Inflation strikes again, but this time you might actually like it! The console already had $() and $$(), Firefox Nightly 🔥, now has $$$(), which returns an array of nodes matching the selector, including those in the ShadowDOM. This should make working with Web Components easier 🙂

Performance and stability are on the menu for the last (and short) newsletter of the year: fxdx.dev/firefox-devtoo… #webdev #js #html

First WebDriver updates for 2025 with the release of Firefox 134! Checkout the release notes at fxdx.dev/firefox-webdri… with a new WebDriver BiDi command for browser windows, additional fields in our network events and better addons support in Marionette.

Discover the latest WebDriver updates in Firefox 135 release! Learn about improved user interaction simulations and new screenshot capabilities. Read more at fxdx.dev/firefox-webdri… 🚀

Geckodriver 0.36.0 is here! 🚀 Improved WebExtension support, precise pointer move actions, better crash handling & fixed WebAuthn endpoints

Cypress 14.1.0 now defaults to WebDriver BiDi for Firefox 135+. A major step in modernizing browser automation! fxdx.dev/webdriver-bidi… #WebDriverBiDi #Firefox

New features for WebDriver BiDi in Firefox 136: subscription IDs for better event management and support for containers with preload scripts! More details at fxdx.dev/firefox-webdri… 🚀 #Firefox #WebDriver

New for WebDriver BiDi in Firefox 137: commands to install/uninstall web extensions, support for containers with event subscriptions and more at fxdx.dev/firefox-webdri…

With Firefox 🔥 138 just around the corner, did you noticed some of the changes we made in 137? Find out in our latest blog post: fxdx.dev/firefox-devtoo… #devtools #html #css #js #network

CDP is removed in Firefox 141 in favor of WebDriver BiDi. For details see fxdx.dev/cdp-retirement… #Firefox #WebDev

Firefox 139 introduces geolocation override via WebDriver BiDi! Now you can easily test location-aware features: fxdx.dev/firefox-webdri… #Firefox #WebDriver #WebDev

Oops, we forgot to share the WebDriver news for Firefox 138! WebDriver BiDi now lets you install unsigned extensions and allows to set a default viewport for user contexts: fxdx.dev/firefox-webdri… #Firefox #WebDriver #WebDev

State of CSS 2025 is now open: stateofcss.com Browser vendors use the results of 'State of' surveys to help prioritize the features to work on. If you care about CSS, please take some time to answer it, and help shape the future of the language

🦊 In Firefox 140, WebDriver BiDi allows to override certificates security settings per container and supports a new "navigationCommitted" event. This release also brings a few fixes for action simulation. More details at fxdx.dev/firefox-webdri… 🚀

A little while ago I added a little quality of life feature to Firefox DevTools . Now the network filter query persists between devtools instances! (you used to have to type it out every time) ticket: bugzilla.mozilla.org/show_bug.cgi?i… before & after: