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// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// Non-static prefs that are specific to desktop Firefox belong in this file
// (unless there is a compelling and documented reason for them to belong in
// another file).
//
// Please indent all prefs defined within #ifdef/#ifndef conditions. This
// improves readability, particular for conditional blocks that exceed a single
// screen.
#ifdef XP_UNIX
#ifndef XP_MACOSX
#define UNIX_BUT_NOT_MAC
#endif
#endif
// Set add-ons abuse report related prefs specific to Firefox Desktop.
pref("extensions.abuseReport.enabled", true);
pref("extensions.abuseReport.amWebAPI.enabled", true);
pref("extensions.abuseReport.amoFormEnabled", true);
// Enables some extra Extension System Logging (can reduce performance)
pref("extensions.logging.enabled", false);
// Disables strict compatibility, making addons compatible-by-default.
pref("extensions.strictCompatibility", false);
pref("extensions.webextOptionalPermissionPrompts", true);
// If enabled, install origin permission verification happens after addons are downloaded.
pref("extensions.postDownloadThirdPartyPrompt", true);
// Preferences for AMO integration
pref("extensions.getAddons.cache.enabled", true);
pref("extensions.getAddons.get.url", "https://services.addons.mozilla.org/api/v4/addons/search/?guid=%IDS%&lang=%LOCALE%");
pref("extensions.getAddons.search.browseURL", "https://addons.mozilla.org/%LOCALE%/firefox/search?q=%TERMS%&platform=%OS%&appver=%VERSION%");
pref("extensions.getAddons.langpacks.url", "https://services.addons.mozilla.org/api/v4/addons/language-tools/?app=firefox&type=language&appversion=%VERSION%");
pref("extensions.getAddons.discovery.api_url", "https://services.addons.mozilla.org/api/v4/discovery/?lang=%LOCALE%&edition=%DISTRIBUTION%");
pref("extensions.getAddons.browserMappings.url", "https://services.addons.mozilla.org/api/v5/addons/browser-mappings/?browser=%BROWSER%");
// The URL for the privacy policy related to recommended extensions.
pref("extensions.recommendations.privacyPolicyUrl", "https://www.mozilla.org/privacy/firefox/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_content=privacy-policy-link#addons");
// The URL for Firefox Color, recommended on the theme page in about:addons.
pref("extensions.recommendations.themeRecommendationUrl", "https://color.firefox.com/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_content=theme-footer-link");
pref("extensions.update.autoUpdateDefault", true);
// Check AUS for system add-on updates.
pref("extensions.systemAddon.update.url", "https://aus5.mozilla.org/update/3/SystemAddons/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml");
pref("extensions.systemAddon.update.enabled", true);
// Disable add-ons that are not installed by the user in all scopes by default.
// See the SCOPE constants in AddonManager.sys.mjs for values to use here.
pref("extensions.autoDisableScopes", 15);
// Scopes to scan for changes at startup.
pref("extensions.startupScanScopes", 0);
pref("extensions.geckoProfiler.acceptedExtensionIds", "geckoprofiler@mozilla.com,quantum-foxfooding@mozilla.com,raptor@mozilla.org");
pref("extensions.webextensions.remote", true);
// Require signed add-ons by default
pref("extensions.langpacks.signatures.required", true);
pref("xpinstall.signatures.required", true);
// Dictionary download preference
pref("browser.dictionaries.download.url", "https://addons.mozilla.org/%LOCALE%/firefox/language-tools/");
// At startup, should we check to see if the installation
// date is older than some threshold
pref("app.update.checkInstallTime", true);
// The number of days a binary is permitted to be old without checking is defined in
// firefox-branding.js (app.update.checkInstallTime.days)
// The minimum delay in seconds for the timer to fire between the notification
// of each consumer of the timer manager.
// minimum=30 seconds, default=120 seconds, and maximum=300 seconds
pref("app.update.timerMinimumDelay", 120);
// The minimum delay in milliseconds for the first firing after startup of the timer
// to notify consumers of the timer manager.
// minimum=10 seconds, default=30 seconds, and maximum=120 seconds
pref("app.update.timerFirstInterval", 30000);
// App-specific update preferences
// The interval to check for updates (app.update.interval) is defined in
// firefox-branding.js
// Enables some extra Application Update Logging (can reduce performance)
pref("app.update.log", false);
// Causes Application Update Logging to be sent to a file in the profile
// directory. This preference is automatically disabled on application start to
// prevent it from being left on accidentally. Turning this pref on enables
// logging, even if app.update.log is false.
pref("app.update.log.file", false);
// The number of general background check failures to allow before notifying the
// user of the failure. User initiated update checks always notify the user of
// the failure.
pref("app.update.backgroundMaxErrors", 10);
// How many times we should let downloads fail before prompting the user to
// download a fresh installer.
pref("app.update.download.maxAttempts", 2);
// How many times we should let an elevation prompt fail before prompting the user to
// download a fresh installer.
pref("app.update.elevate.maxAttempts", 2);
#ifdef NIGHTLY_BUILD
// Whether to delay popup notifications when an update is available and
// suppress them when an update is installed and waiting for user to restart.
// If set to true, these notifications will immediately be shown as banners in
// the app menu and as badges on the app menu button. Update available
// notifications will not create popup prompts until a week has passed without
// the user installing the update. Update restart notifications will not
// create popup prompts at all. This doesn't affect update notifications
// triggered by errors/failures or manual install prompts.
pref("app.update.suppressPrompts", false);
#endif
// If set to true, a message will be displayed in the hamburger menu while
// an update is being downloaded.
pref("app.update.notifyDuringDownload", false);
// If set to true, the Update Service will automatically download updates if the
// user can apply updates. This pref is no longer used on Windows, except as the
// default value to migrate to the new location that this data is now stored
// (which is in a file in the update directory). Because of this, this pref
// should no longer be used directly. Instead, getAppUpdateAutoEnabled and
// getAppUpdateAutoEnabled from UpdateUtils.sys.mjs should be used.
#ifndef XP_WIN
pref("app.update.auto", true);
#endif
// If set to true, the Update Service will apply updates in the background
// when it finishes downloading them.
pref("app.update.staging.enabled", true);
// Update service URL:
// app.update.url.manual is in branding section
// app.update.url.details is in branding section
// app.update.badgeWaitTime is in branding section
// app.update.interval is in branding section
// app.update.promptWaitTime is in branding section
// Whether or not to attempt using the service for updates.
#ifdef MOZ_MAINTENANCE_SERVICE
pref("app.update.service.enabled", true);
#endif
#ifdef MOZ_BITS_DOWNLOAD
// If set to true, the Update Service will attempt to use Windows BITS to
// download updates and will fallback to downloading internally if that fails.
pref("app.update.BITS.enabled", true);
#endif
pref("app.update.langpack.enabled", true);
#if defined(MOZ_UPDATE_AGENT)
pref("app.update.background.loglevel", "error");
pref("app.update.background.timeoutSec", 600);
// By default, check for updates when the browser is not running every 7 hours.
pref("app.update.background.interval", 25200);
// By default, snapshot Firefox Messaging System targeting for use by the
// background update task every 60 minutes.
pref("app.update.background.messaging.targeting.snapshot.intervalSec", 3600);
// For historical reasons, the background update process requires the Mozilla
// Maintenance Service to be available and enabled via the service registry
// key. When this value is `true`, allow the background update process to
// update unelevated installations (that are writeable, etc).
//
// N.b. This feature impacts the `applications: firefox_desktop` Nimbus
// application ID (and not the `firefox_desktop_background_task` application
// ID). However, the pref will be automatically mirrored to the background
// update task profile. This means that experiments and enrollment impact the
// Firefox Desktop browsing profile that _schedules_ the background update
// task, and then the background update task collects telemetry in accordance
// with the mirrored pref.
pref("app.update.background.allowUpdatesForUnelevatedInstallations", false);
#endif
#ifdef XP_MACOSX
// If set to true, Firefox will automatically restart if it is left running
// with no browser windows open.
pref("app.update.noWindowAutoRestart.enabled", true);
// How long to wait after all browser windows are closed before restarting,
// in milliseconds. 5 min = 300000 ms
pref("app.update.noWindowAutoRestart.delayMs", 300000);
#endif
#if defined(MOZ_BACKGROUNDTASKS)
// The amount of time, in seconds, before background tasks time out and exit.
// Tasks can override this default (10 minutes).
pref("toolkit.backgroundtasks.defaultTimeoutSec", 600);
#endif
// Symmetric (can be overridden by individual extensions) update preferences.
// e.g.
// extensions.{GUID}.update.enabled
// extensions.{GUID}.update.url
// .. etc ..
//
pref("extensions.update.enabled", true);
pref("extensions.update.background.url", "https://versioncheck-bg.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%¤tAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%");
pref("extensions.update.interval", 86400); // Check for updates to Extensions and
// Themes every day
#if defined(MOZ_WIDEVINE_EME)
pref("browser.eme.ui.enabled", true);
#else
pref("browser.eme.ui.enabled", false);
#endif
// UI tour experience.
pref("browser.uitour.enabled", true);
pref("browser.uitour.loglevel", "Error");
pref("browser.uitour.requireSecure", true);
// How long to show a Hearbeat survey (two hours, in seconds)
pref("browser.uitour.surveyDuration", 7200);
pref("keyword.enabled", true);
// Fixup whitelists, the urlbar won't try to search for these words, but will
// instead consider them valid TLDs. Don't check these directly, use
// Services.uriFixup.isDomainKnown() instead.
pref("browser.fixup.domainwhitelist.localhost", true);
pref("browser.fixup.domainsuffixwhitelist.test", true);
pref("browser.fixup.domainsuffixwhitelist.example", true);
pref("browser.fixup.domainsuffixwhitelist.invalid", true);
pref("browser.fixup.domainsuffixwhitelist.localhost", true);
pref("browser.fixup.domainsuffixwhitelist.internal", true);
pref("browser.fixup.domainsuffixwhitelist.local", true);
// Whether to always go through the DNS server before sending a single word
// search string, that may contain a valid host, to a search engine.
pref("browser.fixup.dns_first_for_single_words", false);
#ifdef UNIX_BUT_NOT_MAC
pref("general.autoScroll", false);
#else
pref("general.autoScroll", true);
#endif
// UI density of the browser chrome. This mostly affects toolbarbutton
// and urlbar spacing. The possible values are 0=normal, 1=compact, 2=touch.
pref("browser.uidensity", 0);
// Whether Firefox will automatically override the uidensity to "touch"
// while the user is in a touch environment (such as Windows tablet mode).
pref("browser.touchmode.auto", true);
// Whether Firefox will show the Compact Mode UIDensity option.
pref("browser.compactmode.show", false);
// At startup, check if we're the default browser and prompt user if not.
pref("browser.shell.checkDefaultBrowser", true);
pref("browser.shell.shortcutFavicons",true);
pref("browser.shell.mostRecentDateSetAsDefault", "");
pref("browser.shell.skipDefaultBrowserCheckOnFirstRun", true);
pref("browser.shell.didSkipDefaultBrowserCheckOnFirstRun", false);
pref("browser.shell.defaultBrowserCheckCount", 0);
#if defined(XP_WIN)
// Attempt to set the default browser on Windows 10 using the UserChoice registry keys,
// before falling back to launching the modern Settings dialog.
pref("browser.shell.setDefaultBrowserUserChoice", true);
// When setting the default browser on Windows 10 using the UserChoice
// registry keys, also try to set Firefox as the default PDF handler.
pref("browser.shell.setDefaultPDFHandler", true);
// When setting Firefox as the default PDF handler (subject to conditions
// above), only set Firefox as the default PDF handler when the existing handler
// is a known browser, and not when existing handler is another PDF handler such
// as Acrobat Reader or Nitro PDF.
pref("browser.shell.setDefaultPDFHandler.onlyReplaceBrowsers", true);
// Whether or not to we are allowed to prompt the user to set Firefox as their
// default PDF handler.
pref("browser.shell.checkDefaultPDF", true);
// Will be set to `true` if the user indicates that they don't want to be asked
// again about Firefox being their default PDF handler any more.
pref("browser.shell.checkDefaultPDF.silencedByUser", false);
#endif
// 0 = blank, 1 = home (browser.startup.homepage), 2 = last visited page, 3 = resume previous browser session
pref("browser.startup.page", 1);
pref("browser.startup.homepage", "about:home");
pref("browser.startup.homepage.abouthome_cache.enabled", true);
pref("browser.startup.homepage.abouthome_cache.loglevel", "Warn");
// Whether we should skip the homepage when opening the first-run page
pref("browser.startup.firstrunSkipsHomepage", true);
// Whether we should show the session-restore infobar on startup
pref("browser.startup.couldRestoreSession.count", 0);
// Show an about:blank window as early as possible for quick startup feedback.
// Disabled on Mac because the bouncing dock icon already provides feedback.
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK) && defined(NIGHTLY_BUILD)
pref("browser.startup.blankWindow", true);
#else
pref("browser.startup.blankWindow", false);
#endif
// Show a skeleton UI window prior to loading libxul. Only visible for windows
// users as it is not implemented anywhere else.
#if defined(XP_WIN)
pref("browser.startup.preXulSkeletonUI", true);
// Whether the checkbox to enable Windows launch on login is shown
pref("browser.startup.windowsLaunchOnLogin.enabled", false);
// Whether to show the launch on login infobar notification
pref("browser.startup.windowsLaunchOnLogin.disableLaunchOnLoginPrompt", false);
#endif
// Show an upgrade dialog on major upgrades.
pref("browser.startup.upgradeDialog.enabled", false);
pref("browser.chrome.site_icons", true);
// browser.warnOnQuit == false will override all other possible prompts when quitting or restarting
pref("browser.warnOnQuit", true);
// Whether to warn when quitting when using the shortcut key.
#if defined(XP_WIN)
pref("browser.warnOnQuitShortcut", false);
#else
pref("browser.warnOnQuitShortcut", true);
#endif
#ifdef XP_MACOSX
pref("browser.fullscreen.autohide", false);
#else
pref("browser.fullscreen.autohide", true);
#endif
pref("browser.overlink-delay", 80);
pref("browser.theme.colorway-closet", true);
#ifdef XP_MACOSX
#ifdef NIGHTLY_BUILD
pref("browser.theme.macos.native-theme", true);
#else
pref("browser.theme.macos.native-theme", false);
#endif
#endif
// Whether expired built-in colorways themes that are active or retained
// should be allowed to check for updates and be updated to an AMO hosted
// theme with the same id (as part of preparing to remove from mozilla-central
// all the expired built-in colorways themes, after existing users have been
// migrated to colorways themes hosted on AMO).
pref("browser.theme.colorway-migration", true);
// Whether using `ctrl` when hitting return/enter in the URL bar
// (or clicking 'go') should prefix 'www.' and suffix
// browser.fixup.alternate.suffix to the URL bar value prior to
// navigating.
pref("browser.urlbar.ctrlCanonizesURLs", true);
// Whether we announce to screen readers when tab-to-search results are
// inserted.
pref("browser.urlbar.accessibility.tabToSearch.announceResults", true);
// Control autoFill behavior
pref("browser.urlbar.autoFill", true);
// Whether enabling adaptive history autofill.
pref("browser.urlbar.autoFill.adaptiveHistory.enabled", false);
// Minimum char length of the user's search string to enable adaptive history
// autofill.
pref("browser.urlbar.autoFill.adaptiveHistory.minCharsThreshold", 0);
// Whether to warm up network connections for autofill or search results.
pref("browser.urlbar.speculativeConnect.enabled", true);
// Whether bookmarklets should be filtered out of Address Bar matches.
