[ANNOUNCE] GHC 8.2.1 release candidate 1

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[ANNOUNCE] GHC 8.2.1 release candidate 1

Ben Gamari-3

Hello everyone,

The GHC team is very pleased to announce the first candidate of the
8.2.1 release of the Glasgow Haskell Compiler. Source and binary
distributions are available at

    https://downloads.haskell.org/~ghc/8.2.1-rc1/

This is the first of a few release candidates leading up the final 8.2.1
release. This release will feature,

  * A new type-indexed Typeable implementation

  * The long awaited Backpack

  * Deriving strategies for disambiguating DeriveAnyClass,
    GeneralizedNewtypeDeriving, and stock mechanisms

  * Overloaded record fields

  * Improved compiler performance

  * Better code generation through more robust tracking of join points

  * Compact regions for more efficient garbage collection and serialization

  * Better support for machines with non-uniform memory architectures

  * More robust support for levity (e.g. RuntimeRep) polymorphism

  * A simple interface for streaming eventlog data from live processes

  * Further refinement of DWARF support

Unfortunately there are still a few known issues in this release,
including a few compiler panics (#13233, #13509) and a memory leak in
the simplifier (#13426) which may adversely affect heap sizes and
compilation time for some modules. This memory leak unfortunately made
it impossible to provide a 32-bit Windows distribution for this
candidate; this will be resolved in -rc2.

As always, please let us know if you have difficulty. Thanks to everyone
who has contributed to this release!

Happy testing,

- Ben


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[ANNOUNCE] GHC 8.2.2 release candidate 1

Ben Gamari-3

Hello everyone,

The GHC team is very pleased to announce the first candidate of the
8.2.2 release of the Glasgow Haskell Compiler. Source and binary
distributions are available at

    https://downloads.haskell.org/~ghc/8.2.2-rc1/

Currently there is a slightly reduced set of binary distributions
available; do let me know if there is a missing platform you would like
to see built.

This is the first of two release candidates leading up the final 8.2.2
release. This release fixes approximately fifty bugs present in 8.2.1.
See [1] for the full list.

As always, please report any issues you encounter.

Happy testing,

- Ben


[1] https://ghc.haskell.org/trac/ghc/query?status=closed&milestone=8.2.2&col=id&col=summary&col=status&col=type&col=priority&col=milestone&col=component&order=priority

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Re: [ANNOUNCE] GHC 8.2.2 release candidate 1

Ben Gamari-3
Takenobu Tani <[hidden email]> writes:

> Hi Ben, devs,
>
> Thanks for your hard work!
>
> Could you also include the following commits?
> These are about user's guide.
>
>   * https://phabricator.haskell.org/D3850
>   * https://phabricator.haskell.org/D3852
>
Of course, thanks!

Cheers,

- Ben

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