qtubuntu-desktop-dbgsym 0.64+17.04.20170404-0ubuntu1 (amd64 binary) in ubuntu artful

 QtUbuntu is a set of Qt5 components for the Ubuntu Platform API. It contains a
 QPA (Qt Platform Abstraction) plugin based on the Ubuntu Platform API and a
 legacy QPA plugin based on the compatibility layers. It also provides Qt
 bindings for Ubuntu Platform API features that are not exposed through the QPA
 plugins.
 .
 This variant of the package is for GNU-based desktops.