There have been deprecation warnings (since 7.8?) about the AMP: https://wiki.haskell.org/Functor-Applicative-Monad_Proposal#Applying_the_AMP_to_GHC_and_then_H

There have been deprecation warnings (since 7.8?) about the AMP: https://wiki.haskell.org/Functor-Applicative-Monad_Proposal#Applying_the_AMP_to_GHC_and_then_Haskell_in_practice https://wiki.haskell.org/Functor-Applicative-Monad_Proposal#... There's a list of breakage at: https://www.fpcomplete.com/blog/2015/03/stackage-ghc-7-10 https://www.fpcomplete.com/blog/2015/03/stackage-ghc-7-10 (I'm not sure what portion of that is due to AMP.)