Re: [Haskell-cafe] [ANNOUNCE] GHC 9.8.1-alpha2 is now available

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Thanks Ben.

For the sake of the future announcements, the first item should have
s/TypeApplications/TypeApplications/


On Thu, 10 Aug 2023 at 17:09, Ben Gamari <[email protected]> wrote:

>
> The GHC developers are very pleased to announce the availability of the
> second alpha prerelease of GHC 9.8.1. Binary distributions, source
> distributions, and documentation are available at
>
>                https://downloads.haskell.org/ghc/9.8.1-alpha2
>
> GHC 9.8 will bring a number of new features and improvements, including:
>
>  * Preliminary support the `TypeApplications` language extension
> [type-binders],
>    allowing types to be bound in type declarations.
>
>  * 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].
> This alpha includes around two dozen bug-fixes relative to alpha 1.
>
> 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.
>
> As always, do give this release a try and open a [ticket] if you see
> anything amiss.
>
> Happy compiling,
>
> ~ Ben
>
>
> [type-binders]:
> 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/0425-decl-invis-binders.rst%5Bextended-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/0541-warning-pragmas-with-categories.rst%5Bdeprecated-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-alpha2/docs/users_guide/9.8.1-notes.html
> [ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new
> _______________________________________________
> Haskell-Cafe mailing list
> To (un)subscribe, modify options or view archives go to:
> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
> Only members subscribed via the mailman list are allowed to post.



-- 
Arnaud Spiwack
Director, Research at https://moduscreate.com and https://tweag.io.

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<div dir=3D"ltr"><div>Thanks Ben.</div><div><br></div><div>For the sake of =
the future announcements, the first item should have s/TypeApplications/Typ=
eApplications/</div><div><br></div></div><br><div class=3D"gmail_quote"><di=
v dir=3D"ltr" class=3D"gmail_attr">On Thu, 10 Aug 2023 at 17:09, Ben Gamari=
 &lt;<a href=3D"mailto:[email protected]" target=3D"_blank">ben@well-typed=
.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1=
ex"><br>
The GHC developers are very pleased to announce the availability of the<br>
second alpha prerelease of GHC 9.8.1. Binary distributions, source<br>
distributions, and documentation are available at<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0<a href=3D"https://d=
ownloads.haskell.org/ghc/9.8.1-alpha2" rel=3D"noreferrer" target=3D"_blank"=
>https://downloads.haskell.org/ghc/9.8.1-alpha2</a><br>
<br>
GHC 9.8 will bring a number of new features and improvements, including:<br=
>
<br>
=C2=A0* Preliminary support the `TypeApplications` language extension [type=
-binders],<br>
=C2=A0 =C2=A0allowing types to be bound in type declarations.<br>
<br>
=C2=A0* Support for the `ExtendedLiterals` extension, providing syntax for<=
br>
=C2=A0 =C2=A0non-word-sized numeric literals in the surface language<br>
=C2=A0 =C2=A0[extended-literals]<br>
<br>
=C2=A0* Improved rewrite rule matching behavior, allowing limited matching =
of<br>
=C2=A0 =C2=A0higher-order patterns<br>
<br>
=C2=A0* Better support for user-defined warnings by way of the `WARNING` pr=
agma [warnings]<br>
<br>
=C2=A0* The introduction of the new `GHC.TypeError.Unsatisfiable`<br>
=C2=A0 =C2=A0constraint, allowing more predictable user-defined type errors=
 [unsatisfiable]<br>
<br>
=C2=A0* Implementation of the export deprecation proposal, allowing module<=
br>
=C2=A0 =C2=A0exports to be marked with `DEPRECATE` pragmas [deprecated-expo=
rts]<br>
<br>
=C2=A0* The addition of build semaphore support for parallel compilation;<b=
r>
=C2=A0 =C2=A0with coming support in `cabal-install` this will allow better =
use of<br>
=C2=A0 =C2=A0parallelism in multi-package builds [jsem]<br>
<br>
=C2=A0* More efficient representation of info table provenance information,=
<br>
=C2=A0 =C2=A0reducing binary sizes by over 50% in some cases when<br>
=C2=A0 =C2=A0`-finfo-table-map` is in use<br>
<br>
A full accounting of changes can be found in the [release notes].<br>
This alpha includes around two dozen bug-fixes relative to alpha 1.<br>
<br>
We would like to thank GitHub, IOG, the Zw3rk stake pool,<br>
Well-Typed, Tweag I/O, Serokell, Equinix, SimSpace, the Haskell<br>
Foundation, and other anonymous contributors whose on-going financial<br>
and in-kind support has facilitated GHC maintenance and release<br>
management over the years. Finally, this release would not have been<br>
possible without the hundreds of open-source contributors whose work<br>
comprise this release.<br>
<br>
As always, do give this release a try and open a [ticket] if you see<br>
anything amiss.<br>
<br>
Happy compiling,<br>
<br>
~ Ben<br>
<br>
<br>
[type-binders]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/b=
lob/master/proposals/0425-decl-invis-binders.rst%5Bextended-literals" rel=
=3D"noreferrer" target=3D"_blank">https://github.com/ghc-proposals/ghc-prop=
osals/blob/master/proposals/0425-decl-invis-binders.rst<br>
[extended-literals</a>]: <a href=3D"https://github.com/ghc-proposals/ghc-pr=
oposals/blob/master/proposals/0451-sized-literals.rst" rel=3D"noreferrer" t=
arget=3D"_blank">https://github.com/ghc-proposals/ghc-proposals/blob/master=
/proposals/0451-sized-literals.rst</a><br>
[unsatisfiable]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/=
blob/master/proposals/0433-unsatisfiable.rst" rel=3D"noreferrer" target=3D"=
_blank">https://github.com/ghc-proposals/ghc-proposals/blob/master/proposal=
s/0433-unsatisfiable.rst</a><br>
[warnings]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/blob/=
master/proposals/0541-warning-pragmas-with-categories.rst%5Bdeprecated-expo=
rts" rel=3D"noreferrer" target=3D"_blank">https://github.com/ghc-proposals/=
ghc-proposals/blob/master/proposals/0541-warning-pragmas-with-categories.rs=
t<br>
[deprecated-exports</a>]: <a href=3D"https://github.com/ghc-proposals/ghc-p=
roposals/blob/master/proposals/0134-deprecating-exports-proposal.rst" rel=
=3D"noreferrer" target=3D"_blank">https://github.com/ghc-proposals/ghc-prop=
osals/blob/master/proposals/0134-deprecating-exports-proposal.rst</a><br>
[jsem]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/blob/mast=
er/proposals/0540-jsem.rst" rel=3D"noreferrer" target=3D"_blank">https://gi=
thub.com/ghc-proposals/ghc-proposals/blob/master/proposals/0540-jsem.rst</a=
><br>
[release notes]: <a href=3D"https://downloads.haskell.org/ghc/9.8.1-alpha2/=
docs/users_guide/9.8.1-notes.html" rel=3D"noreferrer" target=3D"_blank">htt=
ps://downloads.haskell.org/ghc/9.8.1-alpha2/docs/users_guide/9.8.1-notes.ht=
ml</a><br>
[ticket]: <a href=3D"https://gitlab.haskell.org/ghc/ghc/-/issues/new" rel=
=3D"noreferrer" target=3D"_blank">https://gitlab.haskell.org/ghc/ghc/-/issu=
es/new</a><br>
_______________________________________________<br>
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To (un)subscribe, modify options or view archives go to:<br>
<a href=3D"http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe" r=
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/listinfo/haskell-cafe</a><br>
Only members subscribed via the mailman list are allowed to post.</blockquo=
te></div><br clear=3D"all"><br><span class=3D"gmail_signature_prefix">-- </=
span><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr">Arnaud=
 Spiwack<br>Director, Research at <a href=3D"https://moduscreate.com" rel=
=3D"noopener noreferrer" target=3D"_blank">https://moduscreate.com</a> and =
<a href=3D"https://tweag.io" rel=3D"noopener noreferrer" target=3D"_blank">=
https://tweag.io</a>.</div></div>

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