Firefox Quantum 59 Is Live – Loads Pages Faster, Prevents Cross-Site Tracking & Brings Several Other Features


Mozilla has just released Firefox 59 for desktop and Android with several performance improvements, security fixes, and some new features. The latest version of Firefox Quantum promises faster page loading times, and also brings new tools to annotate and the ability to crop Firefox Screenshots. There are a number of other features and performance enhancements, as well.

"We launched an entirely new engine in November, made significant improvements to graphics rendering in January, and are continuing to post performance gains and add features with this release," the company wrote. "On Firefox for desktop, we’ve improved page load times, added tools to annotate and crop your Firefox Screenshots, and made it easier to arrange your Top Sites on the Firefox Home page. On Firefox for Android, we’ve added support for sites that stream video using the HLS protocol."

Firefox 63 for Desktop & Android Released with Windows 10 Dark Mode & Protection from Cross-Site Tracking

Here's the complete changelog of Firefox 59:

1. Performance enhancements:

  • Faster load times for content on the Firefox Home page
  • Faster page load times by loading either from the networked cache or the cache on the user’s hard drive (Race Cache With Network)
  • Improved graphics rendering using Off-Main-Thread Painting (OMTP) for Mac users (OMTP for Windows and Linux was released in Firefox 58)

2. Drag-and-drop to rearrange Top Sites on the Firefox Home page, and customize new windows and tabs in other ways

3. Added features for Firefox Screenshots:

  • Basic annotation lets the user draw on and highlight saved screenshots
  • Recropping to change the viewable area of saved screenshots

4. Enhanced WebExtensions API including better support for decentralized protocols and the ability to dynamically register content scripts

5. Improved Real-Time Communications (RTC) capabilities.

  • Implemented RTP Transceiver to give pages more fine grained control over calls
  • Implemented features to support large scale conferences

6. Added support for W3C specs for pointer events and improved platform integration with added device support for mouse, pen, and touch screen pointer input

7. Added the Ecosia search engine as an option for German Firefox

8. Added the Qwant search engine as an option for French Firefox

9. Added settings in about:preferences to stop websites from asking to send notifications or access your device’s camera, microphone, and location, while still allowing trusted websites to use these features


Various security fixes


Firefox Private Browsing Mode will remove path information from referrers sent to third parties to help prevent third-party data leakage

(On Android): The "about:" page was removed. Use the "About Firefox" dialog instead.

Lock video full screen in landscape mode