From 3914d33968d25a159b294c9145507baa65ae5917 Mon Sep 17 00:00:00 2001
From: TogiFerretFerret <riverdalecoder@outlook.com>
Date: Sun, 15 Feb 2026 13:44:38 -0500
Subject: [PATCH] chore: fix issue where transparent browsers have a
 forced-white sync, p=#12392

* chore: fix issue where transparent browsers have a forced-white sync background without breaking non-transparent browsers

* chore: fix linting issue
---
 src/zen/sessionstore/ZenWindowSync.sys.mjs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/zen/sessionstore/ZenWindowSync.sys.mjs b/src/zen/sessionstore/ZenWindowSync.sys.mjs
index 46f479b0d..325068840 100644
--- a/src/zen/sessionstore/ZenWindowSync.sys.mjs
+++ b/src/zen/sessionstore/ZenWindowSync.sys.mjs
@@ -798,6 +798,7 @@ class nsZenWindowSync {
           {
             fullScale: true,
             fullViewport: true,
+            backgroundColor: "transparent",
           }
         );