Firefox Developer Experience

  • Firefox WebDriver Newsletter 138

    Firefox WebDriver Newsletter 138

    Julian Descottes

    2025-04-29
    Release Notes, Remote Protocols, WebDriver BiDi, WebDriver Classic

    Install webextensions as temporary extension, new command line argument for Firefox and other updates…

  • Firefox DevTools Newsletter — 137

    Firefox DevTools Newsletter — 137

    Nicolas Chevobbe

    2025-04-29
    Developer Tools, Release Notes

    Network request override, early hints headers, font metadata and more

  • Network override in Firefox DevTools

    Network override in Firefox DevTools

    Julian Descottes

    2025-03-31
    Developer Tools

    In Firefox 137, you can directly set network response overrides in Firefox DevTools. Learn more about this new feature.

  • Firefox DevTools Newsletter — 136

    Firefox DevTools Newsletter — 136

    Nicolas Chevobbe

    2025-03-31
    Developer Tools, Release Notes

    lossless JSON parsing debugging, persisting Network Raw response setting, better Inspector autocomplete and more!

  • Firefox DevTools Newsletter — 135

    Firefox DevTools Newsletter — 135

    Nicolas Chevobbe

    2025-03-31
    Developer Tools, Release Notes

    CHIPS cookies, more requests and new console helper

  • Firefox DevTools Newsletter — 134

    Firefox DevTools Newsletter — 134

    Nicolas Chevobbe

    2025-03-29
    Developer Tools, Release Notes

    Debugger fixes and accessibility improvements

  • Firefox WebDriver Newsletter 137

    Firefox WebDriver Newsletter 137

    Alexandra Borovova

    2025-03-28
    Remote Protocols, WebDriver BiDi, WebDriver Classic

    New features for WebDriver BiDi in Firefox 137: commands to install/uninstall web extensions, support for containers with event subscriptions and more!

  • Firefox WebDriver Newsletter 136

    Firefox WebDriver Newsletter 136

    Julian Descottes

    2025-03-11
    Release Notes, Remote Protocols, WebDriver BiDi

    New features for WebDriver BiDi in Firefox 136: subscription IDs for better event management and support for containers with preload scripts!

  • WebDriver BiDi Becomes the Default for Cypress with Firefox

    WebDriver BiDi Becomes the Default for Cypress with Firefox

    Henrik Skupin

    2025-02-26
    Remote Protocols, WebDriver BiDi

    With the release of Cypress 14.1.0, WebDriver BiDi is now the default automation protocol for Firefox 135 and later.

  • Geckodriver 0.36.0 Released

    Geckodriver 0.36.0 Released

    Henrik Skupin

    2025-02-25
    Geckodriver, Release Notes, Remote Protocols, WebDriver Classic

    The latest geckodriver release adds support for Firefox Developer Edition’s default path on macOS, improves WebExtension handling, enhances crash reporting, and fixes WebAuthn command routing.

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