It ended up to be a Qt problem (check [0], [1]). Can you please reassign it to Qt package team?
Thanks! BogDan. [0] https://bugreports.qt.io/browse/QTBUG-45755 [1] https://codereview.qt-project.org/#/c/111427 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org