During February 2026, Justin Espedal contributed to the HaxeFoundation/haxe repository by simplifying backend code written in OCaml. He focused on removing an obsolete Unix function backport that had become unnecessary due to recent OCaml updates. This change reduced maintenance overhead and streamlined the codebase, particularly in areas handling path resolution for external processes. By eliminating redundant Unix call flows, Justin improved the maintainability and clarity of the backend logic. His work demonstrated a solid understanding of OCaml and backend development, addressing technical debt and aligning the project with upstream language improvements, though the scope was limited to a single targeted feature.