The Developer Toolbar (or GCLI) is no longer in DevTools
The DevTools GCLI has been removed from the Firefox codebase (bug), which roughly translates into 20k less lines of code to think about, and the associated tests which are not … Read more
These Weeks in Firefox: Issue 45
Highlights We released two blog posts that outline our product and platform strategy against trackers and other annoyances: Changing Our Approach to Anti-tracking Why we need better tracking protection Also … Read more
Developer Tools support for Web Components in Firefox 63
Shadow DOM and Web Components are enabled by default in Firefox 63 and the Developer Tools are ready for them ! If you are using Web Components in your project, … Read more
These Weeks in Firefox: Issue 44
Highlights We added more of an explanation to the Symantec distrust cert errors. Speaking of certificates, April King created an add-on for viewing security certificate details called Certainly Something. Requires … Read more
Firefox Nightly Secure DNS Experimental Results
A previous post discussed a planned Firefox Nightly experiment involving secure DNS via the DNS over HTTPS (DoH) protocol. That experiment is now complete and this post discusses the results. … Read more
These Weeks in Firefox: Issue 43
Highlights Today is the last day for Outreachy interns and GSoC students. Thank you for all your contributions! 🎉 The Tracking Protection UI has been replaced with our new “Content … Read more
Screenshots from the Console
Firefox DevTools has now added a screenshot command, so you can take screenshots directly from the Console (bug #1464461). To access the command, open the Web Console via Tools → … Read more
These Weeks in Firefox: Issue 42
Highlights New Onboarding experience in Firefox 62 currently only as an experiment. The new about:policies helps administrators verify if they have configured policies correctly, learn more about the different policies, … Read more
Symantec Distrust in Firefox Nightly 63
As of today, TLS certificates issued by Symantec are distrusted in Firefox Nightly. You can learn more about what this change means for websites and our release schedule for that … Read more
These Weeks in Firefox: Issue 41
Highlights Multi-select tabs have been enabled by default on Nightly! Use Ctrl/Cmd-Click to select individual tabs, or Shift-Click to select a range, and then right click to perform operations on … Read more
These Weeks in Firefox: Issue 40
Highlights Nightly builds of Focus / Klar (with GeckoView) are now available! Introducing Firefox Monitor, a new security tool we’re testing to help keep track of data breaches on the … Read more
Protecting Your Privacy in Firefox Pre-Release
As a matter of principle, we’ve built Firefox to work without collecting information about the people who use it and their browsing habits. Operating in this way is the right … Read more