Ed Shelley worked on the RevenueCat/purchases-js repository, focusing on front end development to enhance the checkout experience. During the month, Ed delivered a targeted feature that updated the checkout success page, replacing the term 'plan' with 'subscription' to ensure consistent terminology throughout the user journey. This change aimed to improve post-purchase clarity for users by unifying language across the checkout flow. The implementation was carried out using JavaScript, with careful attention to UX copy alignment and traceability through version control. Ed’s work addressed a specific user experience issue, demonstrating attention to detail and a methodical approach to front end improvements.