hello, i am a fedora packager ldc compiler and tango will be go in official fedora repo. People who want learn or advanced programmer can use Fedora for develop D application.
i put here a temporary link to béta src.rpm: http://bioinfornatics.fedorapeople.org/
if a mandriva or suse packager want adapt and push to official repo (follow changelog ;-) )

ldc is in official repo
tango review is near to be done
derelict start review today