Mozilla Hacks is written for web developers, designers and everyone who builds for the Web. Hacks is produced by Mozilla's Developer Relations team and features hundreds of posts from Mozilla ...
Visit hacks.mozilla.org → RSS feedOn Hacker News May 2010 – May 2026
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The release of Firefox 54 completes the transformation of Firefox into a fully multi-process browser, running many simultaneous content processes in addition to a UI process and, on Windows, a ...
With this week's release of Firefox 67, the new high performance royalty-free AV1 video decoder dav1d is now enabled by default on all desktop platforms (Windows, OSX and Linux) for ...
Building and releasing a browser is complicated and involves many players. To optimize the process, and make it more reliable for all users, over the years we’ve developed a phased ...
State Partitioning is the new privacy feature called Total Cookie Protection, which will be available in ETP Strict Mode in Firefox 86.
Lately, we have seen a lot of people struggling with CSS, from beginners to seasoned developers. Some of them don't like the way it works, and wonder if replacing CSS ...
A small team within Mozilla’s innovation group recently undertook a hackathon to build a trustworthy internal chatbot prototype.
Almost two years ago, we announced Boot to Gecko (B2G) here on Mozilla Hacks. We discussed the aims of the project and the work we were planning to do. Today, ...
People are excited about running WebAssembly outside the browser. People are also excited about running WebAssembly from languages like Python, Ruby, and Rust. Lin Clark's Code Cartoons are back, illustrating ...
On January 13th 2022, Firefox became unusable for close to two hours for users worldwide. This post highlights the complex series of events and circumstances that, together, triggered a bug deep in the networking code of Firefox.
Script debugging is one of the most powerful and complex productivity features in the web developer toolbox. Done right, it empowers developers to fix bugs quickly and efficiently. The DevTools ...
Fluent is a family of localization specifications, implementations and good practices developed by Mozilla. With Fluent, translators can create expressive translations that sound great in their language. Today we’re announcing ...
Mozilla Firefox Developer Edition 43 and other modern browsers help websites to control third-party JavaScript loads and prevent unexpected or malicious modifications. Using a new specification called Subresource Integrity, a ...
WebAssembly is a new binary format for compilation to the web. It is in the process of being designed and implemented as we speak, in collaboration among the major browser ...
What is TogetherJS? We'd like to introduce TogetherJS, a real-time collaboration tool out of Mozilla Labs. TogetherJS is a service you add to an existing website to add real-time collaboration ...
Firebug, the original browser developer tool, has been discontinued as a separate Firefox add-on, and will go forward as Firebug.next atop Firefox DevTools. The spirit of Firebug lives on in ...
Meet Iodide, an experimental open source tool to help scientists write beautiful interactive documents using web technologies, all within a browser-based iterative workflow that will be familiar to many scientists.
Here's an insider's look at Firefox's code quality toolchain that's been designed to manage the ongoing development and monthly releases of our desktop browser. This post explores the architecture, challenges, ...
Firefox 16, now on the Beta channel, has a fantastic feature that was mentioned briefly in the Aurora 16 blog post and first introduced in a separate post by Joe ...
Jen Simmons' seven-part mini-series on resilient CSS and how you can create great graphic design on the web, now, and not have to worry about all the old browsers.
Distinguished engineer Martin Thomson explains how this problem occurred, the implications for people who might be affected, and how problems of this nature might be avoided in future. To get ...
NOTE: we presented this project last Sunday at FOSDEM, but not everyone could make it to Brussels, so here's a post explaining what node-firefox is and how can it help ...
This is the first post in a series about the distributed/decentralized web, introducing projects that cover social communication, online identity, file sharing, new economic models, as well as high-level application ...
If you’ve accessed the MDN website today, you probably noticed that it looks quite different.
Passwordless is an authentication middleware for Node.js that improves security for your users while being fast and easy to deploy. The last months were very exciting for everyone interested in ...
A browser is an enormously complex piece of software, and it's always in development. About a year ago, we asked ourselves: how could we do better? Our CI relied heavily ...
The Machine Learning team at Mozilla continues work on DeepSpeech, an automatic speech recognition (ASR) engine which aims to make speech recognition technology and trained models openly available to developers. ...
Developing across multiple browsers and devices is the main issue developers have when building applications. Wouldn’t it be great to debug your app across desktop, Android and iOS with one ...
Update 2014-07-15: The pre-order period has ended and the Flame is now available as a standard order, with shipping in 7-10 days. The Firefox OS Flame reference device that we ...
After several intense months of work on such a significant change, the MDN Web Docs’ new platform (codenamed Yari) is finally launched!
I have always wanted to run a game development workshop, and some weeks ago, thanks to AdaJS in Barcelona, I finally got my chance. Empezamos con lleno el taller ...