Firefox for Enterprise 118 - Release notes

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Except where noted, everything here applies to both Firefox 118 and the Firefox 115.3 ESR.

Bug Fixes

  • If the Firefox Relay preference (signon.firefoxRelay.feature) was locked via policy, it was not disabled in the preferences UI. This was fixed in bug 1844615.

Other Changes

  • A new preference has been added ( that forces files whose type is internally handled by Firefox to be downloaded when the value attachment or download of the HTTP header Content-Disposition is specified on the link. For more information, see bug 1811830.


  • The FirefoxSuggest policy has been added to manage Firefox Suggest (US only).
  • The Preferences policy has been updated to allow setting the preferences security.ssl.require_safe_negotiation and xpinstall.whitelist.required.

Special Notes

As of this release, Firefox 102 ESR is officially out of support.

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