// This is enabled for security reasons, when true it is still possible to
// search for bookmarklets typing "javascript: " followed by the actual query.
pref("browser.urlbar.filter.javascript", true);
// Enable a certain level of urlbar logging to the Browser Console. See
// ConsoleInstance.webidl.
pref("browser.urlbar.loglevel", "Error");
// the maximum number of results to show in autocomplete when doing richResults
pref("browser.urlbar.maxRichResults", 10);
// The maximum number of historical search results to show.
pref("browser.urlbar.maxHistoricalSearchSuggestions", 2);
// The default behavior for the urlbar can be configured to use any combination
// of the match filters with each additional filter adding more results (union).
pref("browser.urlbar.suggest.bookmark", true);
pref("browser.urlbar.suggest.clipboard", true);
pref("browser.urlbar.suggest.history", true);
pref("browser.urlbar.suggest.openpage", true);
pref("browser.urlbar.suggest.remotetab", true);
pref("browser.urlbar.suggest.searches", true);
pref("browser.urlbar.suggest.topsites", true);
pref("browser.urlbar.suggest.engines", true);
pref("browser.urlbar.suggest.calculator", false);
pref("browser.urlbar.suggest.recentsearches", true);
#if defined(EARLY_BETA_OR_EARLIER)
// Enable QuickActions and its urlbar search mode button.
pref("browser.urlbar.quickactions.enabled", true);
pref("browser.urlbar.suggest.quickactions", true);
pref("browser.urlbar.shortcuts.quickactions", true);
pref("browser.urlbar.quickactions.showPrefs", true);
#endif
#if defined(EARLY_BETA_OR_EARLIER)
// Enable Trending suggestions.
pref("browser.urlbar.trending.featureGate", true);
#endif
// Enable Rich Entities.
pref("browser.urlbar.richSuggestions.featureGate", true);
pref("browser.search.param.search_rich_suggestions", "fen");
// Feature gate pref for weather suggestions in the urlbar.
pref("browser.urlbar.weather.featureGate", false);
// Enable clipboard suggestions feature, the pref should be removed once stable.
pref("browser.urlbar.clipboard.featureGate", true);
// When false, the weather suggestion will not be fetched when a VPN is
// detected. When true, it will be fetched anyway.
pref("browser.urlbar.weather.ignoreVPN", false);
// The minimum prefix length of a weather keyword the user must type to trigger
// the suggestion. 0 means the min length should be taken from Nimbus or remote
// settings.
pref("browser.urlbar.weather.minKeywordLength", 0);
// If `browser.urlbar.weather.featureGate` is true, this controls whether
// weather suggestions are turned on.
pref("browser.urlbar.suggest.weather", true);
// If `browser.urlbar.trending.featureGate` is true, this controls whether
// trending suggestions are turned on.
pref("browser.urlbar.suggest.trending", true);
// Whether non-sponsored quick suggest results are shown in the urlbar. This
// pref is exposed to the user in the UI, and it's sticky so that its
// user-branch value persists regardless of whatever Firefox Suggest scenarios,
// with their various default-branch values, the user is enrolled in over time.
pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false, sticky);
// Whether sponsored quick suggest results are shown in the urlbar. This pref is
// exposed to the user in the UI, and it's sticky so that its user-branch value
// persists regardless of whatever Firefox Suggest scenarios, with their various
// default-branch values, the user is enrolled in over time.
pref("browser.urlbar.suggest.quicksuggest.sponsored", false, sticky);
// Whether data collection is enabled for quick suggest results in the urlbar.
// This pref is exposed to the user in the UI, and it's sticky so that its
// user-branch value persists regardless of whatever Firefox Suggest scenarios,
// with their various default-branch values, the user is enrolled in over time.
pref("browser.urlbar.quicksuggest.dataCollection.enabled", false, sticky);
// Whether the Firefox Suggest contextual opt-in result is enabled. If true,
// this implicitly disables shouldShowOnboardingDialog.
pref("browser.urlbar.quicksuggest.contextualOptIn", false);
// Controls which variant of the copy is used for the Firefox Suggest
// contextual opt-in result.
pref("browser.urlbar.quicksuggest.contextualOptIn.sayHello", false);
// Controls whether the Firefox Suggest contextual opt-in result appears at
// the top of results or at the bottom, after one-off buttons.
pref("browser.urlbar.quicksuggest.contextualOptIn.topPosition", true);
// Whether the quick suggest feature in the urlbar is enabled.
pref("browser.urlbar.quicksuggest.enabled", false);
// Whether Firefox Suggest will use the new Rust backend instead of the original
// JS backend.
pref("browser.urlbar.quicksuggest.rustEnabled", true);
// Whether to show the QuickSuggest onboarding dialog.
pref("browser.urlbar.quicksuggest.shouldShowOnboardingDialog", true);
// Show QuickSuggest onboarding dialog on the nth browser restarts.
pref("browser.urlbar.quicksuggest.showOnboardingDialogAfterNRestarts", 0);
// The indexes of the sponsored and non-sponsored quick suggest results within
// the general results group.
pref("browser.urlbar.quicksuggest.sponsoredIndex", -1);
pref("browser.urlbar.quicksuggest.nonSponsoredIndex", -1);
// Whether quick suggest results can be shown in position specified in the
// suggestions.
pref("browser.urlbar.quicksuggest.allowPositionInSuggestions", true);
// Whether non-sponsored quick suggest results are subject to impression
// frequency caps.
pref("browser.urlbar.quicksuggest.impressionCaps.nonSponsoredEnabled", false);
// Whether sponsored quick suggest results are subject to impression frequency
// caps.
pref("browser.urlbar.quicksuggest.impressionCaps.sponsoredEnabled", false);
// Whether unit conversion is enabled.
#ifdef NIGHTLY_BUILD
pref("browser.urlbar.unitConversion.enabled", true);
#else
pref("browser.urlbar.unitConversion.enabled", false);
#endif
// Whether to show search suggestions before general results like history and
// bookmarks.
pref("browser.urlbar.showSearchSuggestionsFirst", true);
// As a user privacy measure, don't fetch search suggestions if a pasted string
// is longer than this.
pref("browser.urlbar.maxCharsForSearchSuggestions", 100);
pref("browser.urlbar.trimURLs", true);
#ifdef NIGHTLY_BUILD
pref("browser.urlbar.trimHttps", true);
#else
pref("browser.urlbar.trimHttps", false);
#endif
// If changed to true, copying the entire URL from the location bar will put the
// human readable (percent-decoded) URL on the clipboard.
pref("browser.urlbar.decodeURLsOnCopy", false);
// Whether or not to move tabs into the active window when using the "Switch to
// Tab" feature of the awesomebar.
pref("browser.urlbar.switchTabs.adoptIntoActiveWindow", false);
// Controls whether searching for open tabs returns tabs from any container
// or only from the current container.
pref("browser.urlbar.switchTabs.searchAllContainers", true);
// Whether addresses and search results typed into the address bar
// should be opened in new tabs by default.
pref("browser.urlbar.openintab", false);
// Allow the result menu button to be reached with the Tab key.
pref("browser.urlbar.resultMenu.keyboardAccessible", true);
// If true, we show tail suggestions when available.
pref("browser.urlbar.richSuggestions.tail", true);
// If true, top sites may include sponsored ones.
pref("browser.urlbar.sponsoredTopSites", false);
// Global toggle for whether the show search terms feature
// can be used at all, and enabled/disabled by the user.
#if defined(EARLY_BETA_OR_EARLIER)
pref("browser.urlbar.showSearchTerms.featureGate", true);
#else
pref("browser.urlbar.showSearchTerms.featureGate", false);
#endif
// If true, show the search term in the Urlbar while on
// a default search engine results page.
pref("browser.urlbar.showSearchTerms.enabled", true);
// Controls the empty search behavior in Search Mode:
// 0 - Show nothing
// 1 - Show search history
// 2 - Show search and browsing history
pref("browser.urlbar.update2.emptySearchBehavior", 0);
// Whether the urlbar displays one-offs to filter searches to history,
// bookmarks, or tabs.
pref("browser.urlbar.shortcuts.bookmarks", true);
pref("browser.urlbar.shortcuts.tabs", true);
pref("browser.urlbar.shortcuts.history", true);
// When we send events to Urlbar extensions, we wait this amount of time in
// milliseconds for them to respond before timing out.
pref("browser.urlbar.extension.timeout", 400);
// Controls when to DNS resolve single word search strings, after they were
// searched for. If the string is resolved as a valid host, show a
// "Did you mean to go to 'host'" prompt.
// 0 - never resolve; 1 - use heuristics (default); 2 - always resolve
pref("browser.urlbar.dnsResolveSingleWordsAfterSearch", 0);
// Whether the results panel should be kept open during IME composition.
// The default value is false because some IME open a picker panel, and we end
// up with two panels on top of each other. Since for now we can't detect that
// we leave this choice to the user, hopefully in the future this can be flipped
// for everyone.
pref("browser.urlbar.keepPanelOpenDuringImeComposition", false);
// Whether Firefox Suggest group labels are shown in the urlbar view.
pref("browser.urlbar.groupLabels.enabled", true);
// The Merino endpoint URL, not including parameters.
// Timeout for Merino fetches (ms).
pref("browser.urlbar.merino.timeoutMs", 200);
// Comma-separated list of providers to request from Merino
pref("browser.urlbar.merino.providers", "");
// Comma-separated list of client variants to send to Merino
pref("browser.urlbar.merino.clientVariants", "");
// Enable site specific search result.
pref("browser.urlbar.contextualSearch.enabled", false);
// Feature gate pref for addon suggestions in the urlbar.
pref("browser.urlbar.addons.featureGate", true);
// If `browser.urlbar.addons.featureGate` is true, this controls whether
// addons suggestions are turned on.
pref("browser.urlbar.suggest.addons", true);
// If `browser.urlbar.mdn.featureGate` is true, this controls whether
// mdn suggestions are turned on.
pref("browser.urlbar.suggest.mdn", true);
// Feature gate pref for Yelp suggestions in the urlbar.
pref("browser.urlbar.yelp.featureGate", false);
// The minimum prefix length of a Yelp keyword the user must type to trigger the
// suggestion. 0 means the min length should be taken from Nimbus.
pref("browser.urlbar.yelp.minKeywordLength", 0);
// Whether Yelp suggestions should be shown as top picks.
pref("browser.urlbar.yelp.priority", false);
// The group-relative suggestedIndex of Yelp suggestions within the Firefox
// Suggest section. Ignored when Yelp suggestions are shown as top picks.
pref("browser.urlbar.yelp.suggestedIndex", 0);
// If `browser.urlbar.yelp.featureGate` is true, this controls whether
// Yelp suggestions are turned on.
pref("browser.urlbar.suggest.yelp", true);
// The minimum prefix length of addons keyword the user must type to trigger
// the suggestion. 0 means the min length should be taken from Nimbus.
pref("browser.urlbar.addons.minKeywordLength", 0);
// Feature gate pref for Pocket suggestions in the urlbar.
pref("browser.urlbar.pocket.featureGate", false);
// If `browser.urlbar.pocket.featureGate` is true, this controls whether Pocket
// suggestions are turned on.
pref("browser.urlbar.suggest.pocket", true);
pref("browser.altClickSave", false);
// Enable logging downloads operations to the Console.
pref("browser.download.loglevel", "Error");
// Number of milliseconds to wait for the http headers (and thus
// the Content-Disposition filename) before giving up and falling back to
// picking a filename without that info in hand so that the user sees some
// feedback from their action.
pref("browser.download.saveLinkAsFilenameTimeout", 4000);
pref("browser.download.useDownloadDir", true);
pref("browser.download.folderList", 1);
pref("browser.download.manager.addToRecentDocs", true);
pref("browser.download.manager.resumeOnWakeDelay", 10000);
// This records whether or not the panel has been shown at least once.
pref("browser.download.panel.shown", false);
// This records whether or not to show the 'Open in system viewer' context menu item when appropriate
pref("browser.download.openInSystemViewerContextMenuItem", true);
// This records whether or not to show the 'Always open...' context menu item when appropriate
pref("browser.download.alwaysOpenInSystemViewerContextMenuItem", true);
// Open downloaded file types internally for the given types.
// This is a comma-separated list, the empty string ("") means no types are
// viewable internally.
pref("browser.download.viewableInternally.enabledTypes", "xml,svg,webp,avif,jxl");
// This controls whether the button is automatically shown/hidden depending
// on whether there are downloads to show.
pref("browser.download.autohideButton", true);
// Controls whether to open the downloads panel every time a download begins.
// The first download ever run in a new profile will still open the panel.
pref("browser.download.alwaysOpenPanel", true);
// Determines the behavior of the "Delete" item in the downloads context menu.
// Valid values are 0, 1, and 2.
// 0 - Don't remove the download from session list or history.
// 1 - Remove the download from session list, but not history.
// 2 - Remove the download from both session list and history.
pref("browser.download.clearHistoryOnDelete", 0);
#ifndef XP_MACOSX
pref("browser.helperApps.deleteTempFileOnExit", true);
#endif
// This controls the visibility of the radio button in the
// Unknown Content Type (Helper App) dialog that will open
// the content in the browser for PDF and for other
// Viewable Internally types
// (see browser.download.viewableInternally.enabledTypes)
pref("browser.helperApps.showOpenOptionForPdfJS", true);
pref("browser.helperApps.showOpenOptionForViewableInternally", true);
// search engines URL
pref("browser.search.searchEnginesURL", "https://addons.mozilla.org/%LOCALE%/firefox/search-engines/");
// search bar results always open in a new tab
pref("browser.search.openintab", false);
// context menu searches open in the foreground
pref("browser.search.context.loadInBackground", false);
// Mirrors whether the search-container widget is in the navigation toolbar.
pref("browser.search.widget.inNavBar", false);
// Enables display of the options for the user using a separate default search
// engine in private browsing mode.
pref("browser.search.separatePrivateDefault.ui.enabled", false);
// The maximum amount of times the private default banner is shown.
pref("browser.search.separatePrivateDefault.ui.banner.max", 0);
// Enables search SERP telemetry (impressions, engagements and abandonment)
pref("browser.search.serpEventTelemetry.enabled", true);
// Enables search SERP telemetry page categorization.
#ifdef NIGHTLY_BUILD
pref("browser.search.serpEventTelemetryCategorization.enabled", true);
#else
pref("browser.search.serpEventTelemetryCategorization.enabled", false);
#endif
// Search Bar removal from the toolbar for users who haven’t used it in 120
// days
pref("browser.search.widget.removeAfterDaysUnused", 120);
// Enable new experimental shopping features. This is solely intended as a
// rollout/"emergency stop" button - it will go away once the feature has
// rolled out. There will be separate controls for user opt-in/opt-out.
pref("browser.shopping.experience2023.enabled", false);
// Ternary int-valued pref indicating if the user has opted into the new
// experimental shopping feature.
// 0 means the user has not opted in or out.
// 1 means the user has opted in.
// 2 means the user has opted out.
pref("browser.shopping.experience2023.optedIn", 0);
// Activates the new experimental shopping sidebar.
// True by default. This is handled by ShoppingUtils.handleAutoActivateOnProduct
// to auto-activate the sidebar for non-opted-in users up to 2 times.
pref("browser.shopping.experience2023.active", true);
// Enables ad exposure telemetry for users opted in to the shopping experience:
// when this pref is true, each time a product is analyzed, we record if an ad
// was available for that product. This value will be toggled via a nimbus
// experiment, so that we can pause collection if the ads server struggles
// under load.
pref("browser.shopping.experience2023.ads.exposure", false);
// Enables the ad / recommended product feature for the shopping sidebar.
// If enabled, users can disable the ad card using the separate pref
// `browser.shopping.experience2023.ads.userEnabled` and visible toggle
// (this is just the feature flag).
pref("browser.shopping.experience2023.ads.enabled", false);
// Activates the ad card in the shopping sidebar.
// Unlike `browser.shopping.experience2023.ads.enabled`, this pref is controlled by users
// using the visible toggle.
pref("browser.shopping.experience2023.ads.userEnabled", true);
// Saves if shopping survey is enabled.
pref("browser.shopping.experience2023.survey.enabled", true);
// Saves if shopping survey is seen.
pref("browser.shopping.experience2023.survey.hasSeen", false);
// Number of PDP visits used to display shopping survey
pref("browser.shopping.experience2023.survey.pdpVisits", 0);
// Enables the auto-open feature for the shopping sidebar,
// including new callouts and settings UI changes
// (this is just the feature flag).
pref("browser.shopping.experience2023.autoOpen.enabled", false);
// Opens the shopping sidebar automatically when viewing a PDP.
pref("browser.shopping.experience2023.autoOpen.userEnabled", true);
// Number of times the sidebar has been closed in a session
pref("browser.shopping.experience2023.sidebarClosedCount", 0);
// When conditions are met, shows a prompt on the shopping sidebar asking users if they want to disable auto-open behavior
pref("browser.shopping.experience2023.showKeepSidebarClosedMessage", true);
// Enable display of megalist option in browser sidebar
// Keep it hidden from about:config for now.
// pref("browser.megalist.enabled", false);
// Enables the display of the Mozilla VPN banner in private browsing windows
pref("browser.privatebrowsing.vpnpromourl", "https://vpn.mozilla.org/?utm_source=firefox-browser&utm_medium=firefox-%CHANNEL%-browser&utm_campaign=private-browsing-vpn-link");
// Whether the user has opted-in to recommended settings for data features.
pref("browser.dataFeatureRecommendations.enabled", false);
// Temporary pref to control whether or not Private Browsing windows show up
// as separate icons in the Windows taskbar.
pref("browser.privateWindowSeparation.enabled", true);
// Use dark theme variant for PBM windows. This is only supported if the theme
// sets darkTheme data.
pref("browser.theme.dark-private-windows", true);
// Controls visibility of the privacy segmentation preferences section.
pref("browser.privacySegmentation.preferences.show", false);
pref("browser.sessionhistory.max_entries", 50);
// Built-in default permissions.
