During June 2026, this developer enhanced the never_loop lint within the rust-lang/rust repository by introducing diagnostic notes for cases of non-obvious divergence. Working primarily in Rust and focusing on static analysis and linting, the update improved the clarity of compiler diagnostics for divergent expressions, making it easier for contributors to identify and understand problematic code paths. The approach maintained existing performance characteristics, ensuring compilation times were unaffected while increasing maintainability. By aligning with Rust’s emphasis on actionable diagnostics, the work reduced debugging time and streamlined the CI review process, ultimately supporting a smoother onboarding experience for new contributors.