wings has broken dependencies in the F-21 tree: On x86_64: wings-1.5.2-2.fc21.x86_64 requires erlang(erl_drv_version) = 0:2.2 On i386: wings-1.5.2-2.fc21.i686 requires erlang(erl_drv_version) = 0:2.2 On armhfp: wings-1.5.2-2.fc21.armv7hl requires erlang(erl_drv_version) = 0:2.2 Please resolve this as soon as possible.