I believe that's the reason that haskell platform is waiting, and I think arch should wait a couple of weeks too... On Sat, Nov 19, 2011 at 3:54 PM, Bernardo Barros <bernardobarros2@xxxxxxxxx> wrote: > "This 7.2.2 release is intended to be more of a "technology preview" > than normal GHC stable branches. In particular, it supports a > significantly improved version of DPH, as well as new features such as > compiler plugins and "safe Haskell". The design of these new features > may evolve as we get more experience with them. " > > http://www.haskell.org/ghc/download_ghc_7_2_2 >