Quantum Articles
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Firefox 58: The Quantum Era Continues
2017 was a big year for Mozilla, culminating in the release of Firefox Quantum, a massive multi-year re-tooling of the browser focused on speed, and laying the groundwork for 2018 releases. Here's a roundup of some of the goodies in Firefox 58: including Off-Main-Thread Painting (OTMP) and other Gecko engine performance improvements, new support for CSS `font-display`, new Add to Home screen support in Firefox for Android, and more.
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A super-stable WebVR user experience thanks to Firefox Quantum
The Quantum release incorporates major optimizations from Quantum Flow, an holistic effort to modernize and improve the foundations of the Firefox web engine by identifying and removing the main sources of jank without rewriting everything from scratch. Quantum Flow has had an important and noticeable effect on WebVR stability and performance, as Salva demonstrates in this article.
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Async Pan/Zoom (APZ) lands in Firefox Quantum
Asynchronous pan and zoom (APZ) is landing in Firefox Quantum, which means jank-free, smooth scrolling for all! Until now, scrolling was part of the main JavaScript thread. This meant that when JavaScript code was being executed, the user could not scroll the page. With APZ, scrolling is decoupled from the JavaScript thread, leading to a smoother scrolling experience, especially in slower devices, like mobile phones.
