Bug#749336: closed by Lisandro Damián Nicanor Pérez Meyer <lisandro@debian.org> (Bug#749336: fixed in qttools-opensource-src 5.3.0-4)
Only libqwebview.so and libqquickwidget.so should be moved from
qttools5-examples.
Other designer's plugins are from examples and should remain in examples
package.
Reply to: