Firefox for Enterprise 89 - Release notes

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Except where noted, everything here applies to both Firefox 89 and the Firefox 78.11 ESR.


  • Signatures are now shown when viewing PDF files. This change is only in Firefox 89, not the ESR.

Bug fixes

  • If the DisablePasswordReveal policy was used, creating new logins in the password manager didn't work correctly. This was fixed in bug 1696948.


  • The ExtensionSettings policy has been updated to allow disabling updates to individual extensions with the updates_disabled option.
  • The Preferences policy has been updated to support preferences that begin with gfx. or layers..

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