[ANNOUNCE] GHC 9.2.1-rc1 now available

[David Feuer]

I mean GHC.Tuple, of course.

On Sun, Aug 22, 2021, 8:14 PM David Feuer <david.feuer at gmail.com> wrote:

> One more question: is Solo exported from Data.Tuple yet, or do we still
> have to depend on ghc-prim and import it from GHC.Magic? It would be really
> nice to have that fixed by release, and it's so tiny.
>
> On Sun, Aug 22, 2021, 6:01 PM Ben Gamari <ben at well-typed.com> wrote:
>
>>
>> Hi all,
>>
>> The GHC developers are very happy to announce the availability of the
>> release cadidate of the 9.2.1 release. Binary distributions, source
>> distributions, and documentation are available at
>>
>>      https://downloads.haskell.org/ghc/9.2.1-rc1
>>
>> GHC 9.2 will bring a number of exciting features including:
>>
>>  * A native code generation backend for AArch64, significantly speeding
>>    compilation time on ARM platforms like the Apple M1.
>>
>>  * Many changes in the area of records, including the new
>>    `RecordDotSyntax` and `NoFieldSelectors` language extensions, as well
>>    as Support for `DuplicateRecordFields` with `PatternSynonyms`.
>>
>>  * Introduction of the new `GHC2021` language extension set, giving
>>    users convenient access to a larger set of language extensions which
>>    have been long considered stable.
>>
>>  * Merge of `ghc-exactprint` into the GHC tree, providing infrastructure
>>    for source-to-source program rewriting out-of-the-box.
>>
>>  * Introduction of a `BoxedRep` `RuntimeRep`, allowing for polymorphism
>>    over levity of boxed objects (#17526)
>>
>>  * Implementation of the `UnliftedDataTypes` extension, allowing users
>>    to define types which do not admit lazy evaluation ([proposal])
>>
>>  * The new [-hi profiling] mechanism which provides significantly
>>    improved insight into thunk leaks.
>>
>>  * Support for the `ghc-debug` out-of-process heap inspection library
>>    [ghc-debug]
>>
>>  * Support for profiling of pinned objects with the cost-centre profiler
>>    (#7275)
>>
>>  * Introduction of Haddock documentation support in TemplateHaskell
>> (#5467)
>>
>> Finally, thank you to Microsoft Research, GitHub, IOHK, the Zw3rk stake
>> pool, Tweag I/O, Serokell, Equinix, SimSpace, and other anonymous
>> contributors whose on-going financial and in-kind support has
>> facilitated GHC maintenance and release management over the years.
>> Moreover, this release would not have been possible without the hundreds
>> of open-source contributors whose work comprise this release.
>>
>> As always, do give this release a try and open a [ticket] if you see
>> anything amiss.
>>
>> Happy testing,
>>
>> - Ben
>>
>>
>> [apple-m1]: https://www.haskell.org/ghc/blog/20210309-apple-m1-story.html
>> [proposal]:
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0265-unlifted-datatypes.rst
>> [-hi
>> <https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0265-unlifted-datatypes.rst%5B-hi>
>> profiling]:
>> https://well-typed.com/blog/2021/01/first-look-at-hi-profiling-mode/
>> [ghc-debug
>> <https://well-typed.com/blog/2021/01/first-look-at-hi-profiling-mode/%5Bghc-debug>]:
>> http://ghc.gitlab.haskell.org/ghc-debug/
>> [ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new
>>
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>>
>
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