Index: sources/utility/format.cpp
===================================================================
diff -u -r3e682c5afdadcf4dd2006e3d975fbee58e48619e -rc2f474ff07c98aa350c445a2474976a3cf985f40
--- sources/utility/format.cpp	(.../format.cpp)	(revision 3e682c5afdadcf4dd2006e3d975fbee58e48619e)
+++ sources/utility/format.cpp	(.../format.cpp)	(revision c2f474ff07c98aa350c445a2474976a3cf985f40)
@@ -78,7 +78,11 @@
 {
     QByteArray mData;
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     switch (static_cast<QMetaType::Type>(vData.typeId())) {
+#else
+    switch (static_cast<QMetaType::Type>(vData.type())) {
+#endif
     case QMetaType::QString:            // string
     {
         mData += vData.toByteArray();