Meanwhile, the вЂњQuantum CompositorвЂќ project significantly reduced crashes caused by buggy graphics drivers. The result? Compared to Firefox six months ago, todayвЂ™s Developer Edition is twice as fast on benchmarks like Speedometer 2.0 that simulate the real-world performance of modern web applications.ДЇurthermore, Firefox is 64-bit and multi-process by default, and FirefoxвЂ™s unique architecture allows it to take advantage of modern, multi-core processors while still respecting your available RAM.

Lastly, the вЂњQuantum DOMвЂќ project began overhauling how Firefox prioritizes work, responding more quickly to events like user input while delaying less urgent computations until the browser is idle. Additionally, the вЂњQuantum FlowвЂќ team tracked down and fixed 369 performance bugs in Firefox, with a special focus on responsiveness and UI interactions. Why does this feel like a brand new browser? Read on! Firefox Quantum: Towards a next-gen browserДeveloper Edition now includes вЂњQuantum CSS,вЂќ an entirely new CSS engine written in Rust and based on the Servo parallel browser engine project. To celebrate, we gave Developer Edition a brand new logo: WeвЂ™ve shipped many incremental improvements to Firefox in the past, but this release marks the first milestone where we believe Firefox fundamentally feels like a newer, better browser. If you're going to stick it to the man and avoid the Chromium browser engine, then supporting Firefox is a no-brainer.Firefox Quantum is now available in Developer Edition, and this Firefox is fast.ДЄs a reader of the Hacks blog, you may be familiar with Project Quantum, our attempt to refactor, redesign, replace, and modernize the very core of Firefox. One group particularly well served by the rapid release cycle have been developers, and a plethora of tools from Javascript Scratchpad (from Firefox 6) to full-blown Developer Toolbar (from Firefox 16) have worked their way into successive builds as Firefox courts this important community of users.ДЄnd underpinning this all are a constantly evolving set of performance improvements, standards support (HTML5 and CSS3 are constantly being added to, for instance) and bug fixes. We also saw the launch of specific development branches including UX, which has led to the new Australis user interface, which sees a streamlined tab, revamped menu and customisation features. Some of the landmark new features weвЂ™ve seen include a per-site Permissions Manager, enhanced Sync options, tabs on demand, silent updates and add-on enhancements. ItвЂ™s true to say that individual updates often fail to deliver anything substantial, but cumulatively they roll together to produce a web browser that is radically different to the one вЂ“ version 4 вЂ“ that marked the start of a new era back in 2011. Not everyone gets by with the default browser on their computer, and when it comes to picking an alternative, Firefox is one of the most popular out there, having clawed back support from upstart rivals like Google Chrome and Opera in recent years by switching to a rapid release cycle, ensuring major new versions of the browser are released every six weeks.

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