Use of (<$>) without importing Applicative implies base >= 4.8.0.0
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runKleisli commented
Graphics.UI.GLFW uses (<$>)
without importing Applicative. This causes compilation of GLFW-b >= 1.4.8.0 to fail with base <= 4.7.0.2, from before Monad was a subclass of Applicative:
https://hackage.haskell.org/package/base-4.7.0.2/docs/Prelude.html#t:Monad