Deriving via in Haskell [OT]

For the people that have missed it, the Haskell tribe wants to increase the power of their "deriving":

https://github.com/Icelandjack/ghc-proposals/blob/239cfc8ef532db95f15ea392e073061f04273d8e/proposals/0000-deriving-via.rst

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Just an update: the proposal has been accepted, and GHC 8.6.1 will include this feature. The first alpha with this feature released just yesterday.

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