My custum user.js for Mozilla Firefox as 2024. Ocasionally updated.

user.js

// ACCESIBILITY

user_pref("accessibility.force_disabled", 1);
user_pref("accessibility.typeaheadfind.flashBar", 1);

// ALERTS

user_pref("alerts.showFavicons", true);

// APP

//user_pref("app.normandy.api_url", "");
user_pref("app.normandy.enabled", true);
user_pref("app.normandy.first_run", true);
user_pref("app.shield.optoutstudies.enabled", true);
user_pref("app.update.auto.migrated", true);
user_pref("app.update.background.rolledout", true);
user_pref("app.update.download.attempts", 0);
user_pref("app.update.elevate.attempts", 0);
user_pref("app.update.service.enabled", false);
user_pref("app.update.suppressPrompts", true);

// APZ

user_pref("apz.overscroll.enabled", true);

// BROWSER

user_pref("browser.aboutwelcome.showModal", true);
user_pref("browser.bookmarks.addedImportButton", true);
user_pref("browser.bookmarks.editDialog.confirmationHintShowCount", 3);
user_pref("browser.bookmarks.openInTabClosesMenu", false);
user_pref("browser.bookmarks.restore_default_bookmarks", false);
user_pref("browser.bookmarks.showMobileBookmarks", false);
user_pref("browser.cache.check_doc_frequency", 1);
user_pref("browser.cache.disk.enable", false);
user_pref("browser.compactmode.show", true);
user_pref("browser.contentblocking.category", "strict");
user_pref("browser.contentblocking.customBlockList.preferences.ui.enabled", true);
user_pref("browser.contentblocking.report.hide_vpn_banner", true);
user_pref("browser.ctrlTab.sortByRecentlyUsed", true);
user_pref("browser.discovery.enabled", true);
user_pref("browser.display.focus_ring_style", 0);
user_pref("browser.display.focus_ring_width", 0);
user_pref("browser.download.always_ask_before_handling_new_types", true);
user_pref("browser.download.alwaysOpenPanel", false);
user_pref("browser.download.manager.addToRecentDocs", false);
user_pref("browser.download.open_pdf_attachments_inline", true);
user_pref("browser.download.panel.shown", true);
user_pref("browser.download.save_converter_index", 0);
user_pref("browser.download.start_downloads_in_tmp_dir", true);
user_pref("browser.download.useDownloadDir", false);
user_pref("browser.download.viewableInternally.typeWasRegistered.avif", true);
user_pref("browser.download.viewableInternally.typeWasRegistered.webp", true);
user_pref("browser.eme.ui.enabled", true);
user_pref("browser.eme.ui.firstContentShown", true);
user_pref("browser.engagement.ctrlTab.has-used", true);
user_pref("browser.engagement.downloads-button.has-used", true);
user_pref("browser.engagement.fxa-toolbar-menu-button.has-used", true);
user_pref("browser.engagement.home-button.has-used", true);
user_pref("browser.engagement.library-button.has-used", true);
user_pref("browser.engagement.sidebar-button.has-used", true);
user_pref("browser.firefox-view.feature-tour", '{"message":"FIREFOX_VIEW_FEATURE_TOUR","screen":"","complete":false}');
user_pref("browser.firefox-view.search.enabled", true);
user_pref("browser.firefox-view.view-count", 10);
user_pref("browser.firefox-view.virtual-list.enabled", true);
user_pref("browser.formfill.enable", false);
user_pref("browser.laterrun.enabled", true);
user_pref("browser.launcherProcess.enabled", true);
user_pref("browser.link.open_newwindow.override.external", 3);
user_pref("browser.link.open_newwindow.restriction", 0);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
user_pref("browser.newtabpage.activity-stream.discoverystream.fourCardLayout.enabled", true);
user_pref("browser.newtabpage.activity-stream.discoverystream.hideCardBackground.enabled", true);
user_pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
user_pref("browser.newtabpage.activity-stream.feeds.snippets", true);
user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
user_pref("browser.newtabpage.activity-stream.feeds.topsites", false);
user_pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.havePinned", "");
user_pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.searchEngines", "");
user_pref("browser.newtabpage.activity-stream.section.highlights.includeDownloads", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.rows", 3);
user_pref("browser.newtabpage.activity-stream.showSponsored", false);
user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
user_pref("browser.newtabpage.activity-stream.telemetry", false);
