: This version helped standardize the WebDriver API that many developers still recognize today. How to Download and Set Up
The is a legacy version of the Selenium server infrastructure, released in late 2011. While modern Selenium 4.x has largely replaced it, this specific version remains a touchstone for developers maintaining older "Legacy" test suites or those working in environments restricted to older Java versions. What is Selenium Server Standalone? selenium-server-standalone-2.15.0.jar download
Since this is a legacy version, you won't find it on the main Selenium Downloads page, which prioritizes the latest stable releases. Getting started with Selenium Grid : This version helped standardize the WebDriver API
: Better compatibility with early versions of Chrome and the then-current Firefox versions. selenium-server-standalone-2.15.0.jar download