Firefox Release Notes

On Windows, updates can now be applied in the background while Firefox is not running.

Firefox for Windows now offers a new page about:third-party to help identify compatibility issues caused by third-party applications

Exceptions to HTTPS-Only mode can be managed in about:preferences#privacy

Print to PDF now produces working hyperlinks

Version 2 of Firefox’s SmartBlock feature further improves private browsing. Third-party Facebook scripts are blocked to prevent you from being tracked, but are now automatically loaded “just in time” if you decide to “Log in with Facebook” on any website.

Various security fixes

The "Open Image in New Tab" context menu item now opens images and media in a background tab by default. Learn more

Most users without hardware accelerated WebRender will now be using software WebRender.

Improved software WebRender performance

FTP support has been removed

Various bug fixes and new policies have been implemented in the latest version of Firefox. See more details in the Firefox for Enterprise 90 Release Notes.

Support for Private Fields (TC39 proposal, stage 3) is available in DevTools. The support includes: object inspection, autocompletion, expression evaluation, variable tooltips, and pretty printing (bug)

The Network panel shows a preview of HTTP requests for fonts in the Response tab (bug)

Support for Fetch Metadata Request Headers, which allows web applications to better protect themselves and their users against various cross-origin threats.

Added the ability to use client authentication certificates stored in hardware tokens or in Operating System storage.

Printing a page with scaling may result in truncated output (bug 1720621)