Jamie Wilkinson focused on stabilizing the alphagov/forms-e2e-tests repository by rolling back the Check submission status feature in response to evolving requirements and technical issues. Using Ruby and Shell scripting, Jamie removed the environment variable for the submission status API secret and eliminated the check_file_upload_submission helper method, simplifying the codebase and reducing potential sources of error. The rollback was executed in a single, controlled commit to maintain continuous integration stability and minimize risk. Jamie documented the rationale behind these changes, ensuring future maintainers understand the context. This work demonstrated careful attention to project priorities and a methodical approach to codebase maintenance.