diff --git a/user.js b/user.js
index 15b7e40..058e83c 100644
--- a/user.js
+++ b/user.js
@@ -290,6 +290,7 @@ user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
 user_pref("toolkit.telemetry.server", "data:,");
 user_pref("toolkit.telemetry.server_owner", "");
 user_pref("toolkit.telemetry.unified", false);
+user_pref("toolkit.telemetry.unifiedIsOptIn", false); // [DESKTOP]
 user_pref("toolkit.telemetry.archive.enabled", false); // [DESKTOP]
 user_pref("toolkit.telemetry.cachedClientID", ""); // [DESKTOP]
 user_pref("toolkit.telemetry.newProfilePing.enabled", false); // [DESKTOP]
@@ -301,6 +302,8 @@ user_pref("toolkit.telemetry.hybridContent.enabled", false); // [DESKTOP]
 user_pref("toolkit.telemetry.previousBuildID", ""); // [DESKTOP]
 user_pref("toolkit.telemetry.prompted", 2); // [DESKTOP]
 user_pref("toolkit.telemetry.rejected", true); // [DESKTOP]
+user_pref("security.identitypopup.recordEventElemetry", false); // [DESKTOP]
+user_pref("security.certerrors.recordEventTelemetry", false); // [DESKTOP]
 // -------------------------------------
 // Pref : Disable Telemetry Coverage
 // https://blog.mozilla.org/data/2018/08/20/effectively-measuring-search-in-firefox/
@@ -387,8 +390,10 @@ user_pref("lightweightThemes.recommendedThemes", ""); // [DESKTOP]
 // [NOTE] This pref has no effect when Health Reports are disabled
 user_pref("app.shield.optoutstudies.enabled", false); // [DESKTOP]
 user_pref("extensions.shield-recipe-client.enabled", false); // [DESKTOP]
+user_pref("extensions.shield-recipe-client.api_url", ""); // [DESKTOP]
 // -------------------------------------
 // Pref : Disable backlogged Crash Reports
+user_pref("browser.crashReports.unsubmittedCheck.autoSubmit", false); // [DESKTOP]
 user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DESKTOP]
 // -------------------------------------
 // Pref : Disable Heartbeat (Mozilla user rating telemetry)
@@ -552,6 +557,11 @@ user_pref("mailnews.mx_service_url", ""); // [DESKTOP]
 user_pref("browser.newtabpage.activity-stream.default.sites", ""); // [DESKTOP]
 user_pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.havePinned", ""); // [DESKTOP]
 user_pref("browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.searchEngines", ""); // [DESKTOP]
+// -------------------------------------
+// Pref : Disable FF Recommended Extensions suggestions
+// https://www.ghacks.net/2019/05/15/enable-new-firefox-recommended-extensions-suggestions-in-firefox-68-nightly/
+user_pref("extensions.htmlaboutaddons.discover.enabled", false);
+user_pref("extensions.htmlaboutaddons.inline-options.enabled", false);
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // Section : Miscellaneous
@@ -860,6 +870,10 @@ user_pref("permissions.manager.defaultsUrl", ""); // [DESKTOP]
 // https://bugzilla.mozilla.org/show_bug.cgi?id=1216893
 // https://github.com/iSECPartners/publications/raw/master/reports/Tor%20Browser%20Bundle/Tor%20Browser%20Bundle%20-%20iSEC%20Deliverable%201.3.pdf#16
 // user_pref("svg.disabled", true);
+// -------------------------------------
+// Pref : Enable FF Process Priority Manager
+// https://bugzilla.mozilla.org/show_bug.cgi?id=1548364
+user_pref("dom.ipc.processPriorityManager.enabled", true); // [DESKTOP] // [TEST]
 //
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // Section : Web Workers
@@ -935,7 +949,7 @@ user_pref("javascript.options.asmjs", false);
 // https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0817
 // https://trac.torproject.org/projects/tor/ticket/26019
 user_pref("javascript.options.ion", false);
-user_pref("javascript.options.baselinejit", false);
+// user_pref("javascript.options.baselinejit", false); //  [FENNEC - BUG] If false show warning message when we try to download any addons from official page
 user_pref("javascript.options.native_regexp", false);
 // -------------------------------------
 // Pref : Disable WebAssembly
@@ -1014,6 +1028,8 @@ user_pref("webgl.disable-wgl", true); // [DEFAULT: false]
 user_pref("webgl.disable-fail-if-major-performance-caveat", true);
 user_pref("webgl.can-lose-context-in-foreground", false); // [DEFAULT: true]
 user_pref("webgl.force-enabled", false);
+user_pref("webgl.vendor-string-override", " ");
+user_pref("webgl.renderer-string-override", " ");
 // -------------------------------------
 // Pref : Disable screensharing and audiocapture
 user_pref("media.getusermedia.screensharing.enabled", false); // [DESKTOP]
@@ -1766,13 +1782,12 @@ user_pref("geo.wifi.logging.enabled", false); // [HIDDEN PREF] // [DESKTOP]
 user_pref("browser.display.use_document_fonts", 0);
 // -------------------------------------
 // Pref : Set more legible default fonts
-// [NOTE] Example below for Windows/Western only
-// user_pref("font.name.serif.x-unicode", "Georgia");
-// user_pref("font.name.serif.x-western", "Georgia"); // [DEFAULT: Times New Roman]
-// user_pref("font.name.sans-serif.x-unicode", "Arial");
-// user_pref("font.name.sans-serif.x-western", "Arial"); // [DEFAULT: Arial]
-// user_pref("font.name.monospace.x-unicode", "Lucida Console");
-// user_pref("font.name.monospace.x-western", "Lucida Console"); // [DEFAULT: Courier New]
+user_pref("font.name.serif.x-unicode", "Georgia");
+user_pref("font.name.serif.x-western", "Georgia"); // [DEFAULT: Times New Roman]
+user_pref("font.name.sans-serif.x-unicode", "Arial");
+user_pref("font.name.sans-serif.x-western", "Arial"); // [DEFAULT: Arial]
+user_pref("font.name.monospace.x-unicode", "Lucida Console");
+user_pref("font.name.monospace.x-western", "Lucida Console"); // [DEFAULT: Courier New]
 // -------------------------------------
 // Pref : Disable icon fonts (glyphs) and local fallback rendering
 // [NOTE] You can do this with uBlock Origin