Hide Firefox Labs tab in settings

Without this option it briefly appears when first opening settings. Now it's completely gone.

user.js

@@ -10,13 +10,21 @@ user_pref("identity.fxaccounts.remote.root", "");
 user_pref("identity.fxaccounts.service.monitorLoginUrl", "");
 user_pref("identity.fxaccounts.toolbar.enabled", false);
 
+// Connectivity
+user_pref("captivedetect.canonicalURL", "");
+user_pref("network.captive-portal-service.enabled", false);
+user_pref("network.connectivity-service.enabled", false);
+
 // Crash reporter
 user_pref("breakpad.reportURL", "");
+user_pref("browser.crashReports.onDemand", false);
 user_pref("browser.tabs.crashReporting.sendReport", false);
 user_pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false);
 user_pref("toolkit.crashreporter.infoURL", "");
 
 // Data reporting
+user_pref("datareporting.dau.cachedUsageProfileGroupID", "");
+user_pref("datareporting.dau.cachedUsageProfileID", "");
 user_pref("datareporting.healthreport.infoURL", "");
 user_pref("datareporting.healthreport.uploadEnabled", false);
 user_pref("datareporting.policy.dataSubmissionEnabled", false);
@@ -36,23 +44,38 @@ user_pref("browser.download.start_downloads_in_tmp_dir", true);
 user_pref("browser.download.useDownloadDir", false);
 user_pref("browser.helperApps.deleteTempFileOnExit", true);
 
+// Experiments
+user_pref("browser.preferences.experimental.hidden", true);
+user_pref("messaging-system.rsexperimentloader.collection_id", "");
+user_pref("nimbus.profilesdatastoreservice.enabled", false);
+user_pref("nimbus.profileId", "");
+user_pref("nimbus.telemetry.targetingContextEnabled", false);
+user_pref("nimbus.rollouts.enabled", false);
+user_pref("nimbus.validation.enabled", false);
+
 // Firefox View
 user_pref("browser.tabs.firefox-view", false);
 user_pref("browser.tabs.firefox-view-next", false);
 
 // Geolocation
 user_pref("geo.enabled", false);
-user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
+user_pref("geo.provider.network.url", "https://api.beacondb.net/v1/geolocate");
-user_pref("geo.wifi.logging.enabled", false);
-user_pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
 user_pref("geo.provider.ms-windows-location", false);
 user_pref("geo.provider.use_geoclue", false);
-user_pref("geo.provider.use_gpsd", false);
 
-// Machine learning
+// Machine learning and artificial intelligence
+user_pref("browser.ai.control.default", "blocked");
+user_pref("browser.ai.control.linkPreviewKeyPoints", "blocked");
+user_pref("browser.ai.control.pdfjsAltText", "blocked");
+user_pref("browser.ai.control.sidebarChatbot", "blocked");
+user_pref("browser.ai.control.smartTabGroups", "blocked");
+user_pref("browser.ai.control.translations", "blocked");
 user_pref("browser.ml.chat.enabled", false);
+user_pref("browser.ml.chat.sidebar", false);
 user_pref("browser.ml.chat.menu", false);
 user_pref("browser.ml.enable", false);
+user_pref("browser.ml.linkPreview.supportedLocales", "null");
+user_pref("browser.preferences.aiControls", false);
 user_pref("browser.tabs.groups.smart.enabled", false);
 user_pref("browser.tabs.groups.smart.userEnabled", false);
 user_pref("extensions.ui.mlmodel.hidden", true);
@@ -63,6 +86,7 @@ user_pref("browser.newtabpage.activity-stream.asrouter.providers.cfr-fxa", "");
 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.default.sites", "");
+user_pref("browser.newtabpage.activity-stream.feeds.weatherfeed", false);
 user_pref("browser.newtabpage.activity-stream.discoverystream.config", "{\"collapsible\":true,\"enabled\":false,\"personalized\":false,\"layout_endpoint\":\"\"}");
 user_pref("browser.newtabpage.activity-stream.discoverystream.enabled", false);
 user_pref("browser.newtabpage.activity-stream.discoverystream.endpoints", "");
@@ -102,6 +126,7 @@ user_pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcu
 user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false);
 user_pref("browser.newtabpage.activity-stream.showSponsored", false);
 user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
+user_pref("browser.newtabpage.activity-stream.showWeather", false);
 user_pref("browser.newtabpage.activity-stream.telemetry", false);
 user_pref("browser.newtabpage.activity-stream.telemetry.structuredIngestion.endpoint", "");
 user_pref("browser.newtabpage.activity-stream.telemetry.ut.events", false);
@@ -141,6 +166,8 @@ user_pref("extensions.pocket.site", "");
 user_pref("reader.pocket.ctaVersion", "");
 
