Firefox Developer Experience

WebDriver is a remote control interface that enables introspection and control of user agents. As such, it can help developers…

Firefox 152 adds Private Browsing support for extension installs, enforces screenshot dimension limits, improves download behavior, and fixes navigation error reporting.

Firefox 151 adds window management support, worker realms, enhanced touch pointer angle simulation, and several bug fixes for WebDriver BiDi and Marionette.

Firefox 150 adds offline network emulation, improves header handling and logging behavior, and fixes issues with downloads, viewport races, and shadow DOM handling.

WebDriver updates for Firefox 149: a new command to control downloads, realm events for workers, and various fixes for WebDriver BiDi and Marionette.

WebDriver updates for Firefox 147: New file dialog event, screen dimension emulation, CSP bypass for script commands.

WebDriver BiDi updates in Firefox 146 include improvements to our emulation and network features, as well as a new locator type. And still a few fixes for WebDriver Classic / marionette.