A potential problem with 2.11.94 is that it is actually a devel snapshot for 2.12 (https://www.freedesktop.org/wiki/Software/fontconfig/Devel/), so there may be some new bugs (e.g. fd.o 94427) lying around, and similar efforts may be needed to bump fc@16.04 to 2.12.0 when 2.12 is out...
A potential problem with 2.11.94 is that it is actually a devel snapshot for 2.12 (https:/ /www.freedeskto p.org/wiki/ Software/ fontconfig/ Devel/), so there may be some new bugs (e.g. fd.o 94427) lying around, and similar efforts may be needed to bump fc@16.04 to 2.12.0 when 2.12 is out...