Some patches were already merged for #1539 but now are cherry-picked from the 4.8 branch, while others are fresh backports from Qt5.
@@ -1 +1 @@
-Subproject commit ccffd0d9842e06ed1521fa669faec2c50e6bae71
+Subproject commit 2173492ccc5604bd7142953b64fe8c282c945314