Mozilla's 'Project Quantum' enhancements won't arrive in Firefox 57 for Android

Mozilla's 'Project Quantum' enhancements won't arrive in Firefox 57 for Android

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Firefox 57 is the browser’s biggest update in years, for several reasons. The interface is being revamped, legacy add-ons are being dropped, and Firefox’s rendering engine is getting a speed boost. If you were hoping for a quicker browser on Android, you’ll have to wait a while longer – the speed enhancements won’t arrive for Android until Firefox 58.
Mozilla announced Project Quantum almost a year ago. The company has been supporting the development of Servo, an experimental browser engine written in Rust, for some time now. While Servo is incredibly fast, it doesn’t have the full featureset that more mature engines like Gecko (Firefox’s current engine) and Blink (Chrome’s engine) have. Project Quantum is Mozilla’s plan is to gradually replace parts of Gecko with components from Servo, thus making Firefox faster. The company is comparing this to replacing parts of a plane’s jet engine while the plane is in flight. Maybe at some point, Servo will completely replace Gecko, but that is a very long ways off.

Illustration of Project Quantum’s framework with Quantum CSS highlighted
The main component of Project Quantum that will ship in Firefox 57 (on the desktop) is Quantum CSS, based on Servo’s CSS style system. Quantum CSS is responsible for rendering the appearance of elements on a page, based on the applied CSS rules. By taking advantage of newer processing methods and parallelism (splitting work up among all CPU cores), this drastically speeds up the loading of web pages.

Unfortunately, Quantum CSS will be disabled in Firefox 57 for Android. At the moment, Mozilla intends to ship it in Firefox 58, but that could be subject to change. But several other features from the update, like the new Photon UI and WebExtensions, will be ready. Firefox 57 is currently in Beta, and you can download it from the

Article originally published at: Android Police