Firefox for Android
Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

Version 86.0, first offered to Release channel users on February 23, 2021

We'd like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox.

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.

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

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