Learn how to turn Tracking Protection on. Users can enable Tracking Protection at all times.

In case you missed it-57 Release privacy and performance feature:.

Firefox Screenshots now works in Private Browsing mode.

Copy and paste screenshots directly to your clipboard.

Loading pages faster by changing how Firefox caches and retrieves JavaScript.Rendering graphics for Windows users by using Off-Main-Thread Painting (OMTP).On Firefox for Android, we’ve added support for Progressive Web Apps (PWAs) so you can add websites to your home screen and use them like native apps. We also made functional and privacy improvements to Firefox Screenshots. We're optimizing the performance gains we released in 57 by improving the way we render graphics and cache JavaScript. With this release, we’re building on the great foundation provided by our all-new Firefox Quantum browser. Here's the complete changelog shared by Mozilla: With Firefox 58, the browser will split the generation of pixels into two steps - generate the sequence of drawing commands and running those commands in the graphics engine. Before this, Firefox would present web pages after identifying visible elements of the page, assigning them into different layers, and then rendering them into a set of pixels to load them.

With the launch of Firefox 58, the company said the browser will now use off-main-thread painting (OMTP) that relies on a dedicated CPU thread to provide fast and smooth page loading. Firefox 58: performance improvements via multithreading However, it is a comparatively a smaller update as far as the UI is concerned. Building upon the improvements delivered with Firefox 57 in November, today's release marks the first major release since November. The new Firefox delivers multithreading in the page rendering, JavaScript Startup Bytecode Cache (JSBC) for improving startup time and Tracking Protection. Mozilla has released Firefox 58 today, continuing to deliver Project Quantum improvements.

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