 // Prefetching
+user_pref("browser.places.speculativeConnect.enabled", false);
+user_pref("browser.urlbar.speculativeConnect.enabled", false);
 user_pref("network.dns.disablePrefetch", true);
 user_pref("network.dns.disablePrefetchFromHTTPS", true);
 user_pref("network.http.speculative-parallel-limit", 0);
@@ -158,16 +185,6 @@ user_pref("default-browser-agent.enabled", false);
 user_pref("dom.battery.enabled", false);
 user_pref("dom.event.clipboardevents.enabled", false);
 user_pref("dom.private-attribution.submission.enabled", false);
-user_pref("media.navigator.enabled", false);
-user_pref("network.cookie.cookieBehavior", 5);
-user_pref("privacy.donottrackheader.enabled", true);
-user_pref("privacy.globalprivacycontrol.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.trackingprotection.enabled", true);
-user_pref("privacy.trackingprotection.socialtracking.enabled", true);
-user_pref("privacy.userContext.enabled", true);
-user_pref("privacy.userContext.ui.enabled", true);
 user_pref("gecko.handlerService.schemes.irc.0.name", "");
 user_pref("gecko.handlerService.schemes.irc.0.uriTemplate", "");
 user_pref("gecko.handlerService.schemes.ircs.0.name", "");
@@ -178,7 +195,20 @@ user_pref("gecko.handlerService.schemes.mailto.1.name", "");
 user_pref("gecko.handlerService.schemes.mailto.1.uriTemplate", "");
 user_pref("identity.sync.tokenserver.uri", "");
 user_pref("media.decoder-doctor.new-issue-endpoint", "");
+user_pref("media.navigator.enabled", false);
+user_pref("network.cookie.cookieBehavior", 5);
 user_pref("network.protocol-handler.external.ms-windows-store", false);
+user_pref("privacy.donottrackheader.enabled", true);
+user_pref("privacy.globalprivacycontrol.enabled", true);
+user_pref("privacy.globalprivacycontrol.functionality.enabled", true);
+user_pref("privacy.globalprivacycontrol.pbmode.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.trackingprotection.enabled", true);
+user_pref("privacy.trackingprotection.socialtracking.enabled", true);
+user_pref("privacy.userContext.enabled", true);
+user_pref("privacy.userContext.ui.enabled", true);
+user_pref("security.csp.reporting.enabled", false);
 
 // Promotion
 user_pref("browser.contentblocking.report.hide_vpn_banner", true);
@@ -193,6 +223,8 @@ user_pref("identity.mobilepromo.ios", "");
 user_pref("identity.sendtabpromo.url", "");
 
 // Recommended
+user_pref("browser.topsites.contile.enabled", false);
+user_pref("browser.topsites.contile.endpoint", "");
 user_pref("browser.topsites.useRemoteSetting", false);
 user_pref("browser.urlbar.quicksuggest.enabled", false);
 user_pref("browser.urlbar.suggest.topsites", false);
@@ -211,10 +243,18 @@ user_pref("browser.shopping.experience2023.enabled", false);
 user_pref("browser.shopping.experience2023.optedIn", 2);
 user_pref("browser.shopping.experience2023.survey.enabled", false);
 
