Comment # 1 on bug 67166 from Patrick Ohly

(In reply to comment #0)
> syncevolution-kde 1.3.99.4
> 
> 
> sync-ui
> Fontconfig warning: "/etc/fonts/conf.d/20-mdv-CJK-dualwidth.conf",
>  line 17: Having multiple values in <test> isn't supported and may not works
> as expected

This warning comes from a library used by the GTK UI (fontconfig) and refers to
a file outside of the GTK UI (/etc/fonts/conf.d/20-mdv-CJK-dualwidth.conf). In
other words, the issue (if there is one at all - this is merely a warning) is
not in SyncEvolution.