user_pref("browser.newtabpage.activity-stream.topSitesRows", 3);
user_pref("browser.ping-centre.telemetry", false);
//user_pref("browser.policies.runOncePerModification.extensionsInstall", "[\"bing@search.mozilla.orgdefault\",\"ddg@search.mozilla.org\",\"google@search.mozilla.org\"]");
//user_pref("browser.policies.runOncePerModification.extensionsUninstall", "[\"amazondotcom@search.mozilla.org\",\"ebay@search.mozilla.org\",\"mercadolibre@search.mozilla.org\"]");
//user_pref("browser.policies.runOncePerModification.removeSearchEngines", "[\"Amazon.com\",\"eBay\",\"MercadoLibre\"]");
user_pref("browser.policies.runOncePerModification.setDefaultSearchEngine", "ddg");
user_pref("browser.preferences.defaultPerformanceSettings.enabled", false);
user_pref("browser.privacySegmentation.createdShortcut", true);
user_pref("browser.privacySegmentation.preferences.show", true);
user_pref("browser.privatebrowsing.resetPBM.enabled", true);
//user_pref("browser.privatebrowsing.vpnpromourl", "");
user_pref("browser.privateWindowSeparation.enabled", true);
user_pref("browser.promo.cookiebanners.enabled", true);
//user_pref("browser.promo.focus.disallowed_regions", "");
user_pref("browser.protections_panel.infoMessage.seen", true);
user_pref("browser.region.update.region", "US");
user_pref("browser.rights.3.shown", true);
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
user_pref("browser.search.newSearchConfig.enabled", true);
user_pref("browser.search.region", "US");
user_pref("browser.search.removeEngineInfobar.enabled", false);
user_pref("browser.search.separatePrivateDefault.ui.enabled", true);
user_pref("browser.search.suggest.enabled", true);
user_pref("browser.startup.couldRestoreSession.count", 2);
user_pref("browser.startup.homepage", "https://gabeweb.github.io/gabehoo/");
user_pref("browser.startup.page", 3);
user_pref("browser.tabs.cardPreview.enabled", true);	
user_pref("browser.tabs.cardPreview.showThumbnails", true);
user_pref("browser.tabs.closeWindowWithLastTab", false);
user_pref("browser.tabs.crashReporting.sendReport", false);
user_pref("browser.tabs.firefox-view.ui-state.opentabs.open", true);
user_pref("browser.tabs.firefox-view.ui-state.recently-closed-tabs.open", true);
user_pref("browser.tabs.firefox-view.ui-state.recentlyclosed.open", true);
user_pref("browser.tabs.firefox-view.ui-state.syncedtabs.open", true);
user_pref("browser.tabs.firefox-view.ui-state.tab-pickup.open", true);
user_pref("browser.tabs.loadBookmarksInTabs", true);
user_pref("browser.tabs.loadDivertedInBackground", true);
user_pref("browser.taskbar.lists.recent.enabled", true);
user_pref("browser.theme.content-theme", 1);
user_pref("browser.theme.toolbar-theme", 1);
user_pref("browser.toolbars.bookmarks.visibility", "always");
user_pref("browser.translation.ui.show", true);
user_pref("browser.translations.panelShown", true);
user_pref("browser.translations.select.enable", true);
user_pref("browser.translations.useHTML", true);
user_pref("browser.urlbar.clipboard.featureGate", true);
user_pref("browser.urlbar.contextualSearch.enabled", true);
user_pref("browser.urlbar.placeholderName.private", "DuckDuckGo");
user_pref("browser.urlbar.placeholderName", "DuckDuckGo");
user_pref("browser.urlbar.quickactions.enabled", true);
user_pref("browser.urlbar.quicksuggest.enabled", true);
user_pref("browser.urlbar.quicksuggest.scenario", "history");
user_pref("browser.urlbar.shortcuts.quickactions", true);
user_pref("browser.urlbar.suggest.calculator", true);
user_pref("browser.urlbar.suggest.engines", true);
user_pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false);
user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
user_pref("browser.urlbar.suggest.searches", true);
user_pref("browser.urlbar.suggest.topsites", false);
user_pref("browser.urlbar.suggest.trending", false);
user_pref("browser.urlbar.suggest.weather", true);
user_pref("browser.urlbar.tabToSearch.onboard.interactionsLeft", 2);
user_pref("browser.urlbar.tipShownCount.searchTip_onboard", 4);
user_pref("browser.urlbar.tipShownCount.searchTip_persist", 4);
user_pref("browser.urlbar.tipShownCount.searchTip_redirect", 2);
user_pref("browser.urlbar.unitConversion.enabled", true);
user_pref("browser.urlbar.update2.engineAliasRefresh", true);
user_pref("browser.xul.error_pages.expert_bad_cert", true);

