diff --git a/config/mozilla.cfg b/config/mozilla.cfg
index a2c96c6..2f6b88c 100644
--- a/config/mozilla.cfg
+++ b/config/mozilla.cfg
@@ -76,6 +76,8 @@ defaultPref("intl.accept_languages", "en-US, en");
 // -------------------------------------
 // Use en-US locale regardless of the system or region locale
 defaultPref("javascript.use_us_english_locale", true); // [HIDDEN PREF]
+defaultPref("privacy.spoof_english", 2);
+defaultPref("intl.locale.requested", "en-US";
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // QUIETER FOX
@@ -490,9 +492,6 @@ defaultPref("privacy.userContext.ui.enabled", true);
 // PLUGINS / MEDIA / WEBRTC
 // >>>>>>>>>>>>>>>>>>>>>
 //
-// Disable WebRTC (Web Real-Time Communication)
-defaultPref("media.peerconnection.enabled", false);
-// -------------------------------------
 // Force WebRTC inside the proxy [FF70+]
 lockPref("media.peerconnection.ice.proxy_only_if_behind_proxy", true);
 // -------------------------------------
@@ -601,7 +600,7 @@ defaultPref("extensions.webservice.discoverURL", "");
 // >>>>>>>>>>>>>>>>>>>>>
 //
 // Enable ETP Strict Mode [FF86+]
-lockPref("browser.contentblocking.category", "strict");
+defaultPref("browser.contentblocking.category", "strict");
 // -------------------------------------
 // Disable ETP web compat features [FF93+]
 // lockPref("privacy.antitracking.enableWebcompat", false);
@@ -778,6 +777,9 @@ defaultPref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
 // Disable page thumbnail collection
 // defaultPref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF]
 // -------------------------------------
+// Force GPU sandboxing (Linux, default on Windows)
+defaultPref("security.sandbox.gpu.level", 1);
+// -------------------------------------
 // Enable Site Isolation
 defaultPref("fission.autostart", true);
 defaultPref("gfx.webrender.all", true);
@@ -925,10 +927,10 @@ defaultPref("extensions.systemAddon.update.url", ""); // [FF44+]
 // lockPref("privacy.donottrackheader.enabled", true);
 // -------------------------------------
 // Customize ETP settings
-lockPref("network.cookie.cookieBehavior", 5); // [DEFAULT: 5 FF103+]
+defaultPref("network.cookie.cookieBehavior", 5); // [DEFAULT: 5 FF103+]
 // lockPref("privacy.partition.network_state.ocsp_cache", true);
 // lockPref("privacy.query_stripping.enabled", true); // [FF101+] [ETP FF102+]
-lockPref("privacy.query_stripping.strip_list", "__hsfp __hssc __hstc __s _hsenc _openstat dclid fbclid gbraid gclid hsCtaTracking igshid mc_eid ml_subscriber ml_subscriber_hash msclkid oft_c oft_ck oft_d oft_id oft_ids oft_k oft_lk oft_sk oly_anon_id oly_enc_id rb_clickid s_cid twclid vero_conv vero_id wbraid wickedid yclid");
+defaultPref("privacy.query_stripping.strip_list", "__hsfp __hssc __hstc __s _hsenc _openstat dclid fbclid gbraid gclid hsCtaTracking igshid mc_eid ml_subscriber ml_subscriber_hash msclkid oft_c oft_ck oft_d oft_id oft_ids oft_k oft_lk oft_sk oly_anon_id oly_enc_id rb_clickid s_cid twclid vero_conv vero_id wbraid wickedid yclid");
 // lockPref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
 // lockPref("network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation", true); // [FF100+]
 // lockPref("privacy.trackingprotection.enabled", true);
@@ -952,6 +954,9 @@ defaultPref("dom.push.enabled", false);
 defaultPref("dom.push.connection.enabled", false);
 defaultPref("dom.push.serverURL", "");
 defaultPref("dom.push.userAgentID", "");
+// -------------------------------------
+// Disable WebRTC (Web Real-Time Communication)
+defaultPref("media.peerconnection.enabled", false);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // DON'T BOTHER: FINGERPRINTING