// Set default fallback values for site permissions we want
// the user to be able to globally change.
pref("permissions.default.camera", 0);
pref("permissions.default.microphone", 0);
pref("permissions.default.geo", 0);
pref("permissions.default.xr", 0);
pref("permissions.default.desktop-notification", 0);
pref("permissions.default.shortcuts", 0);
pref("permissions.desktop-notification.postPrompt.enabled", true);
pref("permissions.desktop-notification.notNow.enabled", false);
pref("permissions.fullscreen.allowed", false);
// Force external link opens into the default user context ID instead of guessing
// the most appropriate one based on the URL (https://bugzilla.mozilla.org/show_bug.cgi?id=1874599#c8)
pref("browser.link.force_default_user_context_id_for_external_opens", false);
// handle links targeting new windows
// 1=current window/tab, 2=new window, 3=new tab in most recent window
pref("browser.link.open_newwindow", 3);
// handle external links (i.e. links opened from a different application)
// default: use browser.link.open_newwindow
// 1-3: see browser.link.open_newwindow for interpretation
pref("browser.link.open_newwindow.override.external", -1);
// 0: no restrictions - divert everything
// 1: don't divert window.open at all
// 2: don't divert window.open with features
pref("browser.link.open_newwindow.restriction", 2);
// If true, this pref causes windows opened by window.open to be forced into new
// tabs (rather than potentially opening separate windows, depending on
// window.open arguments) when the browser is in fullscreen mode.
// We set this differently on Mac because the fullscreen implementation there is
// different.
#ifdef XP_MACOSX
pref("browser.link.open_newwindow.disabled_in_fullscreen", true);
#else
pref("browser.link.open_newwindow.disabled_in_fullscreen", false);
#endif
// Tabbed browser
pref("browser.tabs.closeTabByDblclick", false);
pref("browser.tabs.closeWindowWithLastTab", true);
pref("browser.tabs.allowTabDetach", true);
// Open related links to a tab, e.g., link in current tab, at next to the
// current tab if |insertRelatedAfterCurrent| is true. Otherwise, always
// append new tab to the end.
pref("browser.tabs.insertRelatedAfterCurrent", true);
// Open all links, e.g., bookmarks, history items at next to current tab
// if |insertAfterCurrent| is true. Otherwise, append new tab to the end
// for non-related links. Note that if this is set to true, it will trump
// the value of browser.tabs.insertRelatedAfterCurrent.
pref("browser.tabs.insertAfterCurrent", false);
pref("browser.tabs.warnOnClose", false);
pref("browser.tabs.warnOnCloseOtherTabs", true);
pref("browser.tabs.warnOnOpen", true);
pref("browser.tabs.maxOpenBeforeWarn", 15);
pref("browser.tabs.loadInBackground", true);
pref("browser.tabs.opentabfor.middleclick", true);
pref("browser.tabs.loadDivertedInBackground", false);
pref("browser.tabs.loadBookmarksInBackground", false);
pref("browser.tabs.loadBookmarksInTabs", false);
pref("browser.tabs.tabClipWidth", 140);
pref("browser.tabs.tabMinWidth", 76);
// Users running in any of the following language codes will have the
// secondary text on tabs hidden due to size constraints and readability
// of the text at small font sizes.
pref("browser.tabs.secondaryTextUnsupportedLocales", "ar,bn,bo,ckb,fa,gu,he,hi,ja,km,kn,ko,lo,mr,my,ne,pa,si,ta,te,th,ur,zh");
//Control the visibility of Tab Manager Menu.
pref("browser.tabs.tabmanager.enabled", true);
// When tabs opened by links in other tabs via a combination of
// browser.link.open_newwindow being set to 3 and target="_blank" etc are
// closed:
// true return to the tab that opened this tab (its owner)
// false return to the adjacent tab (old default)
pref("browser.tabs.selectOwnerOnClose", true);
// This should match Chromium's audio indicator delay.
pref("browser.tabs.delayHidingAudioPlayingIconMS", 3000);
// Pref to control whether we use a separate privileged content process
// for about: pages. This pref name did not age well: we will have multiple
// types of privileged content processes, each with different privileges.
// types of privleged content processes, each with different privleges.
pref("browser.tabs.remote.separatePrivilegedContentProcess", true);
#if defined(NIGHTLY_BUILD) && !defined(MOZ_ASAN)
// This pref will cause assertions when a remoteType triggers a process switch
// to a new remoteType it should not be able to trigger.
pref("browser.tabs.remote.enforceRemoteTypeRestrictions", true);
#endif
// Pref to control whether we use a separate privileged content process
// for certain mozilla webpages (which are listed in the pref
// browser.tabs.remote.separatedMozillaDomains).
pref("browser.tabs.remote.separatePrivilegedMozillaWebContentProcess", true);
#ifdef NIGHTLY_BUILD
pref("browser.tabs.tooltipsShowPidAndActiveness", true);
#else
pref("browser.tabs.tooltipsShowPidAndActiveness", false);
#endif
pref("browser.tabs.cardPreview.enabled", false);
pref("browser.tabs.cardPreview.showThumbnails", true);
pref("browser.tabs.firefox-view.logLevel", "Warn");
// allow_eval_* is enabled on Firefox Desktop only at this
// point in time
pref("security.allow_eval_with_system_principal", false);
pref("security.allow_eval_in_parent_process", false);
pref("security.allow_parent_unrestricted_js_loads", false);
// Unload tabs when available memory is running low
#if defined(XP_MACOSX) || defined(XP_WIN)
pref("browser.tabs.unloadOnLowMemory", true);
#else
pref("browser.tabs.unloadOnLowMemory", false);
#endif
// Tab Unloader does not unload tabs whose last inactive period is longer than
// this value (in milliseconds).
pref("browser.tabs.min_inactive_duration_before_unload", 600000);
// Does middleclick paste of clipboard to new tab button
#ifdef UNIX_BUT_NOT_MAC
pref("browser.tabs.searchclipboardfor.middleclick", true);
#else
pref("browser.tabs.searchclipboardfor.middleclick", false);
#endif
#if defined(XP_MACOSX)
// During low memory periods, poll with this frequency (milliseconds)
// until memory is no longer low. Changes to the pref take effect immediately.
// Browser restart not required. Chosen to be consistent with the windows
// implementation, but otherwise the 10s value is arbitrary.
pref("browser.lowMemoryPollingIntervalMS", 10000);
// Pref to control the reponse taken on macOS when the OS is under memory
// pressure. Changes to the pref take effect immediately. Browser restart not
// required. The pref value is a bitmask:
// 0x0: No response (other than recording for telemetry, crash reporting)
// 0x1: Use the tab unloading feature to reduce memory use. Requires that
// the above "browser.tabs.unloadOnLowMemory" pref be set to true for tab
// unloading to occur.
// 0x2: Issue the internal "memory-pressure" notification to reduce memory use
// 0x3: Both 0x1 and 0x2.
#if defined(NIGHTLY_BUILD)
pref("browser.lowMemoryResponseMask", 3);
#else
pref("browser.lowMemoryResponseMask", 0);
#endif
// Controls which macOS memory-pressure level triggers the browser low memory
// response. Changes to the pref take effect immediately. Browser restart not
// required. By default, use the "critical" level as that occurs after "warn"
// and we only want to trigger the low memory reponse when necessary.
// The macOS system memory-pressure level is either none, "warn", or
// "critical". The OS notifies the browser when the level changes. A false
// value for the pref indicates the low memory response should occur when
// reaching the "critical" level. A true value indicates the response should
// occur when reaching the "warn" level.
pref("browser.lowMemoryResponseOnWarn", false);
#endif
pref("browser.ctrlTab.sortByRecentlyUsed", false);
// By default, do not export HTML at shutdown.
// If true, at shutdown the bookmarks in your menu and toolbar will
// be exported as HTML to the bookmarks.html file.
pref("browser.bookmarks.autoExportHTML", false);
// The maximum number of daily bookmark backups to
// keep in {PROFILEDIR}/bookmarkbackups. Special values:
// -1: unlimited
// 0: no backups created (and deletes all existing backups)
pref("browser.bookmarks.max_backups", 15);
// Whether menu should close after Ctrl-click, middle-click, etc.
pref("browser.bookmarks.openInTabClosesMenu", true);
// Where new bookmarks go by default.
// Use PlacesUIUtils.defaultParentGuid to read this; do NOT read the pref
// directly.
// The value is one of:
// - a bookmarks guid
// - "toolbar", "menu" or "unfiled" for those folders.
// If we use the pref but the value isn't any of these, we'll fall back to
// the bookmarks toolbar as a default.
pref("browser.bookmarks.defaultLocation", "toolbar");
// Scripts & Windows prefs
pref("dom.disable_open_during_load", true);
// allow JS to move and resize existing windows
pref("dom.disable_window_move_resize", false);
// prevent JS from monkeying with window focus, etc
pref("dom.disable_window_flip", true);
pref("privacy.popups.showBrowserMessage", true);
pref("privacy.clearOnShutdown.history", true);
pref("privacy.clearOnShutdown.formdata", true);
pref("privacy.clearOnShutdown.downloads", true);
pref("privacy.clearOnShutdown.cookies", true);
pref("privacy.clearOnShutdown.cache", true);
pref("privacy.clearOnShutdown.sessions", true);
pref("privacy.clearOnShutdown.offlineApps", false);
pref("privacy.clearOnShutdown.siteSettings", false);
pref("privacy.clearOnShutdown.openWindows", false);
// Clear on shutdown prefs used in the new dialog
pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads", true);
pref("privacy.clearOnShutdown_v2.cookiesAndStorage", true);
pref("privacy.clearOnShutdown_v2.cache", true);
pref("privacy.clearOnShutdown_v2.siteSettings", false);
pref("privacy.cpd.history", true);
pref("privacy.cpd.formdata", true);
pref("privacy.cpd.passwords", false);
pref("privacy.cpd.downloads", true);
pref("privacy.cpd.cookies", true);
pref("privacy.cpd.cache", true);
pref("privacy.cpd.sessions", true);
pref("privacy.cpd.offlineApps", false);
pref("privacy.cpd.siteSettings", false);
pref("privacy.cpd.openWindows", false);
// clearHistory and clearSiteData pref branches are used to
// remember user pref options based on the two different entry points
pref("privacy.clearHistory.historyFormDataAndDownloads", true);
pref("privacy.clearHistory.cookiesAndStorage", true);
pref("privacy.clearHistory.cache", true);
pref("privacy.clearHistory.siteSettings", false);
pref("privacy.clearSiteData.historyFormDataAndDownloads", false);
pref("privacy.clearSiteData.cookiesAndStorage", true);
pref("privacy.clearSiteData.cache", true);
pref("privacy.clearSiteData.siteSettings", false);
pref("privacy.history.custom", false);
// What default should we use for the time span in the sanitizer:
// 0 - Clear everything
// 1 - Last Hour
// 2 - Last 2 Hours
// 3 - Last 4 Hours
// 4 - Today
// 5 - Last 5 minutes
// 6 - Last 24 hours
pref("privacy.sanitize.timeSpan", 1);
pref("privacy.sanitize.useOldClearHistoryDialog", false);
pref("privacy.sanitize.clearOnShutdown.hasMigratedToNewPrefs", false);
// flag to track migration of clear history dialog prefs, where cpd stands for
// clear private data
pref("privacy.sanitize.cpd.hasMigratedToNewPrefs", false);
pref("privacy.panicButton.enabled", true);
// Time until temporary permissions expire, in ms
pref("privacy.temporary_permission_expire_time_ms", 3600000);
// Enables protection mechanism against password spoofing for cross domain auth requests
pref("privacy.authPromptSpoofingProtection", true);
// Enable GPC if the user turns it on in about:preferences
pref("privacy.globalprivacycontrol.functionality.enabled", true);
// Enable GPC in private browsing mode
pref("privacy.globalprivacycontrol.pbmode.enabled", true);
pref("network.proxy.share_proxy_settings", false); // use the same proxy settings for all protocols
// simple gestures support
pref("browser.gesture.swipe.left", "Browser:BackOrBackDuplicate");
pref("browser.gesture.swipe.right", "Browser:ForwardOrForwardDuplicate");
pref("browser.gesture.swipe.up", "cmd_scrollTop");
pref("browser.gesture.swipe.down", "cmd_scrollBottom");
pref("browser.gesture.pinch.latched", false);
pref("browser.gesture.pinch.threshold", 25);
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
// Enabled for touch input display zoom.
pref("browser.gesture.pinch.out", "cmd_fullZoomEnlarge");
pref("browser.gesture.pinch.in", "cmd_fullZoomReduce");
pref("browser.gesture.pinch.out.shift", "cmd_fullZoomReset");
pref("browser.gesture.pinch.in.shift", "cmd_fullZoomReset");
#else
// Disabled by default due to issues with track pad input.
pref("browser.gesture.pinch.out", "");
pref("browser.gesture.pinch.in", "");
pref("browser.gesture.pinch.out.shift", "");
pref("browser.gesture.pinch.in.shift", "");
#endif
pref("browser.gesture.twist.latched", false);
pref("browser.gesture.twist.threshold", 0);
pref("browser.gesture.twist.right", "cmd_gestureRotateRight");
pref("browser.gesture.twist.left", "cmd_gestureRotateLeft");
pref("browser.gesture.twist.end", "cmd_gestureRotateEnd");
#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
pref("browser.gesture.tap", "cmd_fullZoomReset");
#else
pref("browser.gesture.tap", "");
#endif
pref("browser.history_swipe_animation.disabled", false);
// 0: Nothing happens
// 1: Scrolling contents
// 2: Go back or go forward, in your history
// 3: Zoom in or out (reflowing zoom).
// 4: Treat vertical wheel as horizontal scroll
// 5: Zoom in or out (pinch zoom).
#ifdef XP_MACOSX
// On macOS, if the wheel has one axis only, shift+wheel comes through as a
// horizontal scroll event. Thus, we can't assign anything other than normal
// scrolling to shift+wheel.
pref("mousewheel.with_shift.action", 1);
pref("mousewheel.with_alt.action", 2);
pref("mousewheel.with_control.action", 1);
#else
// On the other platforms (non-macOS), user may use legacy mouse which
// supports only vertical wheel but want to scroll horizontally. For such
// users, we should provide horizontal scroll with shift+wheel (same as
// Chrome). However, shift+wheel was used for navigating history. For users
// who want to keep using this feature, let's enable it with alt+wheel. This
// is better for consistency with macOS users.
pref("mousewheel.with_shift.action", 4);
pref("mousewheel.with_alt.action", 2);
#endif
pref("mousewheel.with_meta.action", 1);
pref("browser.xul.error_pages.expert_bad_cert", false);
pref("browser.xul.error_pages.show_safe_browsing_details_on_load", false);
// Enable captive portal detection.
pref("network.captive-portal-service.enabled", true);
// If true, network link events will change the value of navigator.onLine
pref("network.manage-offline-status", true);
// We want to make sure mail URLs are handled externally...
pref("network.protocol-handler.external.mailto", true); // for mail
pref("network.protocol-handler.external.news", true); // for news
pref("network.protocol-handler.external.snews", true); // for secure news
pref("network.protocol-handler.external.nntp", true); // also news
#ifdef XP_WIN
pref("network.protocol-handler.external.ms-windows-store", true);
#endif
// ...without warning dialogs
pref("network.protocol-handler.warn-external.mailto", false);
pref("network.protocol-handler.warn-external.news", false);
pref("network.protocol-handler.warn-external.snews", false);
pref("network.protocol-handler.warn-external.nntp", false);
#ifdef XP_WIN
pref("network.protocol-handler.warn-external.ms-windows-store", false);
#endif
// By default, all protocol handlers are exposed. This means that
// the browser will respond to openURL commands for all URL types.
// It will also try to open link clicks inside the browser before
// failing over to the system handlers.
pref("network.protocol-handler.expose-all", true);
pref("network.protocol-handler.expose.mailto", false);
pref("network.protocol-handler.expose.news", false);
pref("network.protocol-handler.expose.snews", false);
pref("network.protocol-handler.expose.nntp", false);
pref("accessibility.typeaheadfind", false);
pref("accessibility.typeaheadfind.timeout", 5000);
pref("accessibility.typeaheadfind.linksonly", false);
pref("accessibility.typeaheadfind.flashBar", 1);
// Toggling Search bar on and off in about:preferences
pref("browser.preferences.search", true);
#if defined(NIGHTLY_BUILD)
pref("browser.preferences.experimental", true);
#else
pref("browser.preferences.experimental", false);
#endif
pref("browser.preferences.moreFromMozilla", true);
pref("browser.preferences.experimental.hidden", false);
pref("browser.preferences.defaultPerformanceSettings.enabled", true);
pref("browser.proton.toolbar.version", 0);
// Backspace and Shift+Backspace behavior
// 0 goes Back/Forward
// 1 act like PgUp/PgDown
// 2 and other values, nothing
pref("browser.backspace_action", 2);
pref("intl.regional_prefs.use_os_locales", false);
// this will automatically enable inline spellchecking (if it is available) for
// editable elements in HTML
// 0 = spellcheck nothing
// 1 = check multi-line controls [default]
// 2 = check multi/single line controls
pref("layout.spellcheckDefault", 1);
pref("browser.send_pings", false);
pref("browser.geolocation.warning.infoURL", "https://www.mozilla.org/%LOCALE%/firefox/geolocation/");
pref("browser.sessionstore.resume_from_crash", true);
pref("browser.sessionstore.resume_session_once", false);
pref("browser.sessionstore.resuming_after_os_restart", false);
// Toggle for the behavior to include closed tabs from all windows in
// recently-closed tab lists & counts, and re-open tabs into the current window
pref("browser.sessionstore.closedTabsFromAllWindows", true);
pref("browser.sessionstore.closedTabsFromClosedWindows", true);
// Minimal interval between two save operations in milliseconds (while the user is idle).
pref("browser.sessionstore.interval.idle", 3600000); // 1h
// Time (seconds) before we assume that the user is idle and that we don't need to
// collect/save the session quite as often.
pref("browser.sessionstore.idleDelay", 180); // 3 minutes
// on which sites to save text data, POSTDATA and cookies
// 0 = everywhere, 1 = unencrypted sites, 2 = nowhere
pref("browser.sessionstore.privacy_level", 0);
// how many tabs can be reopened (per window)
pref("browser.sessionstore.max_tabs_undo", 25);
// how many windows will be saved and can be reopened per session - on non-macOS platforms this
// pref may be ignored when dealing with pop-up windows to ensure the user actually gets
// at least one window with a menu bar.
pref("browser.sessionstore.max_windows_undo", 5);
// number of crashes that can occur before the about:sessionrestore page is displayed
// (this pref has no effect if more than 6 hours have passed since the last crash)
pref("browser.sessionstore.max_resumed_crashes", 1);
// number of back button session history entries to restore (-1 = all of them)
pref("browser.sessionstore.max_serialize_back", 10);
// number of forward button session history entries to restore (-1 = all of them)
pref("browser.sessionstore.max_serialize_forward", -1);
// restore_on_demand overrides MAX_CONCURRENT_TAB_RESTORES (sessionstore constant)
// and restore_hidden_tabs. When true, tabs will not be restored until they are
// focused (also applies to tabs that aren't visible). When false, the values
// for MAX_CONCURRENT_TAB_RESTORES and restore_hidden_tabs are respected.
// Selected tabs are always restored regardless of this pref.
pref("browser.sessionstore.restore_on_demand", true);
// Whether to automatically restore hidden tabs (i.e., tabs in other tab groups) or not
pref("browser.sessionstore.restore_hidden_tabs", false);
// If restore_on_demand is set, pinned tabs are restored on startup by default.
// When set to true, this pref overrides that behavior, and pinned tabs will only
// be restored when they are focused.
pref("browser.sessionstore.restore_pinned_tabs_on_demand", false);
// The version at which we performed the latest upgrade backup
pref("browser.sessionstore.upgradeBackup.latestBuildID", "");
// How many upgrade backups should be kept
pref("browser.sessionstore.upgradeBackup.maxUpgradeBackups", 3);
// End-users should not run sessionstore in debug mode
pref("browser.sessionstore.debug", false);
// Forget closed windows/tabs after two weeks
pref("browser.sessionstore.cleanup.forget_closed_after", 1209600000);
pref("browser.sessionstore.persist_closed_tabs_between_sessions", true);
// Don't quit the browser when Ctrl + Q is pressed.
pref("browser.quitShortcut.disabled", false);
// allow META refresh by default
pref("accessibility.blockautorefresh", false);
// Whether history is enabled or not.
pref("places.history.enabled", true);
// The default Places log level.
pref("places.loglevel", "Error");
// Whether or not diacritics must match in history text searches.
pref("places.search.matchDiacritics", false);
// the (maximum) number of the recent visits to sample
// when calculating frecency
pref("places.frecency.numVisits", 10);
// buckets (in days) for frecency calculation
pref("places.frecency.firstBucketCutoff", 4);
pref("places.frecency.secondBucketCutoff", 14);
pref("places.frecency.thirdBucketCutoff", 31);
pref("places.frecency.fourthBucketCutoff", 90);
// weights for buckets for frecency calculations
pref("places.frecency.firstBucketWeight", 100);
pref("places.frecency.secondBucketWeight", 70);
pref("places.frecency.thirdBucketWeight", 50);
pref("places.frecency.fourthBucketWeight", 30);
pref("places.frecency.defaultBucketWeight", 10);
// bonus (in percent) for visit transition types for frecency calculations
pref("places.frecency.embedVisitBonus", 0);
pref("places.frecency.framedLinkVisitBonus", 0);
pref("places.frecency.linkVisitBonus", 100);
pref("places.frecency.typedVisitBonus", 2000);
// The bookmarks bonus is always added on top of any other bonus, including
// the redirect source and the typed ones.
pref("places.frecency.bookmarkVisitBonus", 75);
// The redirect source bonus overwrites any transition bonus.
// 0 would hide these pages, instead we want them low ranked. Thus we use
// linkVisitBonus - bookmarkVisitBonus, so that a bookmarked source is in par
// with a common link.
pref("places.frecency.redirectSourceVisitBonus", 25);
pref("places.frecency.downloadVisitBonus", 0);
// The perm/temp redirects here relate to redirect targets, not sources.
pref("places.frecency.permRedirectVisitBonus", 50);
pref("places.frecency.tempRedirectVisitBonus", 40);
pref("places.frecency.reloadVisitBonus", 0);
pref("places.frecency.defaultVisitBonus", 0);
// bonus (in percent) for place types for frecency calculations
pref("places.frecency.unvisitedBookmarkBonus", 140);
pref("places.frecency.unvisitedTypedBonus", 200);
// Enables alternative frecency calculation for origins.
pref("places.frecency.origins.alternative.featureGate", false);
// Clear data by base domain (including partitioned storage) when the user
// selects "Forget About This Site".
pref("places.forgetThisSite.clearByBaseDomain", true);
// Whether to warm up network connections for places: menus and places: toolbar.
pref("browser.places.speculativeConnect.enabled", true);
// if true, use full page zoom instead of text zoom
pref("browser.zoom.full", true);
// Whether or not to update background tabs to the current zoom level.
pref("browser.zoom.updateBackgroundTabs", true);
// The breakpad report server to link to in about:crashes
// URL for "Learn More" for DataCollection
pref("toolkit.datacollection.infoURL",
// URL for "Learn More" for Crash Reporter
pref("toolkit.crashreporter.infoURL",
// base URL for web-based support pages
// base url for web-based feedback pages
pref("security.certerrors.recordEventTelemetry", true);
pref("security.certerrors.permanentOverride", true);
pref("security.certerrors.mitm.priming.enabled", true);
pref("security.certerrors.mitm.auto_enable_enterprise_roots", true);
// Whether the bookmark panel should be shown when bookmarking a page.
pref("browser.bookmarks.editDialog.showForNewBookmarks", true);
// Don't try to alter this pref, it'll be reset the next time you use the
// bookmarking dialog
pref("browser.bookmarks.editDialog.firstEditField", "namePicker");
// The number of recently selected folders in the edit bookmarks dialog.
pref("browser.bookmarks.editDialog.maxRecentFolders", 7);
#if defined(XP_WIN) && defined(MOZ_SANDBOX)
// This controls the strength of the Windows content process sandbox for
// testing purposes. This will require a restart.
// On windows these levels are:
// See - security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp
// SetSecurityLevelForContentProcess() for what the different settings mean.
#if defined(NIGHTLY_BUILD)
pref("security.sandbox.content.level", 7);
#else
pref("security.sandbox.content.level", 6);
#endif
// Pref controlling if messages relevant to sandbox violations are logged.
pref("security.sandbox.logging.enabled", false);
#endif
#if defined(XP_MACOSX) && defined(MOZ_SANDBOX)
// Windows counterpart, but on Mac it's an integer which means:
// 0 -> "no sandbox" (nightly only)
// 1 -> "preliminary content sandboxing enabled: write access to
// home directory is prevented"
// 2 -> "preliminary content sandboxing enabled with profile protection:
// write access to home directory is prevented, read and write access
// to ~/Library and profile directories are prevented (excluding
// $PROFILE/{extensions,chrome})"
// 3 -> "no global read/write access, read access permitted to
// $PROFILE/{extensions,chrome}"
// This setting is read when the content process is started. On Mac the
// content process is killed when all windows are closed, so a change will
// take effect when the 1st window is opened.
pref("security.sandbox.content.level", 3);
// Disconnect content processes from the window server. Depends on
// out-of-process WebGL and non-native theming. i.e., both in-process WebGL
// and native theming depend on content processes having a connection to the
// window server. Window server disconnection is automatically disabled (and
// this pref overridden) if OOP WebGL is disabled. OOP WebGL is disabled
// for some tests.
pref("security.sandbox.content.mac.disconnect-windowserver", true);
// Pref controlling if messages relevant to sandbox violations are logged.
pref("security.sandbox.logging.enabled", false);
#endif
#if defined(XP_LINUX) && defined(MOZ_SANDBOX)
// its Windows/Mac counterpart, but on Linux it's an integer which means:
// 0 -> "no sandbox"
// 1 -> no longer used; level will be clamped to 2
// 2 -> "seccomp-bpf + write file broker"
// 3 -> "seccomp-bpf + read/write file brokering"
// 4 -> all of the above + network/socket restrictions + chroot
//
// The purpose of this setting is to allow Linux users or distros to disable
// the sandbox while we fix their problems, or to allow running Firefox with
// exotic configurations we can't reasonably support out of the box.
//
pref("security.sandbox.content.level", 4);
// that uses a sandbox level for the socket process. There are currently
// only 2 levels:
// 0 -> "no sandbox"
// 1 -> "sandboxed, allows socket operations and reading necessary certs"
pref("security.sandbox.socket.process.level", 1);
pref("security.sandbox.content.write_path_whitelist", "");
pref("security.sandbox.content.read_path_whitelist", "");
pref("security.sandbox.content.syscall_whitelist", "");
#endif
#if defined(XP_OPENBSD) && defined(MOZ_SANDBOX)
pref("security.sandbox.content.level", 1);
#endif
#if defined(MOZ_CONTENT_TEMP_DIR)
// ID (a UUID when set by gecko) that is used to form the name of a
// sandbox-writable temporary directory to be used by content processes
// when a temporary writable file is required.
pref("security.sandbox.content.tempDirSuffix", "");
#endif
#ifdef XP_WIN
pref("browser.taskbar.previews.enable", false);
pref("browser.taskbar.previews.max", 20);
pref("browser.taskbar.previews.cachetime", 5);
pref("browser.taskbar.lists.legacyBackend", false);
pref("browser.taskbar.lists.enabled", true);
pref("browser.taskbar.lists.frequent.enabled", true);
pref("browser.taskbar.lists.recent.enabled", false);
pref("browser.taskbar.lists.maxListItemCount", 7);
pref("browser.taskbar.lists.tasks.enabled", true);
pref("browser.taskbar.lists.refreshInSeconds", 120);
#endif
// Preferences to be synced by default.
// Preferences with the prefix `services.sync.prefs.sync-seen.` should have
// a value of `false`, and means the value of the pref will be synced as soon
// as a value for the pref is "seen", even if it is the default, and should be
// used for prefs we sync but which have different values on different channels,
// platforms or distributions.
pref("services.sync.prefs.sync.accessibility.blockautorefresh", true);
pref("services.sync.prefs.sync.accessibility.browsewithcaret", true);
pref("services.sync.prefs.sync.accessibility.typeaheadfind", true);
pref("services.sync.prefs.sync.accessibility.typeaheadfind.linksonly", true);
pref("services.sync.prefs.sync.addons.ignoreUserEnabledChanges", true);
pref("services.sync.prefs.sync.app.shield.optoutstudies.enabled", true);
// The addons prefs related to repository verification are intentionally
// not synced for security reasons. If a system is compromised, a user
// could weaken the pref locally, install an add-on from an untrusted
// source, and this would propagate automatically to other,
// uncompromised Sync-connected devices.
pref("services.sync.prefs.sync.browser.contentblocking.category", true);
pref("services.sync.prefs.sync.browser.contentblocking.features.strict", true);
pref("services.sync.prefs.sync.browser.crashReports.unsubmittedCheck.autoSubmit2", true);
pref("services.sync.prefs.sync.browser.ctrlTab.sortByRecentlyUsed", true);
pref("services.sync.prefs.sync.browser.discovery.enabled", true);
pref("services.sync.prefs.sync.browser.download.useDownloadDir", true);
pref("services.sync.prefs.sync.browser.firefox-view.feature-tour", true);
pref("services.sync.prefs.sync.browser.formfill.enable", true);
pref("services.sync.prefs.sync.browser.link.open_newwindow", true);
pref("services.sync.prefs.sync.browser.menu.showViewImageInfo", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.showSearch", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.showSponsored", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.showSponsoredTopSites", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.topsites", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.topSitesRows", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.section.topstories", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.topstories.rows", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.section.highlights", true);
// Some linux distributions disable all highlights by default.
pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.section.highlights", false);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includeVisited", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includeBookmarks", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includeDownloads", true);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.includePocket", true);
// Some linux distributions disable just pocket by default.
pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.section.highlights.includePocket", false);
pref("services.sync.prefs.sync.browser.newtabpage.activity-stream.section.highlights.rows", true);
pref("services.sync.prefs.sync.browser.newtabpage.enabled", true);
pref("services.sync.prefs.sync.browser.newtabpage.pinned", true);
pref("services.sync.prefs.sync.browser.pdfjs.feature-tour", true);
pref("services.sync.prefs.sync.browser.safebrowsing.downloads.enabled", true);
pref("services.sync.prefs.sync.browser.safebrowsing.downloads.remote.block_potentially_unwanted", true);
pref("services.sync.prefs.sync.browser.safebrowsing.malware.enabled", true);
pref("services.sync.prefs.sync.browser.safebrowsing.phishing.enabled", true);
pref("services.sync.prefs.sync.browser.search.update", true);
pref("services.sync.prefs.sync.browser.startup.homepage", true);
pref("services.sync.prefs.sync.browser.startup.page", true);
pref("services.sync.prefs.sync.browser.startup.upgradeDialog.enabled", true);
pref("services.sync.prefs.sync.browser.tabs.loadInBackground", true);
pref("services.sync.prefs.sync.browser.tabs.warnOnClose", true);
pref("services.sync.prefs.sync.browser.tabs.warnOnOpen", true);
pref("services.sync.prefs.sync.browser.taskbar.previews.enable", true);
pref("services.sync.prefs.sync.browser.urlbar.maxRichResults", true);
pref("services.sync.prefs.sync.browser.urlbar.showSearchSuggestionsFirst", true);
pref("services.sync.prefs.sync.browser.urlbar.suggest.bookmark", true);
pref("services.sync.prefs.sync.browser.urlbar.suggest.history", true);
pref("services.sync.prefs.sync.browser.urlbar.suggest.openpage", true);
pref("services.sync.prefs.sync.browser.urlbar.suggest.searches", true);
pref("services.sync.prefs.sync.browser.urlbar.suggest.topsites", true);
pref("services.sync.prefs.sync.browser.urlbar.suggest.engines", true);
pref("services.sync.prefs.sync.dom.disable_open_during_load", true);
pref("services.sync.prefs.sync.dom.disable_window_flip", true);
pref("services.sync.prefs.sync.dom.disable_window_move_resize", true);
pref("services.sync.prefs.sync.dom.event.contextmenu.enabled", true);
pref("services.sync.prefs.sync.dom.security.https_only_mode", true);
pref("services.sync.prefs.sync.dom.security.https_only_mode_ever_enabled", true);
pref("services.sync.prefs.sync.dom.security.https_only_mode_ever_enabled_pbm", true);
pref("services.sync.prefs.sync.dom.security.https_only_mode_pbm", true);
pref("services.sync.prefs.sync.extensions.update.enabled", true);
pref("services.sync.prefs.sync.extensions.activeThemeID", true);
pref("services.sync.prefs.sync.general.autoScroll", true);
// general.autoScroll has a different default on Linux vs elsewhere.
pref("services.sync.prefs.sync-seen.general.autoScroll", false);
pref("services.sync.prefs.sync.general.smoothScroll", true);
pref("services.sync.prefs.sync.intl.accept_languages", true);
pref("services.sync.prefs.sync.intl.regional_prefs.use_os_locales", true);
pref("services.sync.prefs.sync.layout.spellcheckDefault", true);
pref("services.sync.prefs.sync.media.autoplay.default", true);
pref("services.sync.prefs.sync.media.eme.enabled", true);
// Some linux distributions disable eme by default.
