diff --git a/home/browser/firefox.nix b/home/browser/firefox.nix
index 21188cf0..f2765031 100644
--- a/home/browser/firefox.nix
+++ b/home/browser/firefox.nix
@@ -24,7 +24,6 @@
         DisableSetDesktopBackground = true;
         DisableSystemAddonUpdate = true;
         DisableTelemetry = true;
-        DisplayBookmarksToolbar = "never";
         DisplayMenuBar = "default-off";
         DontCheckDefaultBrowser = true;
         EnableTrackingProtection = {
@@ -95,11 +94,12 @@
           "app.shield.optoutstudies.enabled" = false;
           "browser.bookmarks.addedImportButton" = false;
           "browser.bookmarks.showMobileBookmarks" = false;
-          "browser.toolbars.bookmarks.visibility" = "newtab";
+          "browser.toolbars.bookmarks.visibility" = "never";
           "browser.contentblocking.category" = "strict";
           "browser.search.region" = "GB";
           "browser.search.isUS" = false;
           "browser.warnOnQuitShortcut" = false;
+          "browser.zoom.siteSpecific" = false;
           "distribution.searchplugins.defaultLocale" = "en-GB";
           "doh-rollout.home-region" = "GB";
           "extensions.activeThemeID" = "default-theme@mozilla.org";
@@ -107,11 +107,14 @@
           "general.useragent.locale" = "en-GB";
           "intl.accept_languages" = "en-gb,en";
           "intl.locale.requested" = "en-gb,en";
-          "intl.regional_prefs.use_os_locales" = false;
+          "intl.regional_prefs.use_os_locales" = true;
           "media.eme.enabled" = true;
           "privacy.webrtc.legacyGlobalIndicator" = false;
           "signon.management.page.breach-alerts.enabled" = false;
           "signon.rememberSignons" = false;
+          "widget.use-xdg-desktop-portal.file-picker" = 1;
+          "widget.use-xdg-desktop-portal.mime-handler" = 1;
+          "widget.use-xdg-desktop-portal.open-uri" = 1;
           "browser.newtabpage.pinned" = [
             {
               title = "NixOS Wiki";