During November 2024, Eightfilms focused on optimizing the build system for the 0xPolygonMiden/miden-base repository. They addressed a persistent issue where the build script would always trigger, regardless of actual changes, by refining the rerun-if-changed directives related to kernel error files. Using Rust and build scripting expertise, Eightfilms ensured that incremental builds now only occur when meaningful inputs are modified, reducing unnecessary rebuilds and conserving CI resources. This targeted fix improved developer velocity and reliability of the build process. The work demonstrated a thoughtful approach to build automation, emphasizing efficiency and correctness in Rust-based development environments.