pref("services.sync.prefs.sync-seen.media.eme.enabled", false);
pref("services.sync.prefs.sync.media.videocontrols.picture-in-picture.video-toggle.enabled", true);
pref("services.sync.prefs.sync.network.cookie.cookieBehavior", true);
pref("services.sync.prefs.sync.network.cookie.thirdparty.sessionOnly", true);
pref("services.sync.prefs.sync.permissions.default.image", true);
pref("services.sync.prefs.sync.pref.downloads.disable_button.edit_actions", true);
pref("services.sync.prefs.sync.pref.privacy.disable_button.cookie_exceptions", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.cache", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown_v2.cache", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.cookies", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown_v2.cookiesAndStorage", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.downloads", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown_v2.downloads", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.formdata", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.history", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown_v2.historyFormDataAndDownloads", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.offlineApps", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.sessions", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown.siteSettings", true);
pref("services.sync.prefs.sync.privacy.clearOnShutdown_v2.siteSettings", true);
pref("services.sync.prefs.sync.privacy.donottrackheader.enabled", true);
pref("services.sync.prefs.sync.privacy.globalprivacycontrol.enabled", true);
pref("services.sync.prefs.sync.privacy.sanitize.sanitizeOnShutdown", true);
pref("services.sync.prefs.sync.privacy.trackingprotection.enabled", true);
pref("services.sync.prefs.sync.privacy.trackingprotection.cryptomining.enabled", true);
pref("services.sync.prefs.sync.privacy.trackingprotection.fingerprinting.enabled", true);
pref("services.sync.prefs.sync.privacy.trackingprotection.pbmode.enabled", true);
// We do not sync `privacy.resistFingerprinting` by default as it's an undocumented,
pref("services.sync.prefs.sync.privacy.reduceTimerPrecision", true);
pref("services.sync.prefs.sync.privacy.resistFingerprinting.reduceTimerPrecision.microseconds", true);
pref("services.sync.prefs.sync.privacy.resistFingerprinting.reduceTimerPrecision.jitter", true);
pref("services.sync.prefs.sync.privacy.userContext.enabled", true);
pref("services.sync.prefs.sync.privacy.userContext.newTabContainerOnLeftClick.enabled", true);
pref("services.sync.prefs.sync.security.default_personal_cert", true);
pref("services.sync.prefs.sync.services.sync.syncedTabs.showRemoteIcons", true);
pref("services.sync.prefs.sync.signon.autofillForms", true);
pref("services.sync.prefs.sync.signon.generation.enabled", true);
pref("services.sync.prefs.sync.signon.management.page.breach-alerts.enabled", true);
pref("services.sync.prefs.sync.signon.rememberSignons", true);
pref("services.sync.prefs.sync.spellchecker.dictionary", true);
pref("services.sync.prefs.sync.ui.osk.enabled", true);
// A preference which, if false, means sync will only apply incoming preference
// changes if there's already a local services.sync.prefs.sync.* control pref.
// If true, all incoming preferences will be applied and the local "control
// pref" updated accordingly.
pref("services.sync.prefs.dangerously_allow_arbitrary", false);
// A preference that controls whether we should show the icon for a remote tab.
// This pref has no UI but exists because some people may be concerned that
// fetching these icons to show remote tabs may leak information about that
// user's tabs and bookmarks. Note this pref is also synced.
pref("services.sync.syncedTabs.showRemoteIcons", true);
// A preference (in milliseconds) controlling if we sync after a tab change and
// how long to delay before we schedule the sync
// Anything <= 0 means disabled
pref("services.sync.syncedTabs.syncDelayAfterTabChange", 5000);
// Whether the character encoding menu is under the main Firefox button. This
// preference is a string so that localizers can alter it.
// Whether prompts should be content modal (1) tab modal (2) or window modal(3) by default
// This is a fallback value for when prompt callers do not specify a modalType.
pref("prompts.defaultModalType", 3);
pref("browser.topsites.useRemoteSetting", true);
// Fetch sponsored Top Sites from Mozilla Tiles Service (Contile)
pref("browser.topsites.contile.enabled", true);
// Whether to enable the Share-of-Voice feature for Sponsored Topsites via Contile.
pref("browser.topsites.contile.sov.enabled", true);
// The base URL for the Quick Suggest anonymizing proxy. To make a request to
// the proxy, include a campaign ID in the path.
pref("browser.partnerlink.campaign.topsites", "amzn_2020_a1");
// Activates preloading of the new tab url.
pref("browser.newtab.preload", true);
// Preference to enable wallpaper selection in the Customize Menu of new tab page
pref("browser.newtabpage.activity-stream.newtabWallpapers.enabled", false);
// Current new tab page background image.
pref("browser.newtabpage.activity-stream.newtabWallpapers.wallpaper", "");
pref("browser.newtabpage.activity-stream.newNewtabExperience.colors", "#0090ED,#FF4F5F,#2AC3A2,#FF7139,#A172FF,#FFA437,#FF2A8A");
// Activity Stream prefs that control to which page to redirect
#ifndef RELEASE_OR_BETA
pref("browser.newtabpage.activity-stream.debug", false);
#endif
// The remote FxA root content URL for the Activity Stream firstrun page.
// The pref that controls if the search shortcuts experiment is on
pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts", true);
// ASRouter provider configuration
pref("browser.newtabpage.activity-stream.asrouter.providers.cfr", "{\"id\":\"cfr\",\"enabled\":true,\"type\":\"remote-settings\",\"collection\":\"cfr\",\"updateCycleInMs\":3600000}");
pref("browser.newtabpage.activity-stream.asrouter.providers.message-groups", "{\"id\":\"message-groups\",\"enabled\":true,\"type\":\"remote-settings\",\"collection\":\"message-groups\",\"updateCycleInMs\":3600000}");
pref("browser.newtabpage.activity-stream.asrouter.providers.messaging-experiments", "{\"id\":\"messaging-experiments\",\"enabled\":true,\"type\":\"remote-experiments\",\"updateCycleInMs\":3600000}");
// ASRouter user prefs
pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", true);
pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", true);
pref("messaging-system.askForFeedback", true);
// The pref that controls if ASRouter uses the remote fluent files.
// It's enabled by default, but could be disabled to force ASRouter to use the local files.
pref("browser.newtabpage.activity-stream.asrouter.useRemoteL10n", true);
// These prefs control if Discovery Stream is enabled.
pref("browser.newtabpage.activity-stream.discoverystream.enabled", true);
pref("browser.newtabpage.activity-stream.discoverystream.hardcoded-basic-layout", false);
pref("browser.newtabpage.activity-stream.discoverystream.hybridLayout.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.hideCardBackground.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.fourCardLayout.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.newFooterSection.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.saveToPocketCard.enabled", true);
pref("browser.newtabpage.activity-stream.discoverystream.saveToPocketCardRegions", "");
pref("browser.newtabpage.activity-stream.discoverystream.hideDescriptions.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.hideDescriptionsRegions", "");
pref("browser.newtabpage.activity-stream.discoverystream.compactGrid.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.compactImages.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.imageGradient.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.titleLines", 3);
pref("browser.newtabpage.activity-stream.discoverystream.descLines", 3);
pref("browser.newtabpage.activity-stream.discoverystream.readTime.enabled", true);
pref("browser.newtabpage.activity-stream.discoverystream.newSponsoredLabel.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.essentialReadsHeader.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.recentSaves.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.editorsPicksHeader.enabled", false);
pref("browser.newtabpage.activity-stream.discoverystream.spoc-positions", "1,5,7,11,18,20");
pref("browser.newtabpage.activity-stream.discoverystream.spoc-topsites-positions", "2");
// This is a 0-based index, for consistency with the other position CSVs,
// but Contile positions are a 1-based index, so we end up adding 1 to these before using them.
pref("browser.newtabpage.activity-stream.discoverystream.contile-topsites-positions", "0,1");
pref("browser.newtabpage.activity-stream.discoverystream.widget-positions", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocs-endpoint", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocs-endpoint-query", "");
pref("browser.newtabpage.activity-stream.discoverystream.sponsored-collections.enabled", false);
// Changes the spoc content.
pref("browser.newtabpage.activity-stream.discoverystream.spocAdTypes", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocZoneIds", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocTopsitesAdTypes", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocTopsitesZoneIds", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocTopsitesPlacement.enabled", true);
pref("browser.newtabpage.activity-stream.discoverystream.spocSiteId", "");
pref("browser.newtabpage.activity-stream.discoverystream.ctaButtonSponsors", "");
pref("browser.newtabpage.activity-stream.discoverystream.ctaButtonVariant", "");
pref("browser.newtabpage.activity-stream.discoverystream.spocMessageVariant", "");
pref("browser.newtabpage.activity-stream.discoverystream.sendToPocket.enabled", true);
// List of regions that do not get stories, regardless of locale-list-config.
pref("browser.newtabpage.activity-stream.discoverystream.region-stories-block", "");
// List of locales that get stories, regardless of region-stories-config.
#ifdef NIGHTLY_BUILD
pref("browser.newtabpage.activity-stream.discoverystream.locale-list-config", "en-US,en-CA,en-GB");
#else
pref("browser.newtabpage.activity-stream.discoverystream.locale-list-config", "");
#endif
// List of regions that get stories by default.
pref("browser.newtabpage.activity-stream.discoverystream.region-stories-config", "US,DE,CA,GB,IE,CH,AT,BE,IN,FR,IT,ES");
// List of regions that support the new recommendations BFF, also requires region-stories-config
pref("browser.newtabpage.activity-stream.discoverystream.region-bff-config", "US,DE,CA,GB,IE,CH,AT,BE,IN,FR,IT,ES");
// List of regions that get spocs by default.
pref("browser.newtabpage.activity-stream.discoverystream.region-spocs-config", "US,CA,DE,GB,FR,IT,ES");
// List of regions that don't get the 7 row layout.
pref("browser.newtabpage.activity-stream.discoverystream.region-basic-config", "");
// Allows Pocket story collections to be dismissed.
pref("browser.newtabpage.activity-stream.discoverystream.isCollectionDismissible", true);
pref("browser.newtabpage.activity-stream.discoverystream.personalization.enabled", true);
// Configurable keys used by personalization.
pref("browser.newtabpage.activity-stream.discoverystream.personalization.modelKeys", "nb_model_arts_and_entertainment, nb_model_autos_and_vehicles, nb_model_beauty_and_fitness, nb_model_blogging_resources_and_services, nb_model_books_and_literature, nb_model_business_and_industrial, nb_model_computers_and_electronics, nb_model_finance, nb_model_food_and_drink, nb_model_games, nb_model_health, nb_model_hobbies_and_leisure, nb_model_home_and_garden, nb_model_internet_and_telecom, nb_model_jobs_and_education, nb_model_law_and_government, nb_model_online_communities, nb_model_people_and_society, nb_model_pets_and_animals, nb_model_real_estate, nb_model_reference, nb_model_science, nb_model_shopping, nb_model_sports, nb_model_travel");
// System pref to allow Pocket stories personalization to be turned on/off.
pref("browser.newtabpage.activity-stream.discoverystream.recs.personalized", false);
// System pref to allow Pocket sponsored content personalization to be turned on/off.
pref("browser.newtabpage.activity-stream.discoverystream.spocs.personalized", true);
// Flip this once the user has dismissed the Pocket onboarding experience,
pref("browser.newtabpage.activity-stream.discoverystream.onboardingExperience.dismissed", false);
pref("browser.newtabpage.activity-stream.discoverystream.onboardingExperience.enabled", false);
// User pref to show stories on newtab (feeds.system.topstories has to be set to true as well)
pref("browser.newtabpage.activity-stream.feeds.section.topstories", true);
// The pref controls if search hand-off is enabled for Activity Stream.
pref("browser.newtabpage.activity-stream.improvesearch.handoffToAwesomebar", true);
pref("browser.newtabpage.activity-stream.logowordmark.alwaysVisible", true);
// URLs from the user's history that contain this search param will be hidden
// from the top sites. The value is a string with one of the following forms:
// - "" (empty) - Disable this feature
// - "key" - Search param named "key" with any or no value
// - "key=" - Search param named "key" with no value
// - "key=value" - Search param named "key" with value "value"
pref("browser.newtabpage.activity-stream.hideTopSitesWithSearchParam", "mfadid=adm");
// Separate about welcome
pref("browser.aboutwelcome.enabled", true);
// Used to set multistage welcome UX
pref("browser.aboutwelcome.screens", "");
// Used to enable window modal onboarding
pref("browser.aboutwelcome.showModal", false);
// Experiment Manager
// See Console.sys.mjs LOG_LEVELS for all possible values
pref("messaging-system.log", "warn");
pref("messaging-system.rsexperimentloader.enabled", true);
pref("messaging-system.rsexperimentloader.collection_id", "nimbus-desktop-experiments");
pref("nimbus.debug", false);
pref("nimbus.validation.enabled", true);
// Nimbus QA prefs. Used to monitor pref-setting test experiments.
pref("nimbus.qa.pref-1", "default");
pref("nimbus.qa.pref-2", "default");
// Startup Crash Tracking
// number of startup crashes that can occur before starting into safe mode automatically
// (this pref has no effect if more than 6 hours have passed since the last crash)
pref("toolkit.startup.max_resumed_crashes", 3);
// Whether to use RegisterApplicationRestart to restart the browser and resume
// the session on next Windows startup
#if defined(XP_WIN)
pref("toolkit.winRegisterApplicationRestart", true);
#endif
// The values of preferredAction and alwaysAskBeforeHandling before pdf.js
// became the default.
pref("pdfjs.previousHandler.preferredAction", 0);
pref("pdfjs.previousHandler.alwaysAskBeforeHandling", false);
// Try to convert PDFs sent as octet-stream
pref("pdfjs.handleOctetStream", true);
// Is the sidebar positioned ahead of the content browser
pref("sidebar.position_start", true);
pref("sidebar.revamp", false);
pref("security.protectionspopup.recordEventTelemetry", true);
pref("security.app_menu.recordEventTelemetry", true);
// Block insecure active content on https pages
pref("security.mixed_content.block_active_content", true);
// Show "Not Secure" text for http pages; disabled for now
#ifdef NIGHTLY_BUILD
pref("security.insecure_connection_text.enabled", true);
pref("security.insecure_connection_text.pbmode.enabled", true);
#else
pref("security.insecure_connection_text.enabled", false);
pref("security.insecure_connection_text.pbmode.enabled", false);
#endif
// If this turns true, Moz*Gesture events are not called stopPropagation()
// before content.
pref("dom.debug.propagate_gesture_events_through_content", false);
// CustomizableUI debug logging.
pref("browser.uiCustomization.debug", false);
// CustomizableUI state of the browser's user interface
pref("browser.uiCustomization.state", "");
// If set to false, FxAccounts and Sync will be unavailable.
// A restart is mandatory after flipping that preference.
pref("identity.fxaccounts.enabled", true);
// The remote FxA root content URL. Must use HTTPS.
// The value of the context query parameter passed in fxa requests.
pref("identity.fxaccounts.contextParam", "fx_desktop_v3");
// Whether to use the oauth flow for desktop or not
pref("identity.fxaccounts.oauth.enabled", false);
// The remote URL of the FxA Profile Server
// The remote URL of the FxA OAuth Server
// Whether FxA pairing using QR codes is enabled.
pref("identity.fxaccounts.pairing.enabled", true);
// The remote URI of the FxA pairing server
// Token server used by the FxA Sync identity.
// Auto-config URL for FxA self-hosters, makes an HTTP request to
// [identity.fxaccounts.autoconfig.uri]/.well-known/fxa-client-configuration
// This is now the prefered way of pointing to a custom FxA server, instead
// of making changes to "identity.fxaccounts.*.uri".
pref("identity.fxaccounts.autoconfig.uri", "");
// URL for help link about Send Tab.
pref("identity.sendtabpromo.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/send-tab");
// URLs for promo links to mobile browsers. Note that consumers are expected to
// append a value for utm_campaign.
pref("identity.mobilepromo.android", "https://www.mozilla.org/firefox/android/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=");
pref("identity.mobilepromo.ios", "https://www.mozilla.org/firefox/ios/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=");
// Migrate any existing Firefox Account data from the default profile to the
// Developer Edition profile.
#ifdef MOZ_DEV_EDITION
pref("identity.fxaccounts.migrateToDevEdition", true);
#else
pref("identity.fxaccounts.migrateToDevEdition", false);
#endif
// How often should we try to fetch missed FxA commands on sync (in seconds).