// CONTENT

user_pref("content.notify.interval", 100000);

// COOKIEBANNERS

user_pref("cookiebanners.service.enableGlobalRules", true);
user_pref("cookiebanners.service.mode.privateBrowsing", 1);
user_pref("cookiebanners.service.mode", 1);
user_pref("cookiebanners.ui.desktop.enabled", true);

// DATAREPORTING

user_pref("datareporting.healthreport.uploadEnabled", false);
user_pref("datareporting.policy.dataSubmissionEnabled", false);
user_pref("datareporting.policy.dataSubmissionPolicyAcceptedVersion", 2);

// DEVTOOLS

user_pref("devtools.aboutdebugging.collapsibilities.processes", false);
user_pref("devtools.accessibility.enabled", false);
user_pref("devtools.browserconsole.input.editor", true);
user_pref("devtools.chrome.enabled", true);
user_pref("devtools.command-button-screenshot.enabled", true);
user_pref("devtools.debugger.dom-mutation-breakpoints-visible", true);
user_pref("devtools.debugger.event-listeners-visible", true);
user_pref("devtools.debugger.remote-enabled", true);
user_pref("devtools.everOpened", true);
user_pref("devtools.inspector.activeSidebar", "ruleview");
user_pref("devtools.inspector.selectedSidebar", "ruleview");
user_pref("devtools.inspector.show_pseudo_elements", true);
user_pref("devtools.inspector.showUserAgentStyles", true);
user_pref("devtools.inspector.three-pane-enabled", false);
user_pref("devtools.layout.flexbox.opened", false);
user_pref("devtools.layout.grid.opened", false);
user_pref("devtools.performance.popup.intro-displayed", true);
user_pref("devtools.responsive.reloadNotification.enabled", false);
user_pref("devtools.responsive.touchSimulation.enabled", true);

// DISTRIBUTION

user_pref("distribution.iniFile.exists.value", false);

// DOH

user_pref("doh-rollout.disable-heuristics", true);
user_pref("doh-rollout.doneFirstRun", true);
//user_pref("doh-rollout.home-region", "");

// DOM

user_pref("dom.enable_web_task_scheduling", true);
user_pref("dom.forms.autocomplete.formautofill", true);
user_pref("dom.security.https_first", true);
user_pref("dom.security.https_only_mode_error_page_user_suggestions", true);
user_pref("dom.security.https_only_mode_ever_enabled_pbm", true);
user_pref("dom.security.https_only_mode_ever_enabled", true);
user_pref("dom.security.https_only_mode", true);
user_pref("dom.security.sanitizer.enabled", true);

// EDITOR

user_pref("editor.truncate_user_pastes", false);

// EXTENSIONS

user_pref("extensions.aboutsync.localProvider", true);
//user_pref("extensions.aboutsync.providerURL", "");
user_pref("extensions.aboutsync.usertype", "activeVerbose");
user_pref("extensions.formautofill.addresses.enabled", false);
user_pref("extensions.formautofill.creditCards.enabled", false);
user_pref("extensions.getAddons.showPane", true);
user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
user_pref("extensions.pendingOperations", false);
user_pref("extensions.pictureinpicture.enable_picture_in_picture_overrides", true);
user_pref("extensions.pocket.refresh.hideRecentSaves.enabled", true);
user_pref("extensions.ui.dictionary.hidden", false);
user_pref("extensions.ui.extension.hidden", false);
user_pref("extensions.ui.locale.hidden", false);
user_pref("extensions.ui.plugin.hidden", false);
user_pref("extensions.ui.sitepermission.hidden", false);
user_pref("extensions.ui.theme.hidden", false);
user_pref("extensions.webcompat.enable_shims", true);
user_pref("extensions.webcompat.perform_injections", true);
user_pref("extensions.webcompat.perform_ua_overrides", true);

