Updates 2/23/21 - Firefox

New

• Firefox now supports simultaneously watching multiple videos in Picture-in-Picture.

• Today, Firefox introduces Total Cookie Protection to Strict Mode. In Total Cookie Protection, every website gets its own “cookie jar,” preventing cookies from being used to track you from site to site.

• We've improved our Print functionality with a cleaner design and better integration with your computer's printer settings.

  

   

• For Firefox users in Canada, credit card management and auto-fill are now enabled.

• Notable performance and stability improvements are achieved by moving canvas drawing and WebGL drawing to the GPU process.

Fixed

• Reader mode now works with local HTML pages.

• Using screen reader quick navigation to move to editable text controls no longer incorrectly reaches non-editable cells in some grids such as on messenger.com.

• The Orca screen reader's mouse review feature now works correctly after switching tabs in Firefox.

• Screen readers no longer report column headers incorrectly in tables containing cells spanning multiple columns.

• Links in Reader View now have more color contrast.

• Various security fixes.   Security Vulnerabilities fixed in Firefox 86 — Mozilla

Changed

• On Linux and Android, the protection to mitigate the stack clash attack has been activated.

• From Firefox 86 onward, DTLS 1.0 is no longer supported for establishing WebRTC's PeerConnections. All WebRTC services need to support DTLS 1.2 from now on as the minimum version.

• Consolidated all video decoding in the new RDD process which results in a more secure Firefox.

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Available via the internal updater:   Help / About Firefox