// Default is 24 hours.
pref("identity.fxaccounts.commands.missed.fetch_interval", 86400);
// Note: when media.gmp-*.visible is true, provided we're running on a
// supported platform/OS version, the corresponding CDM appears in the
// plugins list, Firefox will download the GMP/CDM if enabled, and our
// UI to re-enable EME prompts the user to re-enable EME if it's disabled
// and script requests EME. If *.visible is false, we won't show the UI
// to enable the CDM if its disabled; it's as if the keysystem is completely
// unsupported.
#ifdef MOZ_WIDEVINE_EME
pref("media.gmp-widevinecdm.visible", true);
pref("media.gmp-widevinecdm.enabled", true);
#if defined(MOZ_WMF_CDM) && defined(_M_AMD64)
pref("media.gmp-widevinecdm-l1.forceInstall", false);
#ifdef NIGHTLY_BUILD
pref("media.gmp-widevinecdm-l1.visible", true);
pref("media.gmp-widevinecdm-l1.enabled", true);
#else
pref("media.gmp-widevinecdm-l1.visible", false);
pref("media.gmp-widevinecdm-l1.enabled", false);
#endif
#endif
#endif
pref("media.gmp-gmpopenh264.visible", true);
pref("media.gmp-gmpopenh264.enabled", true);
pref("media.videocontrols.picture-in-picture.enabled", true);
pref("media.videocontrols.picture-in-picture.audio-toggle.enabled", true);
pref("media.videocontrols.picture-in-picture.video-toggle.enabled", true);
pref("media.videocontrols.picture-in-picture.video-toggle.visibility-threshold", "1.0");
pref("media.videocontrols.picture-in-picture.keyboard-controls.enabled", true);
pref("media.videocontrols.picture-in-picture.urlbar-button.enabled", true);
// in the Firefox Translations addon. It should be removed when the addon is
// removed.
pref("browser.translation.neverForLanguages", "");
// Enable Firefox translations powered by the Bergamot translations
pref("browser.translations.enable", true);
// Enable the new Firefox Translations Settings UI Design
pref("browser.translations.newSettingsUI.enable", false);
// Enable Firefox Select translations powered by Bergamot translations
pref("browser.translations.select.enable", false);
// Telemetry settings.
// Determines if Telemetry pings can be archived locally.
pref("toolkit.telemetry.archive.enabled", true);
// Enables sending the shutdown ping when Firefox shuts down.
pref("toolkit.telemetry.shutdownPingSender.enabled", true);
// Enables using the `pingsender` background task.
pref("toolkit.telemetry.shutdownPingSender.backgroundtask.enabled", false);
// Enables sending the shutdown ping using the pingsender from the first session.
pref("toolkit.telemetry.shutdownPingSender.enabledFirstSession", false);
// Enables sending a duplicate of the first shutdown ping from the first session.
pref("toolkit.telemetry.firstShutdownPing.enabled", true);
// Enables sending the 'new-profile' ping on new profiles.
pref("toolkit.telemetry.newProfilePing.enabled", true);
// Enables sending 'update' pings on Firefox updates.
pref("toolkit.telemetry.updatePing.enabled", true);
// Enables sending 'bhr' pings when the browser hangs.
pref("toolkit.telemetry.bhrPing.enabled", true);
// Enable GMP support in the addon manager.
pref("media.gmp-provider.enabled", true);
// Enable Dynamic First-Party Isolation by default.
pref("network.cookie.cookieBehavior", 5 /* BEHAVIOR_REJECT_TRACKER_AND_PARTITION_FOREIGN */);
// Enable Dynamic First-Party Isolation in the private browsing mode.
pref("network.cookie.cookieBehavior.pbmode", 5 /* BEHAVIOR_REJECT_TRACKER_AND_PARTITION_FOREIGN */);
// Enable fingerprinting blocking by default for all channels, only on desktop.
pref("privacy.trackingprotection.fingerprinting.enabled", true);
// Enable cryptomining blocking by default for all channels, only on desktop.
pref("privacy.trackingprotection.cryptomining.enabled", true);
pref("browser.contentblocking.database.enabled", true);
// Enable URL query stripping in Nightly.
#ifdef NIGHTLY_BUILD
pref("privacy.query_stripping.enabled", true);
#endif
// Enable Strip on Share by default on desktop
pref("privacy.query_stripping.strip_on_share.enabled", true);
pref("browser.contentblocking.cryptomining.preferences.ui.enabled", true);
pref("browser.contentblocking.fingerprinting.preferences.ui.enabled", true);
// Enable cookieBehavior = BEHAVIOR_REJECT_TRACKER_AND_PARTITION_FOREIGN as an option in the custom category ui
pref("browser.contentblocking.reject-and-isolate-cookies.preferences.ui.enabled", true);
// Possible values for browser.contentblocking.features.strict pref:
// Tracking Protection:
// "tp": tracking protection enabled
// "-tp": tracking protection disabled
// Tracking Protection in private windows:
// "tpPrivate": tracking protection in private windows enabled
// "-tpPrivate": tracking protection in private windows disabled
// Fingerprinting:
// "fp": fingerprinting blocking enabled
// "-fp": fingerprinting blocking disabled
// Cryptomining:
// "cm": cryptomining blocking enabled
// "-cm": cryptomining blocking disabled
// Social Tracking Protection:
// "stp": social tracking protection enabled
// "-stp": social tracking protection disabled
// Email Tracking Protection:
// "emailTP": email tracking protection enabled
// "-emailTP": email tracking protection disabled
// Email Tracking Protection in private windows:
// "emailTPPrivate": email tracking protection in private windows enabled
// "-emailTPPrivate": email tracking protection in private windows disabled
// Level 2 Tracking list in normal windows:
// "lvl2": Level 2 tracking list enabled
// "-lvl2": Level 2 tracking list disabled
// Restrict relaxing default referrer policy:
// "rp": Restrict relaxing default referrer policy enabled
// "-rp": Restrict relaxing default referrer policy disabled
// Restrict relaxing default referrer policy for top navigation:
// "rpTop": Restrict relaxing default referrer policy enabled
// "-rpTop": Restrict relaxing default referrer policy disabled
// OCSP cache partitioning:
// "ocsp": OCSP cache partitioning enabled
// "-ocsp": OCSP cache partitioning disabled
// Query parameter stripping:
// "qps": Query parameter stripping enabled
// "-qps": Query parameter stripping disabled
// Query parameter stripping for private windows:
// "qpsPBM": Query parameter stripping enabled in private windows
// "-qpsPBM": Query parameter stripping disabled in private windows
// Fingerprinting Protection:
// "fpp": Fingerprinting Protection enabled
// "-fpp": Fingerprinting Protection disabled
// Fingerprinting Protection for private windows:
// "fppPrivate": Fingerprinting Protection enabled in private windows
// "-fppPrivate": Fingerprinting Protection disabled in private windows
// Cookie behavior:
// "cookieBehavior0": cookie behaviour BEHAVIOR_ACCEPT
// "cookieBehavior1": cookie behaviour BEHAVIOR_REJECT_FOREIGN
// "cookieBehavior2": cookie behaviour BEHAVIOR_REJECT
// "cookieBehavior3": cookie behaviour BEHAVIOR_LIMIT_FOREIGN
// "cookieBehavior4": cookie behaviour BEHAVIOR_REJECT_TRACKER
// "cookieBehavior5": cookie behaviour BEHAVIOR_REJECT_TRACKER_AND_PARTITION_FOREIGN
// Cookie behavior for private windows:
// "cookieBehaviorPBM0": cookie behaviour BEHAVIOR_ACCEPT
// "cookieBehaviorPBM1": cookie behaviour BEHAVIOR_REJECT_FOREIGN
// "cookieBehaviorPBM2": cookie behaviour BEHAVIOR_REJECT
// "cookieBehaviorPBM3": cookie behaviour BEHAVIOR_LIMIT_FOREIGN
// "cookieBehaviorPBM4": cookie behaviour BEHAVIOR_REJECT_TRACKER
// "cookieBehaviorPBM5": cookie behaviour BEHAVIOR_REJECT_TRACKER_AND_PARTITION_FOREIGN
// One value from each section must be included in the browser.contentblocking.features.strict pref.
pref("browser.contentblocking.features.strict", "tp,tpPrivate,cookieBehavior5,cookieBehaviorPBM5,cm,fp,stp,emailTP,emailTPPrivate,lvl2,rp,rpTop,ocsp,qps,qpsPBM,fpp,fppPrivate");
// Hide the "Change Block List" link for trackers/tracking content in the custom
// Content Blocking/ETP panel. By default, it will not be visible. There is also
// an UI migration in place to set this pref to true if a user has a custom block
// lists enabled.
pref("browser.contentblocking.customBlockList.preferences.ui.enabled", false);
// Enable Protections report's Lockwise card by default.
pref("browser.contentblocking.report.lockwise.enabled", true);
// Disable rotections report's Monitor card by default. The new Monitor API does
pref("browser.contentblocking.report.monitor.enabled", false);
// Disable Protections report's Proxy card by default.
pref("browser.contentblocking.report.proxy.enabled", false);
// Disable the mobile promotion by default.
pref("browser.contentblocking.report.show_mobile_app", true);
// Locales in which Send to Device emails are supported
// The most recent list of supported locales can be found at https://github.com/mozilla/bedrock/blob/6a08c876f65924651554decc57b849c00874b4e7/bedrock/settings/base.py#L963
pref("browser.send_to_device_locales", "de,en-GB,en-US,es-AR,es-CL,es-ES,es-MX,fr,id,pl,pt-BR,ru,zh-TW");
// Avoid advertising in certain regions. Comma separated string of two letter ISO 3166-1 country codes.
pref("browser.vpn_promo.disallowed_regions", "ae,by,cn,cu,iq,ir,kp,om,ru,sd,sy,tm,tr");
// Default to enabling VPN promo messages to be shown when specified and allowed
pref("browser.vpn_promo.enabled", true);
// Only show vpn card to certain regions. Comma separated string of two letter ISO 3166-1 country codes.
// The most recent list of supported countries can be found at https://support.mozilla.org/en-US/kb/mozilla-vpn-countries-available-subscribe
// The full list of supported country codes can also be found at https://github.com/mozilla/bedrock/search?q=VPN_COUNTRY_CODES
pref("browser.contentblocking.report.vpn_regions", "ca,my,nz,sg,gb,gg,im,io,je,uk,vg,as,mp,pr,um,us,vi,de,fr,at,be,ch,es,it,ie,nl,se,fi,bg,cy,cz,dk,ee,hr,hu,lt,lu,lv,mt,pl,pt,ro,si,sk");
// Avoid advertising Focus in certain regions. Comma separated string of two letter
// ISO 3166-1 country codes.
pref("browser.promo.focus.disallowed_regions", "cn");
// Default to enabling focus promos to be shown where allowed.
pref("browser.promo.focus.enabled", true);
// Default to enabling pin promos to be shown where allowed.
pref("browser.promo.pin.enabled", true);
// Default to enabling cookie banner reduction promos to be shown where allowed.
pref("browser.promo.cookiebanners.enabled", false);
pref("browser.contentblocking.report.hide_vpn_banner", false);
pref("browser.contentblocking.report.vpn_sub_id", "sub_HrfCZF7VPHzZkA");
pref("browser.contentblocking.report.monitor.url", "https://monitor.firefox.com/?entrypoint=protection_report_monitor&utm_source=about-protections");
pref("browser.contentblocking.report.monitor.how_it_works.url", "https://monitor.firefox.com/about");
pref("browser.contentblocking.report.monitor.sign_in_url", "https://monitor.firefox.com/oauth/init?entrypoint=protection_report_monitor&utm_source=about-protections&email=");
pref("browser.contentblocking.report.monitor.preferences_url", "https://monitor.firefox.com/user/preferences");
pref("browser.contentblocking.report.monitor.home_page_url", "https://monitor.firefox.com/user/dashboard");
pref("browser.contentblocking.report.manage_devices.url", "https://accounts.firefox.com/settings/clients");
pref("browser.contentblocking.report.endpoint_url", "https://monitor.firefox.com/user/breach-stats?includeResolved=true");
pref("browser.contentblocking.report.proxy_extension.url", "https://fpn.firefox.com/browser?utm_source=firefox-desktop&utm_medium=referral&utm_campaign=about-protections&utm_content=about-protections");
pref("browser.contentblocking.report.mobile-ios.url", "https://apps.apple.com/app/firefox-private-safe-browser/id989804926");
pref("browser.contentblocking.report.mobile-android.url", "https://play.google.com/store/apps/details?id=org.mozilla.firefox&referrer=utm_source%3Dprotection_report%26utm_content%3Dmobile_promotion");
pref("browser.contentblocking.report.vpn.url", "https://vpn.mozilla.org/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=about-protections-card");
pref("browser.contentblocking.report.vpn-promo.url", "https://vpn.mozilla.org/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=about-protections-top-promo");
pref("browser.contentblocking.report.vpn-android.url", "https://play.google.com/store/apps/details?id=org.mozilla.firefox.vpn&referrer=utm_source%3Dfirefox-browser%26utm_medium%3Dfirefox-browser%26utm_campaign%3Dabout-protections-mobile-vpn%26anid%3D--");
pref("browser.contentblocking.report.vpn-ios.url", "https://apps.apple.com/us/app/firefox-private-network-vpn/id1489407738");
// Protection Report's SUMO urls
pref("browser.contentblocking.report.lockwise.how_it_works.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/password-manager-report");
pref("browser.contentblocking.report.social.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/social-media-tracking-report");
pref("browser.contentblocking.report.cookie.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/cross-site-tracking-report");
pref("browser.contentblocking.report.tracker.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/tracking-content-report");
pref("browser.contentblocking.report.fingerprinter.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/fingerprinters-report");
pref("browser.contentblocking.report.cryptominer.url", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/cryptominers-report");
pref("browser.contentblocking.cfr-milestone.enabled", true);
pref("browser.contentblocking.cfr-milestone.milestone-achieved", 0);
// Milestones should always be in increasing order
pref("browser.contentblocking.cfr-milestone.milestones", "[1000, 5000, 10000, 25000, 50000, 100000, 250000, 314159, 500000, 750000, 1000000, 1250000, 1500000, 1750000, 2000000, 2250000, 2500000, 8675309]");
// Controls the initial state of the protections panel collapsible info message.
pref("browser.protections_panel.infoMessage.seen", false);
// Always enable newtab segregation using containers
pref("privacy.usercontext.about_newtab_segregation.enabled", true);
// Enable Contextual Identity Containers
#ifdef NIGHTLY_BUILD
pref("privacy.userContext.enabled", true);
pref("privacy.userContext.ui.enabled", true);
#else
pref("privacy.userContext.enabled", false);
pref("privacy.userContext.ui.enabled", false);
#endif
pref("privacy.userContext.extension", "");
// allows user to open container menu on a left click instead of a new
// tab in the default container
pref("privacy.userContext.newTabContainerOnLeftClick.enabled", false);
// Set to true to allow the user to silence all notifications when
// sharing the screen.
pref("privacy.webrtc.allowSilencingNotifications", true);
pref("privacy.webrtc.hideGlobalIndicator", false);
// Set to true to add toggles to the WebRTC indicator for globally
// muting the camera and microphone.
pref("privacy.webrtc.globalMuteToggles", false);
// Set to true to enable a warning displayed when attempting
// to switch tabs in a window that's being shared over WebRTC.
pref("privacy.webrtc.sharedTabWarning", false);
// Defines a grace period after camera or microphone use ends, where permission
// is granted (even past navigation) to this tab + origin + device. This avoids
// re-prompting without the user having to persist permission to the site, in a
// common case of a web conference asking them for the camera in a lobby page,
// before navigating to the actual meeting room page. Doesn't survive tab close.
pref("privacy.webrtc.deviceGracePeriodTimeoutMs", 3600000);
// This pref can be used to hide the firefox camera icon on macos 14 and above to avoid
// duplicating the macos camera icon. We show the icon by default, users can choose to flip
// the pref to hide the icons
pref("privacy.webrtc.showIndicatorsOnMacos14AndAbove", true);
// Enable Fingerprinting Protection in private windows..
pref("privacy.fingerprintingProtection.pbmode", true);
// Enable including the content in the window title.
