diff --git a/librewolf.cfg b/librewolf.cfg
index fbac0c0..796657f 100644
--- a/librewolf.cfg
+++ b/librewolf.cfg
@@ -616,6 +616,11 @@ lockPref("browser.newtabpage.activity-stream.asrouter.providers.snippets", "");
 // %STARTPAGE_VERSION%/%NAME%/%VERSION%/%APPBUILDID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%
 // /%DISTRIBUTION%/%DISTRIBUTION_VERSION%/\",\"updateCycleInMs\":14400000}
 
+lockPref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
+lockPref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
+
+lockPref("browser.messaging-system.whatsNewPanel.enabled", false);
+
 // Pref :
 lockPref("browser.onboarding.notification.tour-ids-queue", "");