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Markus v2.0.0 released! Better metrics API for Python projects.

Markus v2.0.0 released! Better metrics API for Python projects.

Thu, 19 Sep 2019 13:00:00 GMT

Moving Firefox to a faster 4-week release cycle

Editor’s Note: Wednesday, 10:40am PT. We’ve updated this post with the following correcti

Tue, 17 Sep 2019 15:10:30 GMT

Trabant Calculator - A data visualization of TreeHerder Jobs durations

Trabant Calculator - A data visualization of TreeHerder Jobs durations

Tue, 17 Sep 2019 15:04:44 GMT

Governments should work to strengthen online security, not undermine it

Governments should work to strengthen online security, not undermine it

Mon, 16 Sep 2019 21:24:50 GMT

Firefox’s Test Pilot Program Returns with Firefox Private Network Beta

Like a cat, the Test Pilot program has had many lives. It originally started as an Add-on before we r

Tue, 10 Sep 2019 13:00:16 GMT

Firefox’s Test Pilot Program Returns with Firefox Private Network Beta

Firefox’s Test Pilot Program Returns with Firefox Private Network Beta

Tue, 10 Sep 2019 13:00:16 GMT

Caniuse and MDN compatibility data collaboration

Web developers spend a good amount of time making web compatibility decisions. Deciding whether or no

Mon, 09 Sep 2019 15:59:13 GMT

What’s next in making Encrypted DNS-over-HTTPS the Default

What’s next in making Encrypted DNS-over-HTTPS the Default

Fri, 06 Sep 2019 18:10:18 GMT

Visual Studio Code auto-complete displays MDN reference for CSS and HTML tags

Visual Studio Code auto-complete displays MDN reference for CSS and HTML tags

Fri, 06 Sep 2019 11:25:48 GMT

Debugging TypeScript in Firefox DevTools

Firefox Debugger has evolved into a fast and reliable tool chain over the past several months and it’

Thu, 05 Sep 2019 14:49:58 GMT

Debugging WebAssembly Outside of the Browser

WebAssembly has begun to establish itself outside of the browser via dedicated runtimes like Mozilla’

Wed, 04 Sep 2019 14:31:06 GMT

Recommended Extensions program—where to find the safest, highest quality extensions for Firefox

Recommended Extensions program—where to find the safest, highest quality extensions for Firefox

Tue, 03 Sep 2019 16:00:58 GMT

Firefox 69 — a tale of Resize Observer, microtasks, CSS, and DevTools

For our latest excellent adventure, we’ve gone and cooked up a new Firefox release. Version 69 featur

Tue, 03 Sep 2019 14:15:07 GMT

Firefox 69 — a tale of Resize Observer, microtasks, CSS, and DevTools

Firefox 69 — a tale of Resize Observer, microtasks, CSS, and DevTools

Tue, 03 Sep 2019 14:15:07 GMT

A case study in analyzing C++ compiler errors: why is the compiler trying to copy my move-only object?

A case study in analyzing C++ compiler errors: why is the compiler trying to copy my move-only object

Tue, 03 Sep 2019 14:00:06 GMT

Today’s Firefox Blocks Third-Party Tracking Cookies and Cryptomining by Default

Today, Firefox on desktop and Android will — by default — empower and protect all our users by blocki

Tue, 03 Sep 2019 13:00:27 GMT

Today’s Firefox Blocks Third-Party Tracking Cookies and Cryptomining by Default

Today’s Firefox Blocks Third-Party Tracking Cookies and Cryptomining by Default

Tue, 03 Sep 2019 13:00:27 GMT

The deformed yet thoughtful offspring of AppleScript and Greasemonkey

The deformed yet thoughtful offspring of AppleScript and Greasemonkey

Mon, 02 Sep 2019 20:15:00 GMT

The Baseline Interpreter: a faster JS interpreter in Firefox 70

IntroductionModern web applications load and execute a lot more JavaScript code than they did just a

Fri, 30 Aug 2019 14:56:47 GMT

The Baseline Interpreter: a faster JS interpreter in Firefox 70

The Baseline Interpreter: a faster JS interpreter in Firefox 70

Fri, 30 Aug 2019 14:56:47 GMT

WebAssembly Interface Types: Interoperate with All the Things!

People are excited about running WebAssembly outside the browser. That excitement isn’t just ab

Wed, 21 Aug 2019 16:02:11 GMT

WebAssembly Interface Types: Interoperate with All the Things!

WebAssembly Interface Types: Interoperate with All the Things!

Wed, 21 Aug 2019 16:02:11 GMT

Using WebThings Gateway notifications as a warning system for your home

Ever wonder if that leaky pipe you fixed is holding up? With a trip to the hardware store and a Mozil

Thu, 15 Aug 2019 14:49:58 GMT

New CSS Features in Firefox 68

Firefox 68 landed earlier this month with a bunch of CSS additions and changes. In this blog post we

Wed, 31 Jul 2019 14:00:08 GMT

WebThings Gateway for Wireless Routers

Wireless RoutersIn April we announced that the Mozilla IoT team had been working on evolving WebThing

Thu, 25 Jul 2019 15:43:14 GMT

MDN’s First Annual Web Developer & Designer Survey

Today we are launching the first edition of the MDN Developer & Designer Needs Survey. Web develo

Tue, 16 Jul 2019 15:04:23 GMT

Add-Ons Outage Post-Mortem Result

Editor’s Note: July 12, 1:52pm pt – Updated Balrog update frequency and added some more b