// PBM users might want to disable this to avoid a possible source of disk
// leaks.
pref("privacy.exposeContentTitleInWindow", true);
pref("privacy.exposeContentTitleInWindow.pbm", true);
// Run media transport in a separate process?
pref("media.peerconnection.mtransport_process", true);
// For speculatively warming up tabs to improve perceived
// performance while using the async tab switcher.
pref("browser.tabs.remote.warmup.enabled", true);
// Caches tab layers to improve perceived performance
// of tab switches.
pref("browser.tabs.remote.tabCacheSize", 0);
pref("browser.tabs.remote.warmup.maxTabs", 3);
pref("browser.tabs.remote.warmup.unloadDelayMs", 2000);
// For the about:tabcrashed page
pref("browser.tabs.crashReporting.sendReport", true);
pref("browser.tabs.crashReporting.includeURL", false);
// If true, unprivileged extensions may use experimental APIs on
// nightly and developer edition.
pref("extensions.experiments.enabled", false);
#if defined(XP_WIN)
pref("dom.ipc.processPriorityManager.backgroundUsesEcoQoS", true);
#endif
// Don't limit how many nodes we care about on desktop:
pref("reader.parse-node-limit", 0);
// On desktop, we want the URLs to be included here for ease of debugging,
// and because (normally) these errors are not persisted anywhere.
pref("reader.errors.includeURLs", true);
pref("view_source.tab", true);
// These are the thumbnail width/height set in about:newtab.
// If you change this, ENSURE IT IS THE SAME SIZE SET
// by about:newtab. These values are in CSS pixels.
pref("toolkit.pageThumbs.minWidth", 280);
pref("toolkit.pageThumbs.minHeight", 190);
pref("browser.esedbreader.loglevel", "Error");
pref("browser.laterrun.enabled", false);
#ifdef FUZZING_SNAPSHOT
pref("dom.ipc.processPrelaunch.enabled", false);
#else
pref("dom.ipc.processPrelaunch.enabled", true);
#endif
pref("browser.migrate.bookmarks-file.enabled", true);
pref("browser.migrate.brave.enabled", true);
pref("browser.migrate.canary.enabled", true);
pref("browser.migrate.chrome.enabled", true);
pref("browser.migrate.chrome.history.limit", 2000);
pref("browser.migrate.chrome.payment_methods.enabled", true);
pref("browser.migrate.chrome.extensions.enabled", true);
pref("browser.migrate.chrome.get_permissions.enabled", true);
pref("browser.migrate.chrome-beta.enabled", true);
pref("browser.migrate.chrome-dev.enabled", true);
pref("browser.migrate.chromium.enabled", true);
pref("browser.migrate.chromium-360se.enabled", true);
pref("browser.migrate.chromium-edge.enabled", true);
pref("browser.migrate.chromium-edge-beta.enabled", true);
pref("browser.migrate.edge.enabled", true);
pref("browser.migrate.firefox.enabled", true);
pref("browser.migrate.ie.enabled", true);
pref("browser.migrate.opera.enabled", true);
pref("browser.migrate.opera-gx.enabled", true);
pref("browser.migrate.safari.enabled", true);
pref("browser.migrate.vivaldi.enabled", true);
pref("browser.migrate.content-modal.import-all.enabled", true);
// Values can be: "default", "autoclose", "standalone", "embedded".
pref("browser.migrate.content-modal.about-welcome-behavior", "embedded");
// The maximum age of history entries we'll import, in days.
pref("browser.migrate.history.maxAgeInDays", 180);
// These following prefs are set to true if the user has at some
// point in the past migrated one of these resource types from
// another browser. We also attempt to transfer these preferences
// across profile resets.
pref("browser.migrate.interactions.bookmarks", false);
pref("browser.migrate.interactions.csvpasswords", false);
pref("browser.migrate.interactions.history", false);
pref("browser.migrate.interactions.passwords", false);
pref("browser.migrate.preferences-entrypoint.enabled", true);
pref("extensions.pocket.api", "api.getpocket.com");
pref("extensions.pocket.bffApi", "firefox-api-proxy.cdn.mozilla.net");
pref("extensions.pocket.bffRecentSaves", true);
pref("extensions.pocket.enabled", true);
pref("extensions.pocket.oAuthConsumerKey", "40249-e88c401e1b1f2242d9e441c4");
pref("extensions.pocket.oAuthConsumerKeyBff", "94110-6d5ff7a89d72c869766af0e0");
pref("extensions.pocket.site", "getpocket.com");
// Enable Pocket button home panel for non link pages.
pref("extensions.pocket.showHome", true);
// Control what version of the logged out doorhanger is displayed
// Possibilities are: `control`, `control-one-button`, `variant_a`, `variant_b`, `variant_c`
pref("extensions.pocket.loggedOutVariant", "control");
// Just for the new Pocket panels, enables the email signup button.
pref("extensions.pocket.refresh.emailButton.enabled", false);
// Hides the recently saved section in the home panel.
pref("extensions.pocket.refresh.hideRecentSaves.enabled", false);
pref("signon.management.page.fileImport.enabled", true);
#ifdef NIGHTLY_BUILD
pref("signon.management.page.os-auth.enabled", true);
#else
pref("signon.management.page.os-auth.enabled", false);
#endif
// "available" - user can see feature offer.
// "offered" - we have offered feature to user and they have not yet made a decision.
// "enabled" - user opted in to the feature.
// "disabled" - user opted out of the feature.
pref("signon.firefoxRelay.feature", "available");
pref("signon.management.page.breach-alerts.enabled", true);
pref("signon.management.page.vulnerable-passwords.enabled", true);
pref("signon.management.page.sort", "name");
// The utm_creative value is appended within the code (specific to the location on
// where it is clicked). Be sure that if these two prefs are updated, that
// the utm_creative param be last.
pref("signon.management.page.breachAlertUrl",
pref("signon.passwordEditCapture.enabled", true);
pref("signon.relatedRealms.enabled", false);
pref("signon.showAutoCompleteFooter", true);
pref("signon.showAutoCompleteImport", "import");
pref("signon.suggestImportCount", 3);
// Space separated list of URLS that are allowed to send objects (instead of
pref("webchannel.allowObject.urlWhitelist", "https://content.cdn.mozilla.net https://install.mozilla.org");
// Whether or not the browser should scan for unsubmitted
// crash reports, and then show a notification for submitting
// those reports.
#ifdef NIGHTLY_BUILD
pref("browser.crashReports.unsubmittedCheck.enabled", true);
#else
pref("browser.crashReports.unsubmittedCheck.enabled", false);
#endif
// chancesUntilSuppress is how many times we'll show the unsubmitted
// crash report notification across different days and shutdown
// without a user choice before we suppress the notification for
// some number of days.
pref("browser.crashReports.unsubmittedCheck.chancesUntilSuppress", 4);
pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false);
// Preferences for the form autofill toolkit component.
// Checkbox in sync options for credit card data sync service
pref("services.sync.engine.creditcards.available", true);
// Whether the user enabled the OS re-auth dialog.
pref("extensions.formautofill.reauth.enabled", false);
// Whether or not to restore a session with lazy-browser tabs.
pref("browser.sessionstore.restore_tabs_lazily", true);
pref("browser.suppress_first_window_animation", true);
// Preference that allows individual users to disable Screenshots.
pref("extensions.screenshots.disabled", false);
// Preference that determines whether Screenshots uses the dedicated browser component
#ifdef NIGHTLY_BUILD
pref("screenshots.browser.component.enabled", true);
#else
pref("screenshots.browser.component.enabled", false);
#endif
// Preference that determines what button to focus
pref("screenshots.browser.component.last-saved-method", "download");
// DoH Rollout: whether to clear the mode value at shutdown.
pref("doh-rollout.clearModeOnShutdown", false);
// Normandy client preferences
pref("app.normandy.dev_mode", false);
pref("app.normandy.enabled", true);
pref("app.normandy.first_run", true);
pref("app.normandy.logging.level", 50); // Warn
pref("app.normandy.run_interval_seconds", 21600); // 6 hours
pref("app.normandy.shieldLearnMoreUrl", "https://support.mozilla.org/1/firefox/%VERSION%/%OS%/%LOCALE%/shield");
pref("app.normandy.last_seen_buildid", "");
pref("app.normandy.onsync_skew_sec", 600);
#ifdef MOZ_DATA_REPORTING
pref("app.shield.optoutstudies.enabled", true);
#else
pref("app.shield.optoutstudies.enabled", false);
#endif
// Multi-lingual preferences:
// *.enabled - Are langpacks available for the build of Firefox?
// *.downloadEnabled - Langpacks are allowed to be downloaded from AMO. AMO only serves
// langpacks for release and beta. Unsupported releases (like Nightly) can be
// manually tested with the following preference:
// extensions.getAddons.langpacks.url: https://mock-amo-language-tools.glitch.me/?app=firefox&type=language&appversion=%VERSION%
// *.liveReload - Switching a langpack will change the language without a restart.
// *.liveReloadBidirectional - Allows switching when moving between LTR and RTL
// languages without a full restart.
// *.aboutWelcome.languageMismatchEnabled - Enables an onboarding menu in about:welcome
// to allow a user to change their language when there is a language mismatch between
// the app and browser.
#if defined(RELEASE_OR_BETA) && !defined(MOZ_DEV_EDITION)
pref("intl.multilingual.enabled", true);
pref("intl.multilingual.downloadEnabled", true);
pref("intl.multilingual.liveReload", true);
pref("intl.multilingual.liveReloadBidirectional", false);
pref("intl.multilingual.aboutWelcome.languageMismatchEnabled", true);
#else
pref("intl.multilingual.enabled", false);
pref("intl.multilingual.downloadEnabled", false);
pref("intl.multilingual.liveReload", false);
pref("intl.multilingual.liveReloadBidirectional", false);
pref("intl.multilingual.aboutWelcome.languageMismatchEnabled", false);
#endif
// Coverage ping is disabled by default.
pref("toolkit.coverage.enabled", false);
// Discovery prefs
pref("browser.discovery.enabled", true);
pref("browser.discovery.containers.enabled", true);
pref("browser.discovery.sites", "addons.mozilla.org");
pref("browser.engagement.recent_visited_origins.expiry", 86400); // 24 * 60 * 60 (24 hours in seconds)
pref("browser.engagement.downloads-button.has-used", false);
pref("browser.engagement.fxa-toolbar-menu-button.has-used", false);
pref("browser.engagement.home-button.has-used", false);
pref("browser.engagement.sidebar-button.has-used", false);
pref("browser.engagement.library-button.has-used", false);
pref("browser.engagement.ctrlTab.has-used", false);
pref("browser.aboutConfig.showWarning", true);
pref("browser.toolbars.keyboard_navigation", true);
// The visibility of the bookmarks toolbar.
// "newtab": Show on the New Tab Page
// "always": Always show
// "never": Never show
pref("browser.toolbars.bookmarks.visibility", "newtab");
// Visibility of the "Show Other Bookmarks" menuitem in the
// bookmarks toolbar contextmenu.
pref("browser.toolbars.bookmarks.showOtherBookmarks", true);
// Felt Privacy pref to control simplified private browsing UI
pref("browser.privatebrowsing.felt-privacy-v1", false);
// Prefs to control the Firefox Account toolbar menu.
// This pref will surface existing Firefox Account information
// as a button next to the hamburger menu. It allows
// quick access to sign-in and manage your Firefox Account.
pref("identity.fxaccounts.toolbar.enabled", true);
pref("identity.fxaccounts.toolbar.accessed", false);
pref("identity.fxaccounts.toolbar.defaultVisible", true);
// Prefs to control Firefox Account panels that shows call to actions
// for other supported Mozilla products
pref("identity.fxaccounts.toolbar.pxiToolbarEnabled", false);
pref("identity.fxaccounts.toolbar.pxiToolbarEnabled.monitorEnabled", true);
pref("identity.fxaccounts.toolbar.pxiToolbarEnabled.relayEnabled", true);
pref("identity.fxaccounts.toolbar.pxiToolbarEnabled.vpnEnabled", true);
// Toolbox preferences
pref("devtools.toolbox.footer.height", 250);
pref("devtools.toolbox.sidebar.width", 500);
pref("devtools.toolbox.host", "bottom");
pref("devtools.toolbox.previousHost", "right");
pref("devtools.toolbox.selectedTool", "inspector");
pref("devtools.toolbox.zoomValue", "1");
pref("devtools.toolbox.splitconsole.enabled", true);
pref("devtools.toolbox.splitconsole.open", false);
pref("devtools.toolbox.splitconsoleHeight", 100);
pref("devtools.toolbox.tabsOrder", "");
// This is only used for local Web Extension debugging,
// and allows to keep the window on top of all others,
// so that you can debug the Firefox window, while keeping the devtools
// always visible
pref("devtools.toolbox.alwaysOnTop", true);
// When the Multiprocess Browser Toolbox is enabled, you can configure the scope of it:
// - "everything" will enable debugging absolutely everything in the browser
// All processes, all documents, all workers, all add-ons.
// - "parent-process" will restrict debugging to the parent process
// All privileged javascript, documents and workers running in the parent process.
pref("devtools.browsertoolbox.scope", "parent-process");
// This preference will enable watching top-level targets from the server side.
pref("devtools.target-switching.server.enabled", true);
// In DevTools, create a target for each frame (i.e. not only for top-level document and
// remote frames).
pref("devtools.every-frame-target.enabled", true);
// Controls the hability to debug popups from the same DevTools
// of the original tab the popups are coming from
pref("devtools.popups.debug", false);
// Toolbox Button preferences
pref("devtools.command-button-pick.enabled", true);
pref("devtools.command-button-frames.enabled", true);
pref("devtools.command-button-responsive.enabled", true);
pref("devtools.command-button-screenshot.enabled", false);
pref("devtools.command-button-rulers.enabled", false);
pref("devtools.command-button-measure.enabled", false);
pref("devtools.command-button-noautohide.enabled", false);
pref("devtools.command-button-errorcount.enabled", true);
#ifndef MOZILLA_OFFICIAL
pref("devtools.command-button-experimental-prefs.enabled", true);
#endif
// Inspector preferences
// Enable the Inspector
pref("devtools.inspector.enabled", true);
// What was the last active sidebar in the inspector
pref("devtools.inspector.selectedSidebar", "layoutview");
pref("devtools.inspector.activeSidebar", "layoutview");
pref("devtools.inspector.remote", false);
// Enable the 3 pane mode in the inspector
pref("devtools.inspector.three-pane-enabled", true);
// Enable the 3 pane mode in the chrome inspector
pref("devtools.inspector.chrome.three-pane-enabled", false);
// Collapse pseudo-elements by default in the rule-view
pref("devtools.inspector.show_pseudo_elements", false);
// The default size for image preview tooltips in the rule-view/computed-view/markup-view
pref("devtools.inspector.imagePreviewTooltipSize", 300);
// Enable user agent style inspection in rule-view
pref("devtools.inspector.showUserAgentStyles", false);
// Show native anonymous content and user agent shadow roots
pref("devtools.inspector.showAllAnonymousContent", false);
// Enable overflow debugging in the inspector.
pref("devtools.overflow.debugging.enabled", true);
// Enable drag to edit properties in the inspector rule view.
pref("devtools.inspector.draggable_properties", true);
// Grid highlighter preferences
pref("devtools.gridinspector.gridOutlineMaxColumns", 50);
pref("devtools.gridinspector.gridOutlineMaxRows", 50);
pref("devtools.gridinspector.showGridAreas", false);
pref("devtools.gridinspector.showGridLineNumbers", false);
pref("devtools.gridinspector.showInfiniteLines", false);
// Max number of grid highlighters that can be displayed
pref("devtools.gridinspector.maxHighlighters", 3);
// Whether or not simplified highlighters should be used when
// prefers-reduced-motion is enabled.
pref("devtools.inspector.simple-highlighters-reduced-motion", false);
// Wheter or not Enter on inplace editor in the Rules view moves focus and activates
// next inplace editor.
pref("devtools.inspector.rule-view.focusNextOnEnter", true);
// Whether or not the box model panel is opened in the layout view
pref("devtools.layout.boxmodel.opened", true);
// Whether or not the flexbox panel is opened in the layout view
pref("devtools.layout.flexbox.opened", true);
// Whether or not the flexbox container panel is opened in the layout view
pref("devtools.layout.flex-container.opened", true);
// Whether or not the flexbox item panel is opened in the layout view
pref("devtools.layout.flex-item.opened", true);
// Whether or not the grid inspector panel is opened in the layout view
pref("devtools.layout.grid.opened", true);
// Enable hovering Box Model values and jumping to their source CSS rule in the
// rule-view.
#if defined(NIGHTLY_BUILD)
pref("devtools.layout.boxmodel.highlightProperty", true);
#else
pref("devtools.layout.boxmodel.highlightProperty", false);
#endif
// By how many times eyedropper will magnify pixels
pref("devtools.eyedropper.zoom", 6);
// Enable to collapse attributes that are too long.
pref("devtools.markup.collapseAttributes", true);
// Length to collapse attributes
pref("devtools.markup.collapseAttributeLength", 120);
// Whether to auto-beautify the HTML on copy.
pref("devtools.markup.beautifyOnCopy", false);
// DevTools default color unit
pref("devtools.defaultColorUnit", "authored");
// Enable the Memory tools
pref("devtools.memory.enabled", true);
pref("devtools.memory.custom-census-displays", "{}");
pref("devtools.memory.custom-label-displays", "{}");
pref("devtools.memory.custom-tree-map-displays", "{}");
pref("devtools.memory.max-individuals", 1000);
pref("devtools.memory.max-retaining-paths", 10);
// Enable the Performance tools
pref("devtools.performance.enabled", true);
// The default cache UI setting
pref("devtools.cache.disabled", false);
// The default service workers UI setting
pref("devtools.serviceWorkers.testing.enabled", false);
// Enable the Network Monitor
pref("devtools.netmonitor.enabled", true);
pref("devtools.netmonitor.features.search", true);
pref("devtools.netmonitor.features.requestBlocking", true);
// Enable the Application panel
pref("devtools.application.enabled", true);
// Enable the custom formatters feature
// This preference represents the user's choice to enable the custom formatters feature.
