For some time, the fonts in my Ubuntu have not really been nice. In fact, in some places, they've been downright ugly, the www.newrelic.com website in particular, was virtually unreadable.
However, earlier today I had a message come up when I started sublime text from the command line and got a warning message like this:
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 9: reading configurations from ~/.fonts.conf is deprecated.
A little investigation reveals that this file on my system looks like this: