From 90d38b7313e69c5c49eff9b9aa44fffcff080438 Mon Sep 17 00:00:00 2001
From: Megamouse <studienricky89@googlemail.com>
Date: Wed, 3 Dec 2025 20:50:59 +0100
Subject: [PATCH] Qt/macOS: Fix GUI freezes on Qt 6.8+

---
 rpcs3/rpcs3.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rpcs3/rpcs3.cpp b/rpcs3/rpcs3.cpp
index f7efb7728b..e7257577dc 100644
--- a/rpcs3/rpcs3.cpp
+++ b/rpcs3/rpcs3.cpp
@@ -435,6 +435,9 @@ QCoreApplication* create_application(std::span<char* const> qt_argv)
 	{
 		qputenv("QT_AUTO_SCREEN_SCALE_FACTOR", "0");
 	}
+#elif __APPLE__
+	// set the QT_MTL_NO_TRANSACTION variable in order to prevent Qt GUI freeze
+	qputenv("QT_MTL_NO_TRANSACTION", "1");
 #endif
 
 	bool use_high_dpi = true;