Jen Gorfine enhanced the accessibility of the dropdown component in the zendesk/copenhagen_theme repository by implementing ARIA attributes such as aria-expanded and aria-haspopup, improving state management, and updating related template files. Using HTML and JavaScript, Jen addressed ARIA state inconsistencies by ensuring proper initialization and dynamic updates of accessibility attributes within the Dropdown class. She expanded the test suite to validate accessibility behavior, focusing on keyboard and screen-reader usability. Jen also updated the build process to incorporate these changes, ensuring deployment reliability. Her work reduced accessibility defects and strengthened the overall user interface for Copenhagen Theme users during the project period.