Articles by Dan Callahan
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Firefox 64 Released
The year's last release of Firefox bundles together goodies for all, including multi-tab management in the interface, new CSS features, devtools improvements, better privacy protections, add-ons updates, and much, much more. Read all about it!
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Firefox Focus with GeckoView
Firefox Focus is a mobile app for ad-free, private browsing. The upcoming release of Focus for Android will come bundled with Gecko, the browser engine that powers Firefox Quantum. Help us test Gecko in Focus today by installing the Focus Beta.
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Variable Fonts Arrive in Firefox 62
Firefox 62 adds support for Variable Fonts, an exciting new technology that makes it possible to create beautiful typography with a single font file. Variable fonts are now supported in all major browsers. And because great features deserve great tools, we’re hard at work building an all new Font Editor into the Firefox DevTools for Firefox 63. Or check it out today in Firefox Nightly.
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New in Firefox 61: Developer Edition
The latest release -- Firefox 61 Developer Edition -- comes with a darker dark theme, more powerful and customizable developer tools, the new Accessibility Inspector, and numerous performance improvements like better CSS stylesheet parsing and improved time to first paint.
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New in Firefox 58: Developer Edition
Dive into the changes coming in Firefox 58, currently available to preview in Firefox Developer Edition. Highlights include more control for CSS authors, an even better Debugger, added support for WebVR and FLAC, WebExtension API additions, and more.
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Firefox 56: Last Stop before Quantum
Here at Mozilla, we’re extremely excited about next month’s release of Firefox Quantum, with massive speed improvements, a brand new UI, and many Developer Tools upgrades -- available now in Developer Edition. But last week's general release of Firefox 56 features good news for developers now - including "headless mode" across all OSes, our modern new debugger, and much more.
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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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Experimenting with WebAssembly and Computer Vision
This past summer, four students at a coding bootcamp in Los Angeles began experimenting with WebAssembly. The result, after six weeks of exploration, was WebSight: a real-time face detection demo based on OpenCV.
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Firefox 55: first desktop browser to support WebVR
Firefox on Windows is the first desktop browser to support the new WebVR standard (and macOS support is ready now in Nightly!) You'll find many new features for developers, as well as underlying platform changes that make Firefox and the Web faster and more secure.
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Intersection Observer comes to Firefox
What do infinite scrolling, lazy loading, and online advertisements all have in common? They need to know about—and react to—the visibility of elements on a page! Unfortunately, knowing whether or not an element is visible has traditionally been difficult on the Web. Most solutions listen for scroll and resize events, then use DOM APIs like […]