// FINDBAR

user_pref("findbar.highlightAll", true);

// FONT

user_pref("font.size.monospace.x-western", 14);

// FULL-SCREEN

user_pref("full-screen-api.transition-duration.enter", "0 0");
user_pref("full-screen-api.transition-duration.leave", "0 0");
user_pref("full-screen-api.warning.delay", -1);
user_pref("full-screen-api.warning.timeout", 0);

// GENERAL

user_pref("general.smoothScroll.currentVelocityWeighting", "0.15");
user_pref("general.smoothScroll.mouseWheel.durationMinMS", 80);
user_pref("general.smoothScroll.msdPhysics.enabled", true);
user_pref("general.smoothScroll.stopDecelerationWeighting", "0.6");

// GFX

user_pref("gfx-shader-check.ptr-size", 8);
user_pref("gfx.canvas.accelerated.cache-items", 4096);
user_pref("gfx.canvas.accelerated.cache-size", 512);
user_pref("gfx.content.skia-font-cache-size", 20);

// IDENTITY

user_pref("identity.fxaccounts.toolbar.accessed", true);

// IMAGE

user_pref("image.mem.decode_bytes_at_a_time", 32768);

// INTL

user_pref("intl.accept_languages", "en-US, en");

// LAYERS

user_pref("layers.acceleration.disabled", true);

// LAYOUT

user_pref("layout.css.grid-template-masonry-value.enabled", true);
user_pref("layout.css.has-selector.enabled", true);
user_pref("layout.css.prefers-color-scheme.content-override", 0);
user_pref("layout.forms.reveal-password-button.enabled", true);

// MEDIA

user_pref("media.autoplay.block-event.enabled", true);
user_pref("media.autoplay.blocking_policy", 2);
user_pref("media.autoplay.default", 5);
user_pref("media.cache_readahead_limit", 7200);
user_pref("media.cache_resume_threshold", 3600);
user_pref("media.eme.enabled", true);
user_pref("media.hardware-video-decoding.failed", false);
user_pref("media.memory_cache_max_size", 196608);
user_pref("media.memory_caches_combined_limit_kb", 1572864);
user_pref("media.navigator.enabled", false);
user_pref("media.peerconnection.enabled", false);
user_pref("media.videocontrols.picture-in-picture.video-toggle.always-show", true);
user_pref("media.videocontrols.picture-in-picture.video-toggle.first-seen-secs", 1693162775);
user_pref("media.videocontrols.picture-in-picture.video-toggle.has-used", true);

// MOUSEWHEEL

user_pref("mousewheel.min_line_scroll_amount", 10);

// NETWORK

user_pref("network.buffer.cache.count", 128);
user_pref("network.buffer.cache.size", 262144);
user_pref("network.captive-portal-service.enabled", false);
user_pref("network.connectivity-service.enabled", false);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.dns.max_high_priority_threads", 8);
user_pref("network.dnsCacheEntries", 10000);
user_pref("network.dnsCacheExpiration", 86400);
user_pref("network.http.connection-retry-timeout", 0);
user_pref("network.http.http3.version_negotiation.enabled", true);
user_pref("network.http.max-connections", 1800);
user_pref("network.http.max-persistent-connections-per-server", 10);
user_pref("network.http.max-urgent-start-excessive-connections-per-host", 5);
user_pref("network.http.pacing.requests.burst", 20);
user_pref("network.http.pacing.requests.min-parallelism", 12);
user_pref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true);
user_pref("network.http.speculative-parallel-limit", 0);
user_pref("network.IDN_show_punycode", true);
user_pref("network.predictor.enable-prefetch", false);
user_pref("network.predictor.enabled", false);
user_pref("network.prefetch-next", false);
user_pref("network.proxy.type", 0);
user_pref("network.ssl_tokens_cache_capacity", 32768);
user_pref("network.trr.custom_uri", "https://dns.adguard-dns.com/dns-query");
user_pref("network.trr.mode", 3);
user_pref("network.trr.uri", "https://dns.adguard-dns.com/dns-query");
user_pref("network.websocket.max-connections", 400);

