Diego Molina, a key figure in the Selenium project, discussed the evolution of web testing at the Testµ conference, emphasizing the necessity for testing practices to adapt alongside the web's development. He highlighted the advancements in Selenium 4, which took three years of development and included over 4,000 commits, and explained its role in modern testing landscapes. Molina detailed the transition from static websites to interactive applications and the emergence of web frameworks that facilitate testing at various levels, such as Model View Controller, APIs, and frameworks like Ember and Angular. He stressed the importance of using multiple testing tools rather than relying solely on end-to-end solutions, advocating for a layered approach to testing that includes functional, API, browser, and component tests. The session also covered new Selenium features, such as relative locators and network interception, and Molina discussed the Selenium Grid's current capabilities and future enhancements, including dynamic scaling and Kubernetes integration. He concluded by encouraging collaboration within the WebDriver community and suggested using diverse projects if Selenium alone is insufficient for specific testing needs.