Comment 6 for bug 1578853

I am no longer experiencing this bug and have not experienced it for at least months, and likely longer, possibly since late 2016. As far as I am concerned, this bug report can be closed as resolved.

For me this bug was resolved by only applying the regular Ubuntu updates to my system, without upgrading to a newer release. I don't know if the problem was fixed in Firefox, because of newer video device drivers, or something else.

Thanks for the follow up and all that you do to support Ubuntu and Firefox.