Corey Leoc focused on improving developer onboarding and CI efficiency across the neovim/neovim and lockbook/lockbook repositories. He authored detailed Windows Subsystem for Linux build instructions for Neovim, addressing PATH conflicts and clarifying prerequisites to streamline cross-platform setup. For Lockbook, Corey enhanced build documentation for both Windows and egui clients, reducing ambiguity and accelerating local development. He also optimized CI workflows by disabling unnecessary monitor and integration checks on forks, conserving resources and preventing redundant runs. His work leveraged Bash, YAML, and GitHub Actions, demonstrating a methodical approach to documentation, build systems, and CI/CD practices within collaborative open-source environments.