There isn't a soname change and abipkgdiff doesn't show anything particular interesting, but for posterity potential impacted packages are:

# dnf repoquery --quiet --whatrequires "libyaml-cpp.so.0.6()(64bit)" --qf "%{name}" | uniq | sort
calamares-libs
daggy
dcm2niix
facter
fawkes-core
fawkes-lua
fawkes-plugin-navgraph
librime
mir-server-libs
OpenColorIO
pdns-backend-geoip
thinkfan
yaml-cpp-devel

Thanks,

Richard