Worked on the AFLplusplus/LibAFL repository to address a timing accuracy issue in objective statistics tracking. Focused on system programming with Rust, the developer delivered a targeted bug fix that ensures the last_objective_time field is updated correctly whenever the objective size changes. By invoking current_time() within the update_objective_size function, the solution guarantees that timestamps accurately reflect the most recent modification of objective-related metrics. This change improved the reliability of performance analytics and benchmarking within the codebase. The work demonstrated careful attention to timing semantics and was implemented with minimal disruption to the existing API and overall system architecture.