I had this bug after the upgrade to 16.04 (Ubuntu Gnome), and the bug was happening every time and only with this application. I fixed it changing the input method from xim to ibus, maybe this can be useful to solve the issue.
I had this bug after the upgrade to 16.04 (Ubuntu Gnome), and the bug was happening every time and only with this application. I fixed it changing the input method from xim to ibus, maybe this can be useful to solve the issue.