Over a two-month period, P.J.E. contributed targeted engineering work to the ScoopInstaller/Extras and jdx/mise repositories, focusing on reliability and maintainability. In ScoopInstaller/Extras, he implemented version-specific hash extraction for Visual Studio Code updates, aligning hash retrieval with version metadata to prevent update failures. For jdx/mise, he addressed cross-platform scripting issues by fixing shell quoting and NUL handling in documentation and ensuring correct Windows Bash command execution by appending the .exe extension. His work demonstrated proficiency in Rust, shell scripting, and Windows API, delivering robust solutions that improved update reliability and cross-platform tooling stability without introducing unnecessary complexity.