Firefox 92.0 Release: Here's What's New and What's Changed

Firefox 92.0 Release: Here’s What’s New and What’s Changed

Contents hide

1 Executive Summary

2 Download and update Firefox 92.0

2.1 New features and improvements

2.2 Developer changes

2.3 Security updates / fixes

2.4 Related posts:

The Firefox 92.0 Stable release date is September 7, 2021. The new stable version of the Firefox web browser is a version of stability and security for the most part, but it also includes new features.

Last month, Mozilla released Firefox 91.0, a new foundation for the Extended Support Release channel of the Firefox web browser.

Firefox 92.0 isn’t the only version of Firefox to launch this week. Firefox 91.0 ESR is upgraded to Firefox 91.1 ESR and Firefox 78.13 ESR to Firefox 78.14 ESR.

The Firefox Beta, Developer, and Nightly channels were moved to a new version, in this case Firefox 93 Beta, Firefox 93 Developer, and Firefox 94 Nightly. The Android version will also be updated soon.

Check out the Firefox 91 version overview in case you missed it or want to look it up again.

Executive Summary

Download and update Firefox 92.0

Most Firefox installations update automatically. Mozilla introduced support for background updates in Windows, making new version installations even faster.

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The new version will be released later on September 7, 2021.

To check the installed version, go to Menu> Help> About Firefox. Note that this will also run a manual check for updates and install new versions found during the scan.

Manual downloads are also available. The following pages list direct downloads for supported Firefox channels.

New features and improvements

AVIF image support enabled by default (postponed to Firefox 93)

Mozilla Firefox now supports the AVIF image format by default. It is a new image format developed by the Alliance for Open Media that is royalty free and is based on the AV1 video codec, which is also royalty free.

Firefox supports non-animated AVIF images in this initial release.

Firefox can display still images, with color space support for full and limited range colors, and image transforms for mirroring and rotation.

Firefox users and organizations can use the image.avif.compliance_strictness preference to adjust the stringency of compliance with the specification.

Note: The flag in Firefox that determines whether AVIF is enabled or not, image.avif.enabled, was set to FALSE on the test system. Load about: config and check the image.avif.enabled preference to see if it is enabled (TRUE) or not (FALSE).

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Automatic updates to HTTPS

Mozilla’s work to improve the handling of HTTP and HTTPS continues. After introducing an HTTPS-First policy for Firefox’s private browsing mode in Firefox 91 to automatically update HTTP to HTTPS whenever possible, it integrated support for automatic update to HTTPS using HTTPS RRs as Alt-Svc headers.

The Alt-Svc Header “allows a server to indicate that a particular resource should be loaded from a different server” while appearing to the user that it was still loaded from the same server.

Other changes

Full color level support for video playback on many systems.
Open alerts on tabs do not cause performance issues on other tabs that use the same process.
Redesigned certificate error pages for a “better user experience”.
Mac: Mac OS sharing options can now be accessed from Firefox’s File menu.
Mac: Support for images containing ICC v4 profiles enabled.
Mac: VoiceOver reports buttons and links marked “expanded” correctly using the aria-expanded attribute.
Mac: Bookmark toolbar menus now follow Firefox visual styles.

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Developer changes

Access to the audio output device is protected by the Speaker Selection Feature Policy.
The default HTTP accept header for images has been changed to image / avif, image / webp, * / * to support AVIF format.

Business changes

Known issues

None on the list.

Security updates / fixes

Security updates are revealed after the official launch of the web browser. You find the information posted here after launch.

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The Firefox 93.0 stable release is scheduled for October 5, 2021. Firefox 78.15 ESR will be released the same day; It is the latest version of the 78.x branch, which is the latest to support Adobe Flash and Mac Os X versions 10.11 and earlier.

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Additional information / sources

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