27th February 2017, 12:00
Did you update to the latest mozilla-kde-support package ?
Can you try starting with a clean firefox profile and see if it works better.
You can start ff with to open up the profile manager which allows you to create a new profile and allows switching the default profile.
Can you try starting with a clean firefox profile and see if it works better.
You can start ff with
Code:
firefox -ProfileManager