// NGLAYOUT

user_pref("nglayout.initialpaint.delay_in_oopif", 0);
user_pref("nglayout.initialpaint.delay", 0);

// PDFJS

user_pref("pdfjs.enabledCache.state", true);
user_pref("pdfjs.previousHandler.alwaysAskBeforeHandling", true);
user_pref("pdfjs.sidebarViewOnLoad", 2);

// PERMISSIONS

user_pref("permissions.default.desktop-notification", 2);
user_pref("permissions.default.geo", 2);
//user_pref("permissions.manager.defaultsUrl", "");

// PREF

user_pref("pref.privacy.disable_button.cookie_exceptions", false);
user_pref("pref.privacy.disable_button.tracking_protection_exceptions", false);

// PRINT

user_pref("print.more-settings.open", true);
user_pref("print_printer", "Mozilla Save to PDF");

// PRIVACY

user_pref("privacy.annotate_channels.strict_list.enabled", true);
user_pref("privacy.antitracking.testing", true);
user_pref("privacy.authPromptSpoofingProtection", true);
user_pref("privacy.bounceTrackingProtection.enabled", true);
user_pref("privacy.clearOnShutdown.cache", true);
user_pref("privacy.clearOnShutdown.cookies", false);
user_pref("privacy.clearOnShutdown.downloads", false);
user_pref("privacy.clearOnShutdown.formdata", true);
user_pref("privacy.clearOnShutdown.history", false);
user_pref("privacy.clearOnShutdown.offlineApps",	false);
user_pref("privacy.clearOnShutdown.openWindows", false);
user_pref("privacy.clearOnShutdown.sessions", false);
user_pref("privacy.clearOnShutdown.siteSettings", false);
user_pref("privacy.clearOnShutdown_v2.cache", true);
user_pref("privacy.clearOnShutdown_v2.cookiesAndStorage", false);
user_pref("privacy.clearOnShutdown_v2.downloads", false);
user_pref("privacy.clearOnShutdown_v2.historyFormDataAndDownloads",	false);
user_pref("privacy.clearOnShutdown_v2.siteSettings", false);
user_pref("privacy.cpd.cache", true);
user_pref("privacy.cpd.cookies", false);
user_pref("privacy.cpd.downloads", true);
user_pref("privacy.cpd.formdata", true);
user_pref("privacy.cpd.history", true);
user_pref("privacy.cpd.offlineApps", false);
user_pref("privacy.cpd.openWindows", false);
user_pref("privacy.cpd.passwords", false);
user_pref("privacy.cpd.sessions", false);
user_pref("privacy.cpd.siteSettings", false);
user_pref("privacy.donottrackheader.enabled", true);
user_pref("privacy.fingerprintingProtection", true);
user_pref("privacy.fingerprintingProtection.pbmode", true);
user_pref("privacy.globalprivacycontrol.enabled", true);
user_pref("privacy.globalprivacycontrol.functionality.enabled",	true);
user_pref("privacy.globalprivacycontrol.pbmode.enabled",	true);
user_pref("privacy.globalprivacycontrol.was_ever_enabled", true);
user_pref("privacy.history.custom", true);
user_pref("privacy.panicButton.enabled",	true);
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage",	true);
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage",	false);
user_pref("privacy.partition.bloburl_per_partition_key",	true);
user_pref("privacy.partition.network_state",	true);
user_pref("privacy.partition.network_state.connection_with_proxy",	false);
user_pref("privacy.partition.network_state.ocsp_cache",	true);
user_pref("privacy.partition.network_state.ocsp_cache.pbmode",	true);
user_pref("privacy.popups.showBrowserMessage", true);
user_pref("privacy.purge_trackers.date_in_cookie_database", "0");
user_pref("privacy.purge_trackers.enabled", true);
user_pref("privacy.query_stripping.enabled.pbmode", true);
user_pref("privacy.query_stripping.enabled", true);
//user_pref("privacy.sanitize.pending", "[]");
user_pref("privacy.sanitize.sanitizeOnShutdown", true);
user_pref("privacy.sanitize.timeSpan", 0);
user_pref("privacy.socialtracking.block_cookies.enabled", true);
user_pref("privacy.spoof_english", 1);
user_pref("privacy.trackingprotection.annotate_channels",	true);
user_pref("privacy.trackingprotection.cryptomining.enabled",	true);
user_pref("privacy.trackingprotection.emailtracking.data_collection.enabled",	true);
user_pref("privacy.trackingprotection.emailtracking.pbmode.enabled",	true);
user_pref("privacy.trackingprotection.emailtracking.enabled", true);
user_pref("privacy.trackingprotection.enabled", true);
user_pref("privacy.trackingprotection.fingerprinting.enabled",	true);
user_pref("privacy.trackingprotection.lower_network_priority",	false);
user_pref("privacy.trackingprotection.pbmode.enabled",	true);
user_pref("privacy.trackingprotection.socialtracking.enabled", true);
user_pref("privacy.userContext.enabled", true);
user_pref("privacy.userContext.ui.enabled", true);

