[ANNOUNCE] GHC 8.6.1-beta1 available

[Vassil Ognyanov Keremidchiev]

Great news!

What are the new features there toward Dependent Typed Haskell?
На сб, 11.08.2018 г., 5:31 Ben Gamari <ben at well-typed.com> написа:

>
> Hello everyone,
>
> The GHC development team is very pleased to announce the first beta
> leading up to GHC 8.6.1 release. The usual release artifacts are
> available from
>
>     https://downloads.haskell.org/~ghc/8.6.1-beta1
>
> This beta fixes most of the bugs reported in the first two alphas and
> brings all of the core libraries up to their final release versions.
>
> The 8.6 release fixes over 300 bugs from the 8.4 series and introduces a
> number of exciting features. These most notably include:
>
>  * Significantly better handling of macOS linker command size limits,
>    avoiding linker errors while linking large projects
>
>  * A new deriving mechanism, `deriving via`, providing a convenient way
>    for users to extend Haskell's typeclass deriving mechanism
>
>  * Quantified constraints, allowing forall quantification in contexts
>
>  * An early version of the GHCi `:doc` command
>
>  * The `ghc-heap-view` package, allowing introspection into the
>    structure of GHC's heap
>
>  * Valid hole fit hints, helping the user to find terms to fill typed
>    holes in their programs
>
>  * The BlockArguments extension, allowing the `$` operator to be omitted
>    in some unambiguous contexts
>
>  * The next phase of the MonadFail proposal, enabling
>    -XMonadFailDesugaring by default
>
> A full list of the changes in this release can be found in the
> release notes:
>
>
> https://downloads.haskell.org/~ghc/8.6.1-beta1/docs/html/users_guide/8.6.1-notes.html
>
> This will very likely be the last release before the final 8.6.1 so do
> give it a thorough testing and, as always, report any issues you
> encounter. Thanks for your help!
>
> Cheers,
>
> - Ben
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>
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