Yindusu focused on improving the reliability and security of BPM detection in the audacity/audacity repository during February 2025. Their work addressed a known vulnerability by replacing assertions with runtime exception handling in C++, specifically targeting invalid sample rates that previously caused crashes. By implementing robust error handling paths, Yindusu reduced the crash surface and enhanced the stability of the audio processing pipeline. Although no new features were introduced, the depth of their contribution lay in strengthening the codebase against malformed inputs. This work demonstrated strong skills in C++ development, audio processing, and defensive programming, resulting in a more resilient application.