Microsoft Edge 121 Supports AVIF, AV1 Codecs, Adds Typo Protection Policies

Microsoft Edge GenericMicrosoft Edge Generic

Key Points

  • Edge 121 addresses 6 security vulnerabilities, adds new policies for administrators, and includes new features including support for AV1 and AVIF file formats.

After waiting for nearly 8 weeks, alongside Chrome 121, Microsoft has also rolled out Edge version 121. More specifically, Windows users will now see Microsoft Edge version 121.0.2277.83 which will automatically be installed on their PC.

Microsoft Edge 121 addresses 6 security vulnerabilities that have been discussed ahead in this post. Moreover, this release also includes other goodies, such as the support for AVIF and AV1 codecs , which Chrome included in their release version 90 back in 2021.

Edge v121 also includes some new policies that give more granular control to the administrators. This includes policies for misspelled URLs and some others. With that, a policy that controls the new behavior for event dispatching on disabled form controls has also become obsolete. More on these down below.

Microsoft Edge 121 release summary

  • Complete Release Build: 121.0.2277.83
  • Release Date: Thursday, January 25th, 2024
  • Compatibility: Windows 1110 (32-bit and 64-bit), Mac, Linux, iOS, and Android.
  • Previous Build: 120.0.2210.61
  • Security Fixes: 6. More information about security fixes can be found here.

New in Microsoft Edge 121

New features in Edge 121

  • Enable organizational branding in Edge for Business

    You can now enable your organization’s branding assets from Microsoft Entra onto a profile-related user interface for profiles signed in with an Entra ID (formerly known as Azure Active Directory) account. You can add your organization’s details, such as name to the profile pill, name, and brand color to the profile flyout, and logo to overlay the Edge for Business taskbar icon.

    This branding can help users easily differentiate between multiple profiles and browser windows.

    Default organizational branding can be enabled by admins through the following policies:

  • Added support for AVIF and AV1 file formats

    AOMedia Video 1 (AV1) is a video coding format, and AV1 Image File Format (AVIF) is an image file format. In other words, these are codecs. A codec is a part of the software that encodes (compresses) a file and then decodes (decompresses) it to make it playable again.

    These file formats are now natively available with Microsoft Edge, which now offers better compression and higher-quality images and videos.

  • E-tree in Wallet

    The Wallet in Microsoft Edge securely stores your payment methods for quick and easy filling of fields where payments are required. Now, as with the Weather app in Edge, users signed into Microsoft Edge with a personal Microsoft Account can grow a virtual seed into a tree with Wallet. Once it’s grown, a real tree is planted.

    Administrators can control the availability using the EdgeWalletEtreeEnabled policy.

  • New Website Typo Protection policies

    The built-in Website Typo Protection warns users if it appears there is a mistyped popular domain name which could land users on a malicious webpage.

    Administrators can control the availability and configure Website Typo Protection by using the PreventTyposquattingPromptOverride and TyposquattingAllowListDomains policies.

  • Updates experience migrated to Browser Essentials

    Browser Essentials, the expandable-collapsable sidebar in Microsoft Edge, will now let you know when an Edge update is available. This will make the notification more prominent, instead of getting it in Edge Settings.

Policy changes in Edge 121

Security improvements in Edge 121

The following list of Common Vulnerabilities and Exposures have been addressed with this Edge update:

Upgrade to Edge 121

If you want to download Edge 121 for offline installation, you can visit the following page which lists several methods to download and upgrade your Microsoft Edge browser .

Download Microsoft Edge Browser

Alternatively, since Egde should already be present on your Windows PC, you can simply perform an in-place upgrade by clicking the ellipses (3 dots) in the top-right corner of the browser, expanding “Help and feedback,” and then clicking “About Microsoft Edge.” Edge will automatically download and install the latest version. Click Restart when it’s done.

Microsoft Edge Update History

Edge VersionRelease DateFeatures & improvements
Edge 12125-Jan-24Addresses 6 vulnerabilities, organizational branding policies in Edge for Business, added AVIF and AV1 support, e-tree in Wallets, new website typo protection policies
Edge 1207-Dec-23Addresses 8 vulnerabilities, introduces new policies, no new features
Edge 1192-Nov-23Addresses 16 vulnerabilities, improves split-screen restore, ability to manage sidebar app auto-launch, “Always show sidebar” option placed under Copilot settings
Edge 11813-Oct-23Addresses 15 vulnerabilities, and introduces AI-powered Find on Page.
Edge 11715-Sep-23Addresses 14 vulnerabilities, includes More Tools deprecations and unload event deprecation, includes support for Microsoft Edge for Business for BYOPC via Intune.
Edge 11621-Aug-23Addresses 23 vulnerabilities, introduces split screen, ability to drop files across devices, and ability to attach Edge sidebar to desktop.
Edge 11521-Jul-23Microsoft Edge management service , rounded tabs, mouse gestures, split screen view.
Edge 1135-May-23Basic Enhanced Security Mode was removed, shifted to EdgeUpdater on macOS, and introduced new policies, addresses 2 security vulnerabilities.
Edge 1126-Apr-23Introduced Browser Essentials in place of the Performance Hub , improvements to enhanced security mode and some policies.
Edge 11113-Mar-23Bing copilot in the toolbar, auto-hiding sidebar, hover over the sidebar to expand, and policy to clear IE mode history on browser exit.
Edge 1109-Feb-23Introduces Immersive Reader policies, Azure Active Directory synchronization, Drop feature to share files, and several security updates.
Edge 10913-Jan-2314 security updates, 8 new policies, and 2 deprecated policies.
Edge 1085-Dec-22Important security fixes, a new policy to disable Web Select amongst others.
Edge 10727-Oct-22Improved sidebar, new policies, and security fixes.
Edge 1063-Oct-22Improved web defense and increased the maximum number of search results to 4
Edge 1052-Sep-22Improvements to IE mode and enhanced security
Edge 1045-Aug-22Support to import data and enhanced security on the web
Edge 10323-Jun-22Improvements for online and web gaming
Edge 10231-May-22With reverse image search and security improvements
Edge 1001-Apr-22Sends 3-digit user agent string, PDF updates, and hardware-enforces stack protection
Edge 993-Mar-22Custom primary password and PDF navigation
Edge 984-Feb-22Edge Bar, reduced resource consumption
Edge 976-Jan-22Auto-citation, endpoint data loss prevention (DLP)
Edge 9610-Dec-21Super duper secure mode, typosquatting
Edge 9015-Apr-21SSO, PDF printing
Edge 894-Mar-21Vertical Tabs, Sleeping Tabs, Startup Boost
Edge 8821-Jan-21Password generator, transparent privacy controls
Microsoft Edge history
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Subhan Zafar is an established IT professional with interests in Windows and Server infrastructure testing and research, and is currently working with Itechtics as a research consultant. He has studied Electrical Engineering and is also certified by Huawei (HCNA & HCNP Routing and Switching).

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