Contributed an update to the mdn/browser-compat-data repository by adding support information for the CSS import attribute in Deno, reflecting its availability in version 2.9. This work involved modifying JSON compatibility data to accurately represent the new feature, ensuring that documentation remains current for developers referencing Deno’s front end capabilities. The update was delivered as part of a collaborative pull request, focusing on precise data representation rather than bug fixes. Leveraging skills in JavaScript and front end development, the contribution enhanced the repository’s utility for the web platform community by clarifying Deno’s evolving support for CSS import attributes.