During October 2025, Lyndon White contributed to the JuliaLang/julia repository by addressing missing-type handling in core numerical functions. Focusing on real, complex, and float operations, they refactored and simplified the logic for unitary function return types when applied to Union types that include Missing. This work, implemented in Julia and leveraging expertise in numerical computing and type systems, improved type stability and correctness for computations involving missing data. By aligning the changes with issue #53616, Lyndon enhanced the reliability of numerical operations, reducing edge cases for users and ensuring that results involving missing values are handled consistently and predictably.