+// Sidebar
+user_pref("browser.engagement.sidebar-button.has-used", false);
+user_pref("sidebar.backupState", "{}");
+user_pref("sidebar.main.tools", "");
+user_pref("sidebar.new-sidebar.has-used", false);
+user_pref("sidebar.old-sidebar.has-used", false);
+user_pref("sidebar.revamp", false);
+
 // Telemetry
 user_pref("browser.ping-centre.telemetry", false);
+user_pref("browser.search.serpEventTelemetryCategorization.enabled", false);
 user_pref("browser.tabs.warnOnClose", true);
-user_pref("browser.urlbar.eventTelemetry.enabled", false);
 user_pref("dom.security.unexpected_system_load_telemetry_enabled", false);
 user_pref("network.trr.confirmation_telemetry_enabled", false);
 user_pref("privacy.trackingprotection.origin_telemetry.enabled", false);
@@ -223,14 +263,20 @@ user_pref("security.certerrors.recordEventTelemetry", false);
 user_pref("security.identitypopup.recordEventTelemetry", false);
 user_pref("security.protectionspopup.recordEventTelemetry", false);
 user_pref("telemetry.origin_telemetry_test_mode.enabled", false);
+user_pref("toolkit.coverage.enabled", false);
+user_pref("toolkit.coverage.endpoint.base", "");
+user_pref("toolkit.coverage.opt-out", true);
 user_pref("toolkit.telemetry.archive.enabled", false);
 user_pref("toolkit.telemetry.bhrPing.enabled", false);
+user_pref("toolkit.telemetry.cachedClientID", "");
+user_pref("toolkit.telemetry.cachedProfileGroupID", "");
 user_pref("toolkit.telemetry.debugSlowSql", false);
 user_pref("toolkit.telemetry.ecosystemtelemetry.enabled", false);
 user_pref("toolkit.telemetry.enabled", false);
 user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
 user_pref("toolkit.telemetry.geckoview.streaming", false);
 user_pref("toolkit.telemetry.newProfilePing.enabled", false);
+user_pref("toolkit.telemetry.previousBuildID", "");
 user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
 user_pref("toolkit.telemetry.server", "");
 user_pref("toolkit.telemetry.server_owner", "");
@@ -244,6 +290,12 @@ user_pref("toolkit.telemetry.updatePing.enabled", false);
 user_pref("browser.translations.automaticallyPopup", false);
 user_pref("browser.translations.enable", false);
 
+// Url bar
+user_pref("browser.urlbar.showSearchSuggestionsFirst", false);
+user_pref("browser.search.suggest.enabled", false);
+user_pref("browser.urlbar.suggest.recentsearches", false);
+user_pref("browser.urlbar.suggest.searches", false);
+
 // Other
 user_pref("accessibility.typeaheadfind.flashBar", false);
 user_pref("browser.contentblocking.report.lockwise.enabled", false);
@@ -253,12 +305,9 @@ user_pref("browser.tabs.searchclipboardfor.middleclick", false);
 user_pref("browser.toolbars.bookmarks.visibility", "never");
 user_pref("browser.xul.error_pages.expert_bad_cert", true);
 user_pref("browser.uitour.enabled", false);
-user_pref("browser.urlbar.showSearchSuggestionsFirst", false);
-user_pref("browser.urlbar.suggest.recentsearches", false);
 user_pref("devtools.debugger.remote-enabled", false);
 user_pref("devtools.debugger.skip-pausing", true);
 user_pref("extensions.activeThemeID", "default-theme@mozilla.org");
-user_pref("extensions.formautofill.creditCards.available", false);
 user_pref("extensions.formautofill.creditCards.enabled", false);
 user_pref("extensions.getAddons.cache.enabled", false);
 user_pref("extensions.webcompat-reporter.enabled", false);