During March 2026, Malte contributed to the temporalio/sdk-core repository by optimizing the Prometheus dependency footprint. He addressed the issue of unnecessary transitive dependencies by disabling default features for the Prometheus crate, thereby preventing the inclusion of protobuf and reducing the overall dependency surface. This change improved build performance and minimized the risk of protobuf-related issues in the project. Malte implemented this solution using Rust and managed dependencies through TOML configuration. The work demonstrated a focused approach to dependency management, delivering a targeted feature that enhanced maintainability and efficiency without introducing new bugs or requiring extensive code changes.