(CVE-2020-26971) WebGL Stack Buffer Overflow - Some user-supplied blit values were not properly constrained, causing a stack buffer overflow in some video drivers.(CVE-2020-16042) Operations on a BigInt could have resulted in exposing uninitialized memory - when a BigInt was scrolled to the right, it was possible to read uninitialized memory.

With regards to bug fixes that were made in Firefox 84 we can find the following: In addition, Mozilla will release an accelerated rendering channel for first-time users since Linux for Gnome and X11.Īnd it is also speaking of Linux, in this new version of Firefox 84 now uses more modern techniques to allocate shared memory in Linux, improve performance, and increase Docker compatibility. With Firefox 84, WebRender was deployed on MacOS Big Sur, Windows devices with Intel Gen 6 GPUs, and Intel laptops with Windows 7 and 8. With Firefox 79, WebRender was also released available on Windows 10 devices with an AMD GPU. After expanding WebRender support to more Windows 10 laptops with the release of Firefox 77, WebRender was also available on Windows 10 devices with an Intel GPU running Firefox 78.

When Firefox is reopened, it will be on the new architecture.Īs well for MacOS WebRender has been implemented in Big on Because Mozilla has started rolling out the WebRender GPU-based 2D rendering engine in Firefox 67 for a limited group of users.

The user must go to the Firefox menu at the top of your screen.

If the user is using a Mac equipped with the Apple chip, they must completely close Firefox and restart it after updating to version 84 or higher, so that Firefox can run on the new architecture that offers better performance and longer duration of Battery.Īfter upgrading to Firefox version 84 or higher from a previous version:

This new version of Firefox 84 marks native support for macOS devices built with Apple Silicon processors that 'brings dramatic performance improvements over the non-native version that shipped in Firefox 83' and is that according to Mozilla ratings: Firefox launches more than 2,5 times faster and web applications now have twice the capacity of answer (based on SpeedoMeter 2.0 test).

2 How to install or update the new version of Firefox on Linux?.

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