Fri, 12 Jul 2019 16:08:26 GMT

Testing Picture-in-Picture for videos in Firefox 69 Beta and Developer Edition

Editor’s Note: We updated this post on July 11, 2019 to mention that the Picture-in-Picture feature i

Wed, 10 Jul 2019 12:29:05 GMT

Firefox 68: BigInts, Contrast Checks, and the QuantumBar

Firefox 68 is available today, featuring support for big integers, whole-page contrast checks, and a

Tue, 09 Jul 2019 14:35:15 GMT

GeckoView in 2019

Last September we wrote about using GeckoView to bring Firefox’s rendering engine to Android as a reu

Thu, 27 Jun 2019 16:02:37 GMT

How accessibility trees inform assistive tech

The web is accessible by default. It was designed with features to make accessibility possible, and t

Wed, 26 Jun 2019 13:09:35 GMT

View Source 5 comes to Amsterdam

Mozilla’s View Source Conference is back for a fifth year, this time in Amsterdam, September 30 ̵

Wed, 19 Jun 2019 14:35:09 GMT

CSS Scroll Snap Updated in Firefox 68

When Firefox 68 goes to general release next month, it will ship with an updated CSS Scroll Snap spec

Tue, 18 Jun 2019 13:59:29 GMT

CSS Grid Level 2 – subgrid is coming to Firefox

The subgrid feature of the CSS Grid Specification is not yet shipping in any browser, but is now avai

Wed, 05 Jun 2019 19:44:53 GMT

Indicating focus to improve accessibility

It’s a common, but fairly easy-to-fix accessibility issue: lack of indicating focus. In this po

Tue, 04 Jun 2019 14:09:43 GMT

The web the world needs can be ours again, if we want it

People everywhere are demanding basic consumer protections. We want our food to be healthy to eat, ou

Tue, 04 Jun 2019 13:05:37 GMT

When it comes to privacy, default settings matter!

What if I told you that on nearly every single website you visit, data about you was transmitted to d

Tue, 04 Jun 2019 13:00:26 GMT

Beaker Browser Dev

Why bother with P2P when you still need to guarantee uptime?

Why bother with P2P when you still need to guarantee uptime?

Mon, 22 Oct 2018 05:00:00 GMT

Recurse Center Day 6: Raft's Safety Argument and Cryptopals Round 2

Recurse Center Day 6: Raft's Safety Argument and Cryptopals Round 2

Mon, 03 Oct 2016 00:00:00 GMT

WebKit Dev

Release Notes for Safari Technology Preview 92

Safari Technology Preview Release 92 is now available for download for macOS Mojave and the macOS Cat

Wed, 18 Sep 2019 17:30:58 GMT

Michael Catanzaro: Epiphany Technology Preview Users: Action Required

Michael Catanzaro: Epiphany Technology Preview Users: Action Required

Wed, 18 Sep 2019 14:19:40 GMT

WebGPU and WSL in Safari

WebGPU is a new API being developed by Apple and others in the W3C which enables high-performance 3D

Thu, 12 Sep 2019 17:00:42 GMT

Michael Catanzaro: WebKit Vulnerabilities Facilitate Human Rights Abuses

Michael Catanzaro: WebKit Vulnerabilities Facilitate Human Rights Abuses

Sun, 08 Sep 2019 17:32:39 GMT

Release Notes for Safari Technology Preview 91

Safari Technology Preview Release 91 is now available for download for macOS Mojave and the macOS Cat

Wed, 04 Sep 2019 17:00:52 GMT

How Web Content Can Affect Power Usage

@media (prefers-color-scheme:dark) { figure picture img { filter: none; } }Users spend a large propor

Tue, 27 Aug 2019 17:00:58 GMT

Release Notes for Safari Technology Preview 90

Safari Technology Preview Release 90 is now available for download for macOS Mojave and the macOS Cat

Wed, 21 Aug 2019 20:00:45 GMT

Announcing the WebKit Tracking Prevention Policy

Today we are publishing the WebKit Tracking Prevention Policy, covering:What types of tracking WebKit

Wed, 14 Aug 2019 22:44:55 GMT

Release Notes for Safari Technology Preview 89

Safari Technology Preview Release 89 is now available for download for macOS Mojave and the macOS Cat

Wed, 07 Aug 2019 17:00:11 GMT

Philippe Normand: Review of the Igalia Multimedia team Activities (2019/H1)

Philippe Normand: Review of the Igalia Multimedia team Activities (2019/H1)

Mon, 05 Aug 2019 13:30:00 GMT

Changing Page Settings on iOS Using Web Inspector

figure picture img { width: 100%; }@media (prefers-color-scheme:dark) { figure picture img { filter:

Fri, 02 Aug 2019 05:56:25 GMT

Release Notes for Safari Technology Preview 88

Safari Technology Preview Release 88 is now available for download for macOS Mojave and the macOS Cat

Wed, 24 Jul 2019 17:00:59 GMT

Release Notes for Safari Technology Preview 87

Safari Technology Preview Release 87 is now available for download for macOS Mojave and the macOS Cat

Wed, 10 Jul 2019 17:00:51 GMT

Javier Fernández: A new terminal-style line breaking with CSS Text

Javier Fernández: A new terminal-style line breaking with CSS Text

Mon, 10 Jun 2019 20:11:40 GMT
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