KConfig *config = KConfigGui::sessionConfig();
saveGlobalProperties(config);
savePropertiesInternal(config, 1);
+ KConfigGroup group = config->group(QStringLiteral("Number"));
+ group.writeEntry("NumberOfWindows", 1); // Makes session restore aware that there is a window to restore.
auto future = QtConcurrent::run([config]() {
config->sync();