From aa4aae9e26a3d132a02a013d133e24127616ce36 Mon Sep 17 00:00:00 2001
From: "Mr. M" <mr.m@tuta.com>
Date: Wed, 11 Feb 2026 23:46:59 +0100
Subject: [PATCH] feat: Dont restore content to unsynced windows, b=no-bug,
 c=no-component

---
 .../sessionstore/SessionStore-sys-mjs.patch           | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/browser/components/sessionstore/SessionStore-sys-mjs.patch b/src/browser/components/sessionstore/SessionStore-sys-mjs.patch
index 6284b2dc1..075d984f7 100644
--- a/src/browser/components/sessionstore/SessionStore-sys-mjs.patch
+++ b/src/browser/components/sessionstore/SessionStore-sys-mjs.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/components/sessionstore/SessionStore.sys.mjs b/browser/components/sessionstore/SessionStore.sys.mjs
-index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2061ef7ac60371a563b4e4cd77ceab586f767a5e 100644
+index 2a055f0c5f34f0a2667f659185120c07d38f4e41..f52b8ddecf31e258ca33bbaf3483951d2b804210 100644
 --- a/browser/components/sessionstore/SessionStore.sys.mjs
 +++ b/browser/components/sessionstore/SessionStore.sys.mjs
 @@ -127,6 +127,9 @@ const TAB_EVENTS = [
@@ -63,6 +63,15 @@ index 2a055f0c5f34f0a2667f659185120c07d38f4e41..2061ef7ac60371a563b4e4cd77ceab58
  
      // perform additional initialization when the first window is loading
      if (lazy.RunState.isStopped) {
+@@ -2088,7 +2097,7 @@ var SessionStoreInternal = {
+         // to disk to NOW() to enforce a full interval before the next write.
+         lazy.SessionSaver.updateLastSaveTime();
+ 
+-        if (isPrivateWindow || isTaskbarTab) {
++        if (isPrivateWindow || isTaskbarTab || aWindow.document.documentElement.hasAttribute("zen-unsynced-window")) {
+           this._log.debug(
+             "initializeWindow, the window is private or a web app. Saving SessionStartup.state for possibly restoring later"
+           );
 @@ -2131,6 +2140,7 @@ var SessionStoreInternal = {
            null,
            "sessionstore-one-or-no-tab-restored"