Selenium Grid 4 is a ground-up rewrite from previous versions. In addition to a comprehensive set of improvements to performance and standards compliance, the different functions of the grid were broken out to reflect a more modern age of computing and software development. Purpose-build for containerization and cloud-distributed scalability, Selenium Grid 4 is a wholly new solution for the modern era. Router The Router is the entry point of the Grid, receiving all external requests, and forw...