[Haskell-cafe] [ANNOUNCE] GHC 9.2.1-rc1 now available
david.feuer at gmail.com
Mon Aug 23 00:14:01 UTC 2021
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
> 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
> * Support for profiling of pinned objects with the cost-centre profiler
> * 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
> [ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new
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