// SANITY

user_pref("sanity-test.running", false);

// SCREENSHOTS

user_pref("screenshots.browser.component.enabled", true);

// SECURITY

user_pref("security.cert_pinning.enforcement_level", 2);
user_pref("security.disable_button.openDeviceManager", false);
user_pref("security.insecure_connection_text.enabled", true);
user_pref("security.insecure_connection_text.pbmode.enabled", true);
user_pref("security.ssl.require_safe_negotiation", true);
user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
user_pref("security.tls.enable_0rtt_data", false);
user_pref("security.webauth.webauthn_enable_android_fido2", true);
user_pref("security.webauthn.webauthn_enable_android_fido2.residentkey", true);

// SERVICES

user_pref("services.settings.clock_skew_seconds", -1);
user_pref("services.sync.deletePwdFxA", true);
user_pref("services.sync.engine.addresses.available", true);
user_pref("services.sync.engine.prefs.modified", false);
user_pref("services.sync.globalScore", 0);
user_pref("services.sync.log.appender.dump", "Trace");
user_pref("services.sync.log.appender.file.logOnSuccess", true);
user_pref("services.sync.log.logger.engine", "Trace");
user_pref("services.sync.log.logger.network.resources", "Debug");
user_pref("services.sync.log.logger", "Trace");
user_pref("services.sync.nextSync", 0);
user_pref("services.sync.prefs.setting", true);
user_pref("services.sync.prefs.sync-seen.app.shield.optoutstudies.enabled", true);
user_pref("services.sync.prefs.sync-seen.browser.contentblocking.category", true);
user_pref("services.sync.prefs.sync-seen.browser.crashReports.unsubmittedCheck.autoSubmit2", true);
user_pref("services.sync.prefs.sync-seen.browser.ctrlTab.sortByRecentlyUsed", true);
user_pref("services.sync.prefs.sync-seen.browser.discovery.enabled", true);
user_pref("services.sync.prefs.sync-seen.browser.download.useDownloadDir", true);
user_pref("services.sync.prefs.sync-seen.browser.firefox-view.feature-tour", true);
user_pref("services.sync.prefs.sync-seen.browser.formfill.enable", true);
user_pref("services.sync.prefs.sync-seen.browser.menu.showViewImageInfo", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.feeds.section.highlights", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.feeds.section.topstories", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.feeds.snippets", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.feeds.topsites", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.section.highlights.includeDownloads", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.section.highlights.includePocket", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.section.highlights.rows", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.showSponsoredTopSites", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.activity-stream.topSitesRows", true);
user_pref("services.sync.prefs.sync-seen.browser.newtabpage.pinned", true);
user_pref("services.sync.prefs.sync-seen.browser.safebrowsing.downloads.enabled", true);
user_pref("services.sync.prefs.sync-seen.browser.safebrowsing.downloads.remote.block_potentially_unwanted", true);
user_pref("services.sync.prefs.sync-seen.browser.safebrowsing.malware.enabled", true);
user_pref("services.sync.prefs.sync-seen.browser.safebrowsing.phishing.enabled", true);
user_pref("services.sync.prefs.sync-seen.browser.search.widget.inNavBar", true);
user_pref("services.sync.prefs.sync-seen.browser.startup.homepage", true);
user_pref("services.sync.prefs.sync-seen.browser.startup.page", true);
user_pref("services.sync.prefs.sync-seen.browser.urlbar.suggest.engines", true);
