Commit 2ca22599 authored by Ben Gamari's avatar Ben Gamari 🐢

Update ANNOUNCE

parent 90a819b7
===============================================
The Glasgow Haskell Compiler -- version 8.0.1
The Glasgow Haskell Compiler -- version 8.2.2
===============================================
The GHC Team is pleased to announce a new super-major release of GHC. This is
the most significant GHC release in quite some time, including both a number
of major features and numerous bug fixes. These include,
The GHC Team is pleased to announce a new minor release of GHC. This release
builds on the performance and stability improvements of 8.2.1, fixing a variety
of correctness bugs, improving error messages, and making the compiler more
portable.
* The TypeInType extension, which unifies types and kinds, allowing GHC
to reason about kind equality and enabling promotion of GADTs to the type
level.
Notable bug-fixes include
* Support for record pattern synonyms
* A correctness issue resulting in segmentation faults in some
FFI-users (#13707, #14346)
* The -XDeriveAnyClass extension learned to derive instances for classes with
associated types
* A correctness issue resulting in undefined behavior in some programs
using STM (#14171)
* