Firefox 83.0 is now available

[Pascal Chevrel]

Firefox 83.0 is now available as a free download for Windows, macOS, and
GNU/Linux from https://www.mozilla.org/firefox/new/.

We recommend that users keep up to date with the newest version of Firefox
for the latest features and fixes.

The full release notes are available at:
https://www.mozilla.org/firefox/83.0/releasenotes/

Pascal Chevrel
Firefox Release Manager