During November 2025, 24amtics375 developed Undo and Redo functionality for graph edits in the TuringLang/JuliaBUGS.jl repository, focusing on enhancing the DoodleBUGS user experience. They introduced a command-history and state-stack mechanism to track and efficiently revert changes to graph elements, enabling auditable state changes and streamlined error recovery. This approach improved collaboration and reliability in graph modeling workflows by reducing the risk associated with editing. The implementation leveraged Vue for the front end, with JavaScript and state management techniques to ensure seamless integration. The work demonstrated depth in managing complex state transitions and integrating robust version control practices.