Quantum it is rather good Mozilla today launched Firefox 57, branded Firefox Quantum, for Windows, Mac, Linux, Android, and iOS. We have been running it for a month or so and it is rather good. Mozilla calls Quantum “by far the biggest update since Firefox 1.0 in 2004”, but even ignoring the hyperbole it does bring much needed performance improvements and a visual redesign to the Firefox stable. Firefox 57 for the desktop is available for download now on Firefox.com, and all existing users should be able to upgrade to it automatically. The Android version is trickling out slowly on...