[CentOS] Font related problems with recent FF 60.1

[James Pearson]

Kay Schenk wrote:
> 
> Hi and I think you are right on with this analysis. I suspect my
> fontconfig  utilty isn't working correctly to add new fonts or maybe
> Mozilla doesn't install in the right config area. When I start up FF
> 52.8, no error messages about fonts. The de-install seemed to correct
> this, among other things.

I doubt it is a problem with your fontconfig - I get the same issue ...

It is most likely because Firefox 60 uses a 'private' gtk3 runtime 
(which includes its own fontconfig set up) on el6 - as el6 uses gtk2 
natively

I've reported this problem at:

  https://bugzilla.redhat.com/show_bug.cgi?id=1601475

James Pearson