Comment # 11 on bug 931172 from Jiri Slaby

Given it crashes on .value here:
    uint qt_version =
(uint)metaData.value(QLatin1String("version")).toDouble();
I believe it is fixed in:
  https://codereview.qt-project.org/#/c/74794/
and further (this is not the only instance of qtmetadata in the core lib.