In the past, Selenium users had to manually download a specific driver version that matched their installed browser. If your browser updated automatically, your tests would break until you manually downloaded the new driver. A Web Driver Manager solves this by: webdriver-manager - PyPI
The phrase refers to obtaining a utility that automates the management of browser drivers (like chromedriver.exe or geckodriver ) for Selenium automation. Instead of manually downloading a ZIP file from a website, these managers are typically "downloaded" as code dependencies through package managers like pip , Maven , or NuGet . Why You Need a Web Driver Manager web driver manager download