// While the preference above will be removed once the feature is stable, this one is menat to stay.
pref("devtools.custom-formatters.enabled", false);
// The default Network Monitor UI settings
pref("devtools.netmonitor.panes-network-details-width", 550);
pref("devtools.netmonitor.panes-network-details-height", 450);
pref("devtools.netmonitor.panes-search-width", 550);
pref("devtools.netmonitor.panes-search-height", 450);
pref("devtools.netmonitor.filters", "[\"all\"]");
pref("devtools.netmonitor.visibleColumns",
"[\"status\",\"method\",\"domain\",\"file\",\"initiator\",\"type\",\"transferred\",\"contentSize\",\"waterfall\"]"
);
pref("devtools.netmonitor.columnsData",
'[{"name":"status","minWidth":30,"width":5}, {"name":"method","minWidth":30,"width":5}, {"name":"domain","minWidth":30,"width":10}, {"name":"file","minWidth":30,"width":25}, {"name":"url","minWidth":30,"width":25},{"name":"initiator","minWidth":30,"width":10},{"name":"type","minWidth":30,"width":5},{"name":"transferred","minWidth":30,"width":10},{"name":"contentSize","minWidth":30,"width":5},{"name":"waterfall","minWidth":150,"width":15}]');
pref("devtools.netmonitor.msg.payload-preview-height", 128);
pref("devtools.netmonitor.msg.visibleColumns",
'["data", "time"]'
);
pref("devtools.netmonitor.msg.displayed-messages.limit", 500);
pref("devtools.netmonitor.response.ui.limit", 10240);
// Save request/response bodies yes/no.
pref("devtools.netmonitor.saveRequestAndResponseBodies", true);
// The default Network monitor HAR export setting
pref("devtools.netmonitor.har.defaultLogDir", "");
pref("devtools.netmonitor.har.defaultFileName", "%hostname_Archive [%date]");
pref("devtools.netmonitor.har.jsonp", false);
pref("devtools.netmonitor.har.jsonpCallback", "");
pref("devtools.netmonitor.har.includeResponseBodies", true);
pref("devtools.netmonitor.har.compress", false);
pref("devtools.netmonitor.har.forceExport", false);
pref("devtools.netmonitor.har.pageLoadedTimeout", 1500);
pref("devtools.netmonitor.har.enableAutoExportToFile", false);
pref("devtools.netmonitor.har.multiple-pages", false);
// netmonitor audit
pref("devtools.netmonitor.audits.slow", 500);
// Enable the new Edit and Resend panel
pref("devtools.netmonitor.features.newEditAndResend", true);
pref("devtools.netmonitor.customRequest", '{}');
// Enable the Storage Inspector
pref("devtools.storage.enabled", true);
// Enable the Style Editor.
pref("devtools.styleeditor.enabled", true);
pref("devtools.styleeditor.autocompletion-enabled", true);
pref("devtools.styleeditor.showAtRulesSidebar", true);
pref("devtools.styleeditor.atRulesSidebarWidth", 238);
pref("devtools.styleeditor.navSidebarWidth", 245);
pref("devtools.styleeditor.transitions", true);
// Screenshot Option Settings.
pref("devtools.screenshot.clipboard.enabled", false);
pref("devtools.screenshot.audio.enabled", true);
// Make sure the DOM panel is hidden by default
pref("devtools.dom.enabled", false);
// Enable the Accessibility panel.
pref("devtools.accessibility.enabled", true);
// Web console filters
pref("devtools.webconsole.filter.error", true);
pref("devtools.webconsole.filter.warn", true);
pref("devtools.webconsole.filter.info", true);
pref("devtools.webconsole.filter.log", true);
pref("devtools.webconsole.filter.debug", true);
pref("devtools.webconsole.filter.css", false);
pref("devtools.webconsole.filter.net", false);
pref("devtools.webconsole.filter.netxhr", false);
// Webconsole autocomplete preference
pref("devtools.webconsole.input.autocomplete",true);
// Show context selector in console input
pref("devtools.webconsole.input.context", true);
// Set to true to eagerly show the results of webconsole terminal evaluations
// when they don't have side effects.
pref("devtools.webconsole.input.eagerEvaluation", true);
// Browser console filters
pref("devtools.browserconsole.filter.error", true);
pref("devtools.browserconsole.filter.warn", true);
pref("devtools.browserconsole.filter.info", true);
pref("devtools.browserconsole.filter.log", true);
pref("devtools.browserconsole.filter.debug", true);
pref("devtools.browserconsole.filter.css", false);
pref("devtools.browserconsole.filter.net", false);
pref("devtools.browserconsole.filter.netxhr", false);
// Max number of inputs to store in web console history.
pref("devtools.webconsole.inputHistoryCount", 300);
// Persistent logging: |true| if you want the relevant tool to keep all of the
// logged messages after reloading the page, |false| if you want the output to
// be cleared each time page navigation happens.
pref("devtools.webconsole.persistlog", false);
pref("devtools.netmonitor.persistlog", false);
// Web Console timestamp: |true| if you want the logs and instructions
// in the Web Console to display a timestamp, or |false| to not display
// any timestamps.
pref("devtools.webconsole.timestampMessages", false);
// Enable the webconsole sidebar toggle in Nightly builds.
#if defined(NIGHTLY_BUILD)
pref("devtools.webconsole.sidebarToggle", true);
#else
pref("devtools.webconsole.sidebarToggle", false);
#endif
// Saved editor mode state in the console.
pref("devtools.webconsole.input.editor", false);
pref("devtools.browserconsole.input.editor", false);
// Editor width for webconsole and browserconsole.
pref("devtools.webconsole.input.editorWidth", 0);
pref("devtools.browserconsole.input.editorWidth", 0);
// Display an onboarding UI for the Editor mode.
pref("devtools.webconsole.input.editorOnboarding", true);
// Enable message grouping in the console, true by default
pref("devtools.webconsole.groupWarningMessages", true);
// Enable network monitoring the browser toolbox console/browser console.
pref("devtools.browserconsole.enableNetworkMonitoring", false);
// Enable client-side mapping service for source maps
pref("devtools.source-map.client-service.enabled", true);
// The number of lines that are displayed in the web console.
pref("devtools.hud.loglimit", 10000);
// The developer tools editor configuration:
// - tabsize: how many spaces to use when a Tab character is displayed.
// - expandtab: expand Tab characters to spaces.
// - keymap: which keymap to use (can be 'default', 'emacs' or 'vim')
// - autoclosebrackets: whether to permit automatic bracket/quote closing.
// - detectindentation: whether to detect the indentation from the file
// - enableCodeFolding: Whether to enable code folding or not.
pref("devtools.editor.tabsize", 2);
pref("devtools.editor.expandtab", true);
pref("devtools.editor.keymap", "default");
pref("devtools.editor.autoclosebrackets", true);
pref("devtools.editor.detectindentation", true);
pref("devtools.editor.enableCodeFolding", true);
pref("devtools.editor.autocomplete", true);
// The angle of the viewport.
pref("devtools.responsive.viewport.angle", 0);
// The width of the viewport.
pref("devtools.responsive.viewport.width", 320);
// The height of the viewport.
pref("devtools.responsive.viewport.height", 480);
// The pixel ratio of the viewport.
pref("devtools.responsive.viewport.pixelRatio", 0);
// Whether or not the viewports are left aligned.
pref("devtools.responsive.leftAlignViewport.enabled", false);
// Whether to reload when touch simulation is toggled
pref("devtools.responsive.reloadConditions.touchSimulation", false);
// Whether to reload when user agent is changed
pref("devtools.responsive.reloadConditions.userAgent", false);
// Whether to show the notification about reloading to apply emulation
pref("devtools.responsive.reloadNotification.enabled", true);
// Whether or not touch simulation is enabled.
pref("devtools.responsive.touchSimulation.enabled", false);
// The user agent of the viewport.
pref("devtools.responsive.userAgent", "");
// Show the custom user agent input by default
pref("devtools.responsive.showUserAgentInput", true);
// Show tab debug targets for This Firefox (on by default for local builds).
#ifdef MOZILLA_OFFICIAL
pref("devtools.aboutdebugging.local-tab-debugging", false);
#else
pref("devtools.aboutdebugging.local-tab-debugging", true);
#endif
// Show process debug targets.
pref("devtools.aboutdebugging.process-debugging", true);
// Stringified array of network locations that users can connect to.
pref("devtools.aboutdebugging.network-locations", "[]");
// Debug target pane collapse/expand settings.
pref("devtools.aboutdebugging.collapsibilities.installedExtension", false);
pref("devtools.aboutdebugging.collapsibilities.otherWorker", false);
pref("devtools.aboutdebugging.collapsibilities.serviceWorker", false);
pref("devtools.aboutdebugging.collapsibilities.sharedWorker", false);
pref("devtools.aboutdebugging.collapsibilities.tab", false);
pref("devtools.aboutdebugging.collapsibilities.temporaryExtension", false);
// about:debugging: only show system and hidden extensions in local builds by
// default.
#ifdef MOZILLA_OFFICIAL
pref("devtools.aboutdebugging.showHiddenAddons", false);
#else
pref("devtools.aboutdebugging.showHiddenAddons", true);
#endif
// Map top-level await expressions in the console
pref("devtools.debugger.features.map-await-expression", true);
// This relies on javascript.options.asyncstack as well or it has no effect.
pref("devtools.debugger.features.async-captured-stacks", true);
pref("devtools.debugger.features.async-live-stacks", false);
pref("devtools.debugger.hide-ignored-sources", false);
// Disable autohide for DevTools popups and tooltips.
// This is currently not exposed by any UI to avoid making
// about:devtools-toolbox tabs unusable by mistake.
pref("devtools.popup.disable_autohide", false);
// FirstStartup service time-out in ms
pref("first-startup.timeout", 30000);
// Enable the default browser agent.
// The agent still runs as scheduled if this pref is disabled,
// but it exits immediately before taking any action.
#ifdef XP_WIN
pref("default-browser-agent.enabled", true);
#endif
// Test Prefs that do nothing for testing
#if defined(EARLY_BETA_OR_EARLIER)
pref("app.normandy.test-prefs.bool", false);
pref("app.normandy.test-prefs.integer", 0);
pref("app.normandy.test-prefs.string", "");
#endif
// Shows 'View Image Info' item in the image context menu
#ifdef MOZ_DEV_EDITION
pref("browser.menu.showViewImageInfo", true);
#else
pref("browser.menu.showViewImageInfo", false);
#endif
// Handing URLs to external apps via the "Share URL" menu item could allow a proxy bypass
#ifdef MOZ_PROXY_BYPASS_PROTECTION
pref("browser.menu.share_url.allow", false);
#endif
// Mozilla-controlled domains that are allowed to use non-standard
// context properties for SVG images for use in the browser UI. Please
// keep this list short. This preference (and SVG `context-` keyword support)
// are expected to go away once a standardized alternative becomes
// available.
pref("svg.context-properties.content.allowed-domains", "profile.accounts.firefox.com,profile.stage.mozaws.net");
// Preference that allows individual users to disable Firefox Translations.
#ifdef NIGHTLY_BUILD
pref("extensions.translations.disabled", true);
#endif
#if defined(XP_MACOSX) || defined(XP_WIN)
pref("browser.firefoxbridge.enabled", false);
pref("browser.firefoxbridge.extensionOrigins",
);
#endif
// Turn on interaction measurements
pref("browser.places.interactions.enabled", true);
// If the user has seen the Firefox View feature tour this value reflects
// the id of the last screen they saw and whether they completed the tour
pref("browser.firefox-view.feature-tour", "{\"screen\":\"FIREFOX_VIEW_SPOTLIGHT\",\"complete\":false}");
// Number of times the user visited about:firefoxview
pref("browser.firefox-view.view-count", 0);
// Maximum number of rows to show on the "History" page.
pref("browser.firefox-view.max-history-rows", 300);
// Enables search functionality in Firefox View.
pref("browser.firefox-view.search.enabled", true);
// Enables virtual list functionality in Firefox View.
pref("browser.firefox-view.virtual-list.enabled", true);
// If the user has seen the pdf.js feature tour this value reflects the tour
// message id, the id of the last screen they saw, and whether they completed the tour
pref("browser.pdfjs.feature-tour", "{\"screen\":\"\",\"complete\":false}");
// Enables cookie banner handling in Nightly in Private Browsing Mode. See
// StaticPrefList.yaml for a description of the prefs.
#ifdef NIGHTLY_BUILD
pref("cookiebanners.service.mode.privateBrowsing", 1);
#endif
#if defined(EARLY_BETA_OR_EARLIER)
// Enables the cookie banner desktop UI.
pref("cookiebanners.ui.desktop.enabled", true);
#else
pref("cookiebanners.ui.desktop.enabled", false);
#endif
// When true, shows a one-time feature callout for cookie banner blocking.
pref("cookiebanners.ui.desktop.showCallout", false);
// Controls which variant of the cookie banner CFR the user is presented with.
pref("cookiebanners.ui.desktop.cfrVariant", 0);
// Parameters for the swipe-to-navigation icon.
//
// `navigation-icon-{start|end}-position` is the start or the end position of
// the icon movement in response to the user's swipe gesture. `0` means the icon
// positions at the left edge of the browser window. For example on Mac, when
// the user started swipe gesture left to right, the icon appears at a point
// where left side 20px of the icon is outside of the browser window's view.
//
// `navigation-icon-{min|max}-radius` is the minimum or the maximum radius of
// the icon's outer circle size in response to the user's swipe gesture. `-1`
// means that the circle radius never changes.
#ifdef XP_MACOSX
pref("browser.swipe.navigation-icon-start-position", -20);
pref("browser.swipe.navigation-icon-end-position", 0);
pref("browser.swipe.navigation-icon-min-radius", -1);
pref("browser.swipe.navigation-icon-max-radius", -1);
#else
pref("browser.swipe.navigation-icon-start-position", -40);
pref("browser.swipe.navigation-icon-end-position", 60);
pref("browser.swipe.navigation-icon-min-radius", 12);
pref("browser.swipe.navigation-icon-max-radius", 20);
#endif
// Trigger FOG's Artifact Build support on artifact builds.
#ifdef MOZ_ARTIFACT_BUILDS
pref("telemetry.fog.artifact_build", true);
#endif
#ifdef NIGHTLY_BUILD
pref("dom.security.credentialmanagement.identity.enabled", true);
#endif
pref("ui.new-webcompat-reporter.enabled", true);
#if defined(EARLY_BETA_OR_EARLIER)
pref("ui.new-webcompat-reporter.send-more-info-link", true);
#else
pref("ui.new-webcompat-reporter.send-more-info-link", false);
#endif
# 0 = disabled, 1 = reason optional, 2 = reason required.
pref("ui.new-webcompat-reporter.reason-dropdown", 2);
pref("ui.new-webcompat-reporter.reason-dropdown.randomized", true);
// Reset Private Browsing Session feature
#if defined(NIGHTLY_BUILD)
pref("browser.privatebrowsing.resetPBM.enabled", true);
#else
pref("browser.privatebrowsing.resetPBM.enabled", false);
#endif
// Whether the reset private browsing panel should ask for confirmation before
// performing the clear action.
pref("browser.privatebrowsing.resetPBM.showConfirmationDialog", true);
// the preferences related to the Nimbus experiment, to activate and deactivate
pref("browser.mailto.dualPrompt", false);
// When visiting a site which uses registerProtocolHandler: Ask the user to set Firefox as
// default mailto handler.
pref("browser.mailto.prompt.os", true);
// Pref to initialize the BackupService soon after startup.
pref("browser.backup.enabled", true);
// The number of SQLite database pages to backup per step.
pref("browser.backup.sqlite.pages_per_step", 5);
// The delay between SQLite database backup steps in milliseconds.
pref("browser.backup.sqlite.step_delay_ms", 250);
// Pref to enable the new profiles
pref("browser.profiles.enabled", false);
pref("startup.homepage_override_url_nimbus", "");
pref("startup.homepage_override_nimbus_maxVersion", "");
// Pref to enable the content relevancy feature.
pref("toolkit.contentRelevancy.enabled", false);