During April 2026, Louis Janjigian enhanced the robustness of the FlightRecorder trace analyzer in the pytorch/pytorch repository by extending support for additional backend prefixes. He implemented a Python-only update that generalized profiling name handling, allowing the analyzer to correctly parse traces from new backends such as ncclx and gloo while preserving backward compatibility for existing prefixes. This work focused on backend development and testing, ensuring that cross-backend profiling could be performed with minimal risk to established workflows. By confining changes to Python code in types.py, Louis maintained system reliability and enabled smoother trace analysis across multiple distributed backends.