stable26 Mar 2026 to 20 Aug 2026

Mozilla Firefox: 7.9 to 8.1

30 new settings, 69 changed since 7.9. 6 retained releases apart.

CSV JSONBrowse its 412 settings Vendor download page

New settings

30 settings · compared with 7.9

Control use of the Web Serial APINew
Computer and user · Mozilla\Firefox
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\Default
Block TrackersNew
Computer and user · Mozilla\Firefox\Local Network Access
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\Default
WeatherNew
Computer and user · Mozilla\Firefox\Firefox Home
Enable PromptingNew
Computer and user · Mozilla\Firefox\Local Network Access
IP Protection (VPN) AvailabilityNew
Computer and user · Mozilla\Firefox
EnabledNew
Computer and user · Mozilla\Firefox\Local Network Access
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\Key Points in Link Previews
LockedNew
Computer and user · Mozilla\Firefox\Local Network Access
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\Key Points in Link Previews
Skip DomainsNew
Computer and user · Mozilla\Firefox\Local Network Access
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\PDF Image Alt Text
Enable XSLTNew
Computer and user · Mozilla\Firefox
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\PDF Image Alt Text
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\Chatbot in Sidebar
Enable CNSA 2.0 key agreementNew
Computer and user · Mozilla\Firefox
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\Chatbot in Sidebar
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\Tab Group Suggestions
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\Tab Group Suggestions
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\Smart Window
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\Smart Window
Enable default browser settingNew
Computer and user · Mozilla\Firefox
LockedNew
Computer and user · Mozilla\Firefox\AI Controls\Translations
ValueNew
Computer and user · Mozilla\Firefox\AI Controls\Translations
ExceptionsNew
Computer and user · Mozilla\Firefox\Clear data when browser is closed
Site Policies (JSON)New
Computer and user · Mozilla\Firefox
Site Policies (JSON on one line)New
Computer and user · Mozilla\Firefox
Disable Remote Settings and accept security consequencesNew
Computer and user · Mozilla\Firefox
Also open a new tab when restoring previous windows and tabsNew
Computer and user · Mozilla\Firefox\Home page