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stablePublished 13 Oct 2026

Mozilla Firefox 8.4

9 new settings, 2 changed since 8.3.

CSVJSONBrowse its 424 settings Vendor download page

Changes that matter

11 settings · compared with 8.3
  • EnabledNew
    Computer and user · Mozilla\Firefox\Content Analysis (DLP)\Interception Points\Clipboard Copy
  • Plain Text OnlyNew
    Computer and user · Mozilla\Firefox\Content Analysis (DLP)\Interception Points\Clipboard Copy
  • Plain Text Only
    Computer and user · Mozilla\Firefox\Content Analysis (DLP)\Interception Points\Drag And Drop
    • The policy's own registry value Software\Policies\Mozilla\Firefox\ContentAnalysis\InterceptionPoints\DragAndDrop\PlainText[removed: Enabled][added: Only]
    • Option removed [removed: PlainTextEnabled]
    • New option [added: PlainTextOnly]
  • Maximum connectionsNew
    Computer and user · Mozilla\Firefox\Content Analysis (DLP)
  • Improve the Firefox Suggest experience (Deprecated)Deprecated
    Computer and user · Mozilla\Firefox\Firefox Suggest (US only)
    • Renamed Improve the Firefox Suggest experience[added: (Deprecated)]
    • Description [added: This policy is deprecated. Use "Enable online suggestions" instead. If both are set, "Enable online suggestions" takes precedence. ]If this policy is enabled, you will help create a richer search …
      Whole description, marked

      [added: This policy is deprecated. Use "Enable online suggestions" instead. If both are set, "Enable online suggestions" takes precedence. ]If this policy is enabled, you will help create a richer search experience by allowing Mozilla to process your search queries. If this policy is disabled or not configured, you do not allow Mozilla to process your search queries.

  • Enable online suggestionsNew
    Computer and user · Mozilla\Firefox\Firefox Suggest (US only)
  • Smart WindowNew
    Computer and user · Mozilla\Firefox\Generative AI
  • Notification period (hours)New
    Computer and user · Mozilla\Firefox\Required Relaunch After Update
  • Relaunch hourNew
    Computer and user · Mozilla\Firefox\Required Relaunch After Update
  • Relaunch minuteNew
    Computer and user · Mozilla\Firefox\Required Relaunch After Update
  • Default search engine for private browsingNew
    Computer and user · Mozilla\Firefox\Search

Cite this release

The exact files ChangeIntel read; they never change at this address
Release
Mozilla Firefox 8.4 (stable)
Published
13 Oct 2026
Collected
19 Oct 2026 23:30 UTC
Templates
2 ADMX files, 8 ADML files in 4 languages
Package
policy_templates_v8.4.zip
File set SHA-256
a495190075c2a97481da8926bf9920e44e49e53c54b57509ae99e17957e1773b
Snapshot
06fd635cfeccc2085b2664478af44e10c97be0ba4e606d155aa05764450d9b37

Changed template files

9
FileChangeSHA-256 beforeSHA-256 after
de-DE/firefox.admlChangedd02a6b5fccad882b7382cda48a037a44009a4ba686cb3a7bcbe8eef3559fece5e555e2f07402c0993b53ea55c913f403941c05f34378b5fab823a666df28d483
de-DE/mozilla.admlChanged3c7b40f85fc472f3f3796e051884ba9e2ad5d5b72387c39d76e958170ed18940cf5dd71f00b574aa99937eec9e72819344f4280550ce17923f88f1820be78ac6
en-US/firefox.admlChanged2a15634081fe4847f690a1bea93df1b64d56b4778fc9f44bf5a6c72abe92941e387788a86cc584660843be619b4719c1565bfb33a895a1a34af5e6e83ae89302
en-US/mozilla.admlChanged3c7b40f85fc472f3f3796e051884ba9e2ad5d5b72387c39d76e958170ed18940cf5dd71f00b574aa99937eec9e72819344f4280550ce17923f88f1820be78ac6
firefox.admxChanged53bd8d201fb674ad8e8fad9f31572b87248595879afc2e911317142747fdf4cd6f32bc4afc7bf141c9713598122d0786a981f318112b6d09ca1caf1399d26f05
fr-FR/firefox.admlChangedf311a5df3f38913f36f7be6eb21c8ac7595fc0e6576c18b8be8dd910a6d1363d490fb3389b2add7a6c8c801fd9697925707c3e0e4ad786b00f25580b979d7e61
fr-FR/mozilla.admlChanged3c7b40f85fc472f3f3796e051884ba9e2ad5d5b72387c39d76e958170ed18940cf5dd71f00b574aa99937eec9e72819344f4280550ce17923f88f1820be78ac6
ru-RU/firefox.admlChanged0fc57b3b289885ef6005175b8b0bb1f3a39db16a95d9a7748e7b07f0d17563defb44ed34899ab434f7529df31d354e484872f72d8d5f4f838d74d7425610d215
ru-RU/mozilla.admlChanged3c7b40f85fc472f3f3796e051884ba9e2ad5d5b72387c39d76e958170ed18940cf5dd71f00b574aa99937eec9e72819344f4280550ce17923f88f1820be78ac6
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 20 Oct 22:55 UTC · 258 of 260 readable · 256 fully read · documentation 416/439 current

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