During October 2025, Stemlaud focused on enhancing code quality and maintainability across several open-source repositories, including kaiachain/kaia, filecoin-project/lotus, and erigontech/erigon. He refactored blockchain state management in Go by replacing manual map copying with the standard library’s maps.Copy, reducing the risk of subtle bugs and improving code readability. Stemlaud also improved documentation and comment clarity in Python and TypeScript projects such as nicholasyoder/rotki and smartcontractkit/external-adapters-js, addressing grammar and formatting issues. His work emphasized code cleanup, documentation hygiene, and cross-repository refactoring, contributing to long-term stability and developer efficiency without introducing new features or bug fixes.