During January 2025, Komiyama delivered a targeted refactor for the aws/smithy-go repository, focusing on modernizing IO operations in Go. By replacing deprecated ioutil functions with their io package equivalents, Komiyama improved the codebase’s compatibility with current and future Go toolchains. This work addressed technical debt and enhanced maintainability, making the project more accessible for new contributors. The refactor was implemented as a single, isolated commit, minimizing risk and simplifying code review. Utilizing Go, software refactoring, and unit testing skills, Komiyama’s contribution laid a solid foundation for future upgrades and ensured smoother, more reliable IO-bound operations within smithy-go.