Worked on stabilizing exception handling and debugging workflows across the facebook/folly and facebookincubator/nimble repositories, focusing on maintaining compatibility during a period of symbolizer reference migrations. Using C++ and leveraging skills in dependency management and system programming, addressed two critical bugs by carefully reverting recent changes that disrupted established exception tracing and crash reporting pipelines. This approach restored proven workflows and minimized regression risk, ensuring that existing tracing dependencies remained functional. The work emphasized disciplined rollback practices and code hygiene, validating that debugging and instrumentation processes continued to operate reliably across both repositories without introducing new features during the month.