user_pref("services.sync.prefs.sync-seen.browser.urlbar.suggest.searches", true);
user_pref("services.sync.prefs.sync-seen.browser.urlbar.suggest.topsites", true);
user_pref("services.sync.prefs.sync-seen.dom.event.contextmenu.enabled", true);
user_pref("services.sync.prefs.sync-seen.dom.security.https_only_mode_ever_enabled_pbm", true);
user_pref("services.sync.prefs.sync-seen.dom.security.https_only_mode_ever_enabled", true);
user_pref("services.sync.prefs.sync-seen.dom.security.https_only_mode", true);
user_pref("services.sync.prefs.sync-seen.extensions.activeThemeID", true);
user_pref("services.sync.prefs.sync-seen.general.autoScroll", true);
user_pref("services.sync.prefs.sync-seen.general.smoothScroll", true);
user_pref("services.sync.prefs.sync-seen.intl.accept_languages", true);
user_pref("services.sync.prefs.sync-seen.intl.regional_prefs.use_os_locales", true);
user_pref("services.sync.prefs.sync-seen.media.autoplay.default", true);
user_pref("services.sync.prefs.sync-seen.media.eme.enabled", true);
user_pref("services.sync.prefs.sync-seen.network.cookie.cookieBehavior", true);
user_pref("services.sync.prefs.sync-seen.pref.privacy.disable_button.cookie_exceptions", true);
user_pref("services.sync.prefs.sync-seen.privacy.clearOnShutdown.cookies", true);
user_pref("services.sync.prefs.sync-seen.privacy.clearOnShutdown.downloads", true);
user_pref("services.sync.prefs.sync-seen.privacy.clearOnShutdown.history", true);
user_pref("services.sync.prefs.sync-seen.privacy.clearOnShutdown.offlineApps", true);
user_pref("services.sync.prefs.sync-seen.privacy.clearOnShutdown.sessions", true);
user_pref("services.sync.prefs.sync-seen.privacy.donottrackheader.enabled", true);
user_pref("services.sync.prefs.sync-seen.privacy.globalprivacycontrol.enabled", true);
user_pref("services.sync.prefs.sync-seen.privacy.sanitize.sanitizeOnShutdown", true);
user_pref("services.sync.prefs.sync-seen.privacy.trackingprotection.enabled", true);
user_pref("services.sync.prefs.sync-seen.privacy.userContext.enabled", true);
user_pref("services.sync.prefs.sync-seen.privacy.userContext.newTabContainerOnLeftClick.enabled", true);
user_pref("services.sync.prefs.sync-seen.signon.autofillForms", true);
user_pref("services.sync.prefs.sync-seen.signon.generation.enabled", true);
user_pref("services.sync.prefs.sync-seen.signon.rememberSignons", true);
user_pref("services.sync.syncInterval", 600000);
user_pref("services.sync.syncThreshold", 300);

// SIGNON

user_pref("signon.autofillForms", false);
user_pref("signon.generation.enabled", false);
user_pref("signon.rememberSignons", false);

// STORAGE

user_pref("storage.vacuum.last.index", 2);

// SVG

user_pref("svg.context-properties.content.enabled", true);

// TOOLKIT

user_pref("toolkit.coverage.opt-out", true);
user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.bhrPing.enabled", false);
user_pref("toolkit.telemetry.coverage.opt-out", true);
user_pref("toolkit.telemetry.enabled", false);
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
user_pref("toolkit.telemetry.newProfilePing.enabled", false);
user_pref("toolkit.telemetry.pioneer-new-studies-available", true);
user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
user_pref("toolkit.telemetry.server", "data:,");
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.telemetry.updatePing.enabled", false);

// TRAILHEAD

user_pref("trailhead.firstrun.didSeeAboutWelcome", true);

// UI

user_pref("ui.context_menus.after_mouseup", true);

// VIEWSOURCE

user_pref("view_source.wrap_long_lines", true);

// XPINSTALL

user_pref("xpinstall.signatures.required", false);