During August 2025, S. Green contributed to the JanProvaznik/msbuild repository by delivering a targeted performance optimization for CPS project initialization. Green focused on reducing startup overhead in C# build systems by removing the explicit population of EvaluatedItemElements within CPS constructors, instead leveraging existing mechanisms to handle item elements. This approach preserved functional correctness while improving startup responsiveness for CPS-based projects, directly supporting faster iteration cycles for developers. The work demonstrated a solid understanding of build system internals and software engineering principles, addressing a specific performance bottleneck and linking the change to ongoing project tracking for maintainability and review within the repository.