diff --git a/PKGBUILD b/PKGBUILD
index 3eaea13..174b5ec 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,7 +4,7 @@
 
 pkgname=firefox
 pkgver=113.0.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Standalone web browser from mozilla.org"
 url="https://www.mozilla.org/firefox/"
 arch=(x86_64)
@@ -203,6 +203,22 @@ pref("browser.shell.checkDefaultBrowser", false);
 
 // Don't disable extensions in the application directory
 pref("extensions.autoDisableScopes", 11);
+
+// Disable unreleased experimental changes
+pref("app.shield.optoutstudies.enabled", false);
+
+// Normandy allows Mozilla to change the default value
+// of a preference for a targeted set of users
+pref("app.normandy.enabled", false);
+
+// Disable ads on new tabs
+pref("browser.newtabpage.enabled", false);
+
+// Use a blank page on startup instead of one with ads
+pref("browser.startup.homepage", "about:blank");
+
+// Disable pop-up ads for Mozilla's VPN service
+pref("browser.vpn_promo.enabled", false);
 END
 
   local distini="$pkgdir/usr/lib/$pkgname/distribution/distribution.ini"