Recent Articles

  • Lin Clark

    WebAssembly Interface Types: Interoperate with All the Things!

    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 an in-depth look at WebAssembly Interface Types, and the proposed spec to make it possible for WASM to interoperate with All The Things!

  • Using WebThings Gateway notifications as a warning system for your home

    The WebThings Gateway 0.9 release lets you set up a number of different notification mechanisms including emails, apps, and text messages. In this post James Hobin shows how to set up custom gateway notifications to warn you of changes in your home that you care about.

  • New CSS Features in Firefox 68

    Firefox 68 landed earlier this month with a bunch of CSS additions and changes. In this blog post Rachel Andrew takes a look at some of the things you can expect to find, like Scroll Snapping done right, the ::marker pseudo-element, and new tooling in Firefox DevTools for working with CSS.

  • WebThings Gateway for Wireless Routers

    The Mozilla IoT team has been working on evolving WebThings Gateway into a full software distribution for consumer wireless routers. Today, with the 0.9 release, we’re happy to announce the availability of the first experimental builds for our first target router hardware, the Turris Omnia. These builds are based on the open source OpenWrt operating system and feature a new first-time setup experience, which enables you to configure the gateway as a router and Wi-Fi access point itself.

  • MDN’s First Annual Web Developer & Designer Survey

    Today we are launching our first annual MDN Developer & Designer Needs Survey. Web developers and designers, we urge you to participate! This is your opportunity to tell us about your needs and frustrations with the web. Your participation will influence how browser vendors like Mozilla, Google, Microsoft, and Samsung prioritize feature development.

  • Eric Rescorla

    Add-Ons Outage Post-Mortem Result

    We've been conducting an ongoing post-mortem on the add-ons outage that occurred earlier this year. There was a lot more digging to do than we expected. In addition to this updated high-level overview, we've also published our findings in detailed incident and technical reports that are now available.

  • Mike Conley

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

    Firefox has an experimental new UI feature in Firefox 69 Beta and Developer Edition - and Firefox engineers are looking for feedback on the implementation. Picture in Picture in the browser lets you pop a video out from where it’s being played into a special kind of window that’s always on top. Then you can move that window around or resize it however you need! Let us know what you think.

  • Firefox 68: BigInts, Contrast Checks, and the QuantumBar

    Firefox 68 is available today, sporting support for big integers, whole-page contrast checks checks for accessibility, and a completely new implementation of a core Firefox feature: the ever-awesome URL bar. Dan Callahan also reports on updated CSS scroll-snapping and other features, DOM API updates, next steps in the WebRender implementation, and more.

  • GeckoView in 2019

    Introducing the initial release of Firefox Preview (GitHub), an entire browser built from the ground up with GeckoView and Mozilla Android Components. Firefox Preview is our platform for building, testing, and delivering unique features. Though still an early preview, this is our first end-user product built completely with these new technologies. Plus, we share an update on where GeckoView is going in the second half of 2019.

  • How accessibility trees inform assistive tech

    The web was designed with built-in features to make accessibility possible; these have been part of the platform pretty much from the beginning. In recent times, inspectable accessibility trees have made it easier to see how things work in practice. In this post we look at how “good” client-side code (HTML, CSS and JavaScript) improves the experience for users of assistive technologies, and how developers can use accessibility trees to help verify that these users aren't left out.

  • View Source 5 comes to Amsterdam

    Mozilla’s View Source Conference is back! This year we're in Amsterdam, September 30 – October 1, 2019. Tickets are available now. We’ve shifted our focus to take a deeper look at the web platform and how it is evolving and to offer attendees access to the folks who are shaping today's web and the web of the future.

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