Featured Articles
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A cartoon intro to DNS over HTTPS
At Mozilla, we closely track threats to users' privacy and security. This is why we've added tracking protection to Firefox and created the Facebook container extension. In today's cartoon intro, Lin Clark describes two new initiatives we're championing to close data leaks that have been part of the domain name system since it was created 35 years ago: DNS over HTTPS, a new IETF standard, and Trusted Recursive Resolver, a new secure way to resolve DNS that we’ve partnered with Cloudflare to provide.
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Firefox OS Simulator – previewing version 3.0
Three months ago we were proud to release the 1.0 version of the Firefox OS Simulator. We’ve made a lot of progress since, and version 2.0 came out about a month ago (latest official version). Now, moving forward, we’d like to present and introduce you to a preview of the upcoming 3.0 version! We discussed […]
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Firefox 4 Beta 2 is here – Welcome CSS3 transitions
As we have explained before, Mozilla is now making more frequent updates to our beta program. So here it is, Firefox Beta 2 has just been released, 3 weeks after Beta 1. Firefox 4 Beta 1 already brought a large amount of new features (see the Beta 1 feature list). So what’s new for web […]
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Firefox Quantum Developer Edition: the fastest Firefox ever with Photon UI and better tooling
Firefox Quantum is now available in Developer Edition, and this Firefox is fast. Today’s release is a major milestone towards our next-generation browser, and includes Quantum CSS, Firefox's new CSS rendering engine; Photon, a major UI refresh; and lots more speed and features you've requested.
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Firebug 1.10 New Features
Firebug 1.10 has been released and so, let’s see what new features are introduced in this version. First of all, check out the compatibility table: Firefox 5.0 – 13.0 with Firebug 1.9 Firefox 13.0 – 16.0 with Firebug 1.10 Firebug 1.10 is true community achievement and so, let me also introduce all developers who contributed […]
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The Mozilla Developer Network has a New Face
Last summer the Mozilla Developer Network (MDN) underwent a massive platform change, moving from a hosted third-party solution to our own custom Django application code-named Kuma. That move laid the ground work for our latest major MDN upgrade: a complete front-end redesign, included many new features as well as usability and accessibility enhancements. Let me […]
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Reintroducing the Firefox Developer Tools, part 1: the Web Console and the JavaScript Debugger
This is part one, out of 5, focusing on the built-in Developer Tools in Firefox, their features and where we are now with them. The intention is to show you all the possibilities available, the progress and what we are aiming for. Firefox 4 saw the launch of the Web Console, the first of the […]
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Firefox 3.6 is here!
Firefox 3.6 has some cool consumer facing features like Personas and a better Plug-in Updater, but developers have a lot to be excited about too. Developers will appreciate the increased stability, especially the work done to prevent crashes with third party software. There are also enhancements like improved JavaScript performance and optimizations to speed up […]
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css gradients in Firefox 3.6
Firefox 3.6 includes many CSS improvements. In this post we’re going to show you how to use CSS gradients. If you are running the latest beta of Firefox 3.6, you should check out our interactive demo and take a look at the corresponding code. Use the radio buttons to switch different style options on or […]
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Firefox OS Simulator 1.0 is here!
Three weeks back, we introduced the Firefox OS Simulator, a tool that allows web developers to try out their apps in Firefox OS from the comfort of their current Windows/Mac/Linux computers. We’ve seen a number of comments from people who used the Simulator as an easy way to get a peek at Firefox OS today, […]