Worked on the gleam-lang/stdlib repository to enhance the robustness of IO utilities across different environments. Addressed a browser and bundler compatibility issue by updating the io.print function to guard against the absence of process.stdout.write, thereby preventing runtime errors when used outside of Node.js. This solution improved the library’s reliability for web and bundler contexts. The work involved JavaScript and Node.js, with careful documentation updates in Markdown to clearly communicate the stability improvements. The approach focused on cross-environment compatibility, ensuring that the standard library’s IO features function consistently regardless of the execution context or platform.