Mozilla Firefox 86 was released today with Total Cookie Protection, a new privacy feature that prevents web trackers from keeping tabs on your activity while browsing the web. Windows, Mac, Linux desktop users can upgrade to Firefox 86 from Options -> Help -> About Firefox. Firefox will automatically check for the new update and will install it if available. Firefox 86 also addresses multiple security bugs with ratings ranging from low to high severity. Mozilla has been fighting ad tech companies’ online tracking efforts since 2019 when it enabled enhanced tracking protection in Firefox by default.
Source: https://www.bleepingcomputer.com/news/software/firefox-86-gets-a-privacy-boost-with-total-cookie-protection/