[ANNOUNCE] GHC 8.2.1 release candidate 2

[Ryan Scott]

Alberto,

> I've manage to reproduce the CK bug without any external dependencies and
> opened a ticket with an attached module that fails to compile with
> 8.2.1-rc2 (w/o explicit KindSignature) but compiles fine with 8.0.2.

Thanks for doing this!

> Will hopefully follow up soon with the Cabal issues I'm experiencing

One thing that might be useful to do is to invoke Cabal with high verbosity
(e.g., -v3) and post the logs somewhere. I wouldn't be surprised if Nix was
passing some uncommonly used flags that have regressed in recent versions
of Cabal.

Ryan S.
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