Shasha delivered a targeted code quality upgrade for the Homebrew/homebrew-core repository, focusing on improving Kotlin linting and formatting. By upgrading ktlint to version 1.8.0, Shasha enhanced the consistency and maintainability of Kotlin files, reducing style drift and supporting faster onboarding for new contributors. The work centered on a single, well-scoped commit that integrated updated linting rules directly into the repository’s continuous integration pipeline. Leveraging skills in Kotlin, Ruby, and package management, Shasha’s contribution addressed code quality at the tooling level, ensuring formatting issues are caught early and strengthening the reliability of automated checks for ongoing development.