During October 2024, Frederic Wantiez focused on stabilizing the BootstrapFilter component within the TuringLang/SSMProblems.jl repository. He addressed a regression by reverting a previous refactor, restoring correct type instantiation and initialization for the BootstrapFilter constructor. His work involved careful code refactoring and adjustments to import handling, particularly around the rand function, to ensure consistent behavior across different environments. By prioritizing reliability and maintainability, Frederic improved the reproducibility of the bootstrap workflow. His contributions demonstrated depth in Julia programming and software engineering, emphasizing robust software design practices to reduce the risk of future regressions in the SSMProblems.jl codebase.