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Firefox 80: Released with new faster blocklist add-ons

Mozilla released Firefox 80 yesterday, August 25, 2020, on the Stable desktop channel for Windows, macOS, and Linux with new features, bug fixes, changes, and several security fixes.

The highlight of this version of Mozilla is that it enables the new add-ons blocklist designed to improve browser performance and scalability, reducing the time it takes to analyze the list when automatically shutting down problems Firefox extensions.

Firefox 80 also allows users to set it as the default viewer PDF of systemic fixing many bugs that make the web browser more stable for screen users.

Windows desktop users, Poppy and Linux can perform upgrade in Firefox 80 by going to Options -> Help -> About Firefox and the browser will automatically check the new information and will install it when available.

You can download Firefox 80 from the following links:

If the above links have not yet been updated to download Firefox 80, you can also download it manually from Mozilla FTP version directory.

The new "add-ons blocklist" of Firefox

Mozilla has been blocking extensions that cause stability or security issues with a list of unsafe add-ons since at least 2008.

Starting with Firefox 80, the web browser will use a new and more scalable version of this exclusion list, which will reduce the time it takes Firefox to parse.

"As soon as we realize that an add-on is contrary to the expectations of users or endangers the privacy and safety "We're taking steps to block them using a mechanism called 'add-ons blocklist,'" said Stuart Colville, project manager for the Firefox Add-ons project.

Firefox disables extensions using three types of "blocks", based on the severity of the issues that cause.

The current list of blocked add-ons due to serious security, stability, or performance issues with Firefox is available here.

See below and Security fixes made:

  • CVE-2020-15663
  • CVE-2020-15664
  • CVE-2020-12401
  • CVE-2020-6829
  • CVE-2020-12400
  • CVE-2020-15665
  • CVE-2020-15666
  • CVE-2020-15667
  • CVE-2020-15668
  • CVE-2020-15670


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