[Haskell-cafe] [ANNOUNCE] GHC 9.8.1 is now available
Kazu Yamamoto (=?iso-2022-jp?B?GyRCOzNLXE9CSScbKEI=?=)
kazu at iij.ad.jp
Thu Oct 12 03:07:58 UTC 2023
Hi,
# The destination is only to haskell-cafe.
Thank you for releasing GHC 9.8.1.
I realized that "unzip" conflicts if Data.List and Data.Functor are
imported.
If this is intentional, please tell me which "unzip" we should use.
--Kazu
> The GHC developers are very pleased to announce the availability of
> the
> final release of GHC 9.8.1. Binary distributions, source
> distributions, and documentation are available at
> downloads.haskell.org:
>
> https://downloads.haskell.org/ghc/9.8.1
>
> GHC 9.8 brings a number of new features and improvements, including:
>
> * Preliminary support the `TypeAbstractions` language extension,
> allowing types to be bound in type declarations
> [TypeAbstractions].
>
> * Support for the `ExtendedLiterals` extension, providing syntax
> for
> non-word-sized numeric literals in the surface language
> [extended-literals]
>
> * Improved rewrite rule matching behavior, allowing limited
> matching of
> higher-order patterns
>
> * Better support for user-defined warnings by way of the `WARNING`
> pragma [warnings]
>
> * The introduction of the new `GHC.TypeError.Unsatisfiable`
> constraint, allowing more predictable user-defined type errors
> [unsatisfiable]
>
> * Implementation of the export deprecation proposal, allowing
> module
> exports to be marked with `DEPRECATE` pragmas
> [deprecated-exports]
>
> * The addition of build semaphore support for parallel compilation;
> with coming support in `cabal-install` this will allow better
> use of
> parallelism in multi-package builds [jsem]
>
> * More efficient representation of info table provenance
> information,
> reducing binary sizes by over 50% in some cases when
> `-finfo-table-map` is in use
>
> A full accounting of changes can be found in the [release notes][].
> Plans for GHC's future releases can be found on the [GHC
> Wiki][status].
>
> We would like to thank GitHub, IOG, the Zw3rk stake pool,
> Well-Typed, Tweag I/O, Serokell, Equinix, SimSpace, the Haskell
> Foundation, and other anonymous contributors whose on-going
> financial
> and in-kind support has facilitated GHC maintenance and release
> management over the years. Finally, this release would not have been
> possible without the hundreds of open-source contributors whose work
> comprise this release.
>
> Happy compiling,
>
> ~ Ben
>
>
> [TypeAbstractions]:
> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0425-decl-invis-binders.rst
> [extended-literals]:
> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0451-sized-literals.rst
> [unsatisfiable]:
> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0433-unsatisfiable.rst
> [warnings]:
> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0541-warning-pragmas-with-categories.rst
> [deprecated-exports]:
> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0134-deprecating-exports-proposal.rst
> [jsem]:
> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0540-jsem.rst
> [release notes]:
> https://downloads.haskell.org/ghc/9.8.1/docs/users_guide/9.8.1-notes.html
> [status]: https://gitlab.haskell.org/ghc/ghc/-/wikis/GHC-status
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