== GHC 7.8 ==
The GHC Haskell compiler has been updated to version 7.8 in Fedora 22.
Fedora packages have been updated and rebuilt with the new GHC version. User packages will require a rebuild as well, and may need code changes before they build with GHC 7.8.
For full release notes for GHC 7.8, describing all bug fixes and enhancements, see the GHC System User's Guide (https://downloads.haskell.org/~ghc/7.8.4/docs/html/users_guide/index.html). This document contains information about GHC 7.8.1 as well as several subsequent bug fix updates.