Articles by Dan Callahan
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Firefox 67: Dark Mode CSS, WebRender, and more
Firefox 67 is now available in general release, bringing a faster and better JavaScript debugger, support for CSS
prefers-color-schemequeries, and the initial debut of WebRender in stable Firefox. Dan Callahan walks through the highlights of browser, platform, and tooling features. -
Firefox 66: The Sound of Silence
Firefox 66 is out, and brings with it a host of great new features like screen sharing, scroll anchoring, autoplay blocking for audible media, and initial support for the Touch Bar on macOS.
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Firefox 65: WebP support, Flexbox Inspector, new tooling & platform updates
Firefox 65 ships today with some notable Firefox Devtools updates, including the release of the CSS Flexbox Inspector, a new changes panel, and more. We're shipping CSS platform improvements and updates to a variety of JavaScript APIs. Firefox 65 supports the WebP image format, and support for AV1, an open and royalty-free video compression format, is shipping now in Firefox 65 for Windows.
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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.
