diff --git a/browser_patches/firefox/BUILD_NUMBER b/browser_patches/firefox/BUILD_NUMBER
index 5208b59131..e445c3bb2a 100644
--- a/browser_patches/firefox/BUILD_NUMBER
+++ b/browser_patches/firefox/BUILD_NUMBER
@@ -1 +1 @@
-1029
+1030
diff --git a/browser_patches/firefox/preferences/playwright.cfg b/browser_patches/firefox/preferences/playwright.cfg
index 4e724051fd..6a56bee855 100644
--- a/browser_patches/firefox/preferences/playwright.cfg
+++ b/browser_patches/firefox/preferences/playwright.cfg
@@ -22,6 +22,9 @@ pref("browser.newtabpage.enabled", false);
 // Do not redirect user when a milstone upgrade of Firefox is detected
 pref("browser.startup.homepage_override.mstone", "ignore");
 
+pref("browser.tabs.remote.separateFileUriProcess", false);
+pref("security.sandbox.content.level", 2);
+
 // Disable topstories
 pref("browser.newtabpage.activity-stream.feeds.section.topstories", false);
 // DevTools JSONViewer sometimes fails to load dependencies with its require.js.