During December 2025, Ie Pathos enhanced feature discovery in the rust-lang/cargo repository by implementing a fallback mechanism in the feature resolution flow. When users requested non-existent features without close matches, Cargo now lists all available features, improving discoverability and addressing a longstanding user experience issue. Ie Pathos preserved the existing closest-match logic to avoid regressions, ensuring normal resolution paths remained stable. The work involved robust error handling and comprehensive testing in Rust, with new tests codifying behavior for missing features and absence of suggestions. This approach strengthened both the reliability and maintainability of Cargo’s feature management system.