I would say "sooner". Here are still unmerged things that I think we could merge before (i.e. easy to merge):

https://ghc.haskell.org/trac/ghc/ticket/9001
https://ghc.haskell.org/trac/ghc/ticket/9078
https://ghc.haskell.org/trac/ghc/ticket/8475
https://ghc.haskell.org/trac/ghc/ticket/8783
https://ghc.haskell.org/trac/ghc/ticket/9068