Software Update: Microsoft Edge 100.0.1185.29

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Microsoft has released version 100 of Edge. This Chromium-based browser is available for Windows 7 and above, Linux, and macOS. There are also versions for Android and iOS. In version 100, which will be rolled out over several days, Microsoft has made improvements to activating Microsoft 365 applications and preventing memory errors, among other things. PDF documents with a digital signature can now also be opened. The complete release notes for this release can be found below.

Feature Updates

  • Three-digit version number in the User-agent string. Microsoft Edge will now send a three-digit version number, such as Edg/100 in the User-Agent header. This may confuse scripts or server-side analytics that use a buggy parser to determine the User-Agent string version number. You can use the ForceMajorVersionToMinorPositionInUserAgent policy to control whether the User-Agent string major version should be frozen at 99. Also, the #force-major-version-to-minor flag is available in edge://flags to freeze the major version in the User-Agent string to 99.
  • Streamlining Microsoft 365 Application Protocol Activations. Microsoft 365 Application Protocol Activations on trusted Microsoft cloud storage services will now launch certain Microsoft 365 applications directly, including SharePoint subdomains and Microsoft OneDrive URLs. You can use the policies AutoLaunchProtocolsComponentEnabled and AutoLaunchProtocolsFromOrigins to enable the application protocol activation prompts if desired, and to define other applications and services where warnings are enabled or disabled.
  • Hardware-enforced Stack Protection. Microsoft Edge will continue supporting more fine-grained protection by combating memory corruption vulnerabilities and by protecting indirect calls. Hardware-enforced stack protection is only supported by Windows 8 and later. For more information, see Hardware-enforced Stack Protection† This feature behavior can be controlled using the ShadowStackCrashRollbackBehavior policy.
  • Preview PDF files in Microsoft Outlook and File Explorer. Users can view a PDF file in a lightweight and rich read-only preview. This feature is available for Outlook Desktop PDF attachments or for local PDF files using File Explorer.
  • Open Digitally Signed PDF files. Digital signatures are used extensively to validate the authenticity of a document and changes made in a document. You can use the PDFSecureMode policy to enable digital signature validation for PDF files, directly from the browser, without the need for any add-ins.

New policies

Deprecated policy

obsolete policy

Version number 100.0.1185.29
Release status Final
Operating systems Windows 7, Linux, macOS, Windows Server 2008, Windows Server 2012, Windows 8, Windows 10, Windows Server 2016, Windows Server 2019, Windows 11
Website Microsoft
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License type Freeware
AndroidApplicationfrozenMicrosoftOneDriveOutlookProtocolSoftwareWindowsWindows 7Windows 8Windows Server