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
Improving DNS Privacy in Firefox
Domain Name Service (DNS) is one of the oldest parts of internet architecture, and remains one that has largely been untouched by efforts to make the web safer and more … Read more
These Weeks in Firefox: Issue 39
Highlights A new bookmark sync blog post is up. Want to help us test the new syncing backend? Please flip it on in Beta or Nightly, try it out, and … Read more
These Weeks in Firefox: Issue 38
Highlights The tab hiding WebExtension API is now enabled by default in 61 If you miss Tab Groups, try this WebExtension mstriemer made it so we show a doorhanger the … Read more
Deep Dive: New bookmark sync in Nightly
For the last two years, the Firefox Sync team has been hard at work improving bookmarks on all our platforms. Last year, we added support for uploading bookmarks to Firefox for … Read more
These Weeks in Firefox: Issue 37
Highlights Outreachy internships and GSoC projects have been announced! You can find our Outreachy interns here Google Summer of Code projects An Intent to Ship for tab warming on Windows … Read more
These Weeks in Firefox: Issue 36
Highlights We removed XUL overlays, a legacy add-on technology. This allowed us to get rid of a bunch of old, complex code. We pushed a bunch of updates to the … Read more
Improving DevTools’ performance, one iteration at a time
Firefox Quantum, released last November, was a very important milestone for Firefox. Huge performance gains were achieved by replacing parts of the engine with bits of Servo, written in Rust. … Read more
These Weeks in Firefox: Issue 35
Highlights Activity Stream now lets you set a custom thumbnail for Top Sites! The doorhanger for an extension-controlled homepage now links to a SUMO article, and the doorhanger for an … Read more