In April 2025, Oliver Dunk developed a Browser Extensions Management API for the puppeteer/puppeteer repository, enabling automated installation and removal of Chrome extensions through new methods on the Browser class. He approached the task with a focus on API development and browser automation, using JavaScript and TypeScript to ensure seamless integration and reliability. Oliver updated documentation to clarify usage and Chrome-specific requirements, supporting consistent extension workflows in automated testing environments. By expanding automated test coverage and enabling CI validation of extension behavior, his work reduced manual setup, improved QA feedback, and established a repeatable pattern for extension-based end-to-end testing.