I guess this may be caused by package "unclutter" (which I do have installed):
https://forum.kde.org/viewtopic.php?f=111&t=117704&start=15 https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1234470
I will try running it with '-noevents' and if that does not fix the issue, I'll try living without it and seeing if that fixes the problem.
I guess this may be caused by package "unclutter" (which I do have installed):
https:/ /forum. kde.org/ viewtopic. php?f=111& t=117704& start=15 /bugs.launchpad .net/ubuntu/ +source/ firefox/ +bug/1234470
https:/
I will try running it with '-noevents' and if that does not fix the issue, I'll try living without it and seeing if that fixes the problem.