During their two-month contribution to alibaba/loongsuite-python-agent, Ziborev focused on backend instrumentation and observability improvements using Python, FastAPI, and Flask. They resolved a memory leak in FastAPI instrumentation by refactoring app tracking to use WeakSet and enhancing garbage collection-based testing, which improved stability and maintainability. In the following month, Ziborev updated the OpenTelemetry Flask integration to align with current semantic conventions, replacing deprecated SpanAttributes and ensuring compatibility with modern OpenTelemetry collectors. Their work included thorough documentation updates, code formatting, and linting, reflecting a methodical approach to code quality and long-term maintainability in backend observability tooling.