I just downgraded qt5 packages on my laptop from 5.5.1+dfsg-14ubuntu2 to 5.5.1+dfsg-14ubuntu1 (no other packages were touched), and the issue goes away.
I just downgraded qt5 packages on my laptop from 5.5.1+dfsg- 14ubuntu2 to 5.5.1+dfsg- 14ubuntu1 (no other packages were touched), and the issue goes away.