The New Relic Synthetics team has released an update to the New Relic Synthetics runtime environment (0.6.x), incorporating Chrome 72, V8 engine v6.6, Node 10.15 LTS, and Selenium Webdriver 3.6.0, which helps modernize testing environments, increase speed, performance, and efficiency for customers. The update keeps pace with the latest web browser updates, allowing users to test their websites and applications using simple and scripted browser monitors. This new runtime environment also enables easier scripting of modern workflows, such as those used in React projects. With this update, Synthetics users can create monitors that closely align with the performance of Chrome 72, ensuring optimum page-load speed and performance. The update includes optimizations like V8 JavaScript engine v6.6, which improves performance and reduces response times for browsers and scripted monitors. Overall, the new runtime environment empowers customers to build modern, efficient monitors that align with the latest customer experiences.