From 6f41ffe02d83ccdfd3b4da72ee638141c1e4c8a1 Mon Sep 17 00:00:00 2001
From: "mr. m" <91018726+mr-cheffy@users.noreply.github.com>
Date: Mon, 25 May 2026 21:28:52 +0200
Subject: [PATCH] gh-13853: Fixed sidebar flickering on private windows
 (gh-13855)

---
 prefs/firefox/browser.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/prefs/firefox/browser.yaml b/prefs/firefox/browser.yaml
index 23db6a4e4..341577cac 100644
--- a/prefs/firefox/browser.yaml
+++ b/prefs/firefox/browser.yaml
@@ -87,6 +87,10 @@
   value: false
   locked: true
 
+# See gh-13853 for details on why we should disable this preference
+- name: browser.privatebrowsing.resetPBM.enabled
+  value: false
+
 # See gh-12985 for details on the following preferences
 - name: browser.search.widget.new
   value: true