused application of Protocol Buffers and build system expertise, laying a foundation for safer data handling and more robust analytics on trace insets, though the scope was limited to a single feature enhancement.