Haskell
The Fedora Haskell SIG has been busy updating Haskell packages and our Packaging Guidelines. The new guidelines and [1] now make it very easy to package Haskell Cabal packages for Fedora.
For Fedora 11 the various packages have been updated to new versions including ghc-6.10.1, darcs-2.2.0, ghc-gtk2hs-0.10.0. Newly added packages include cpphs, ghc-HTTP, ghc-paths, ghc-zlib.
There is also a new #fedora-haskell IRC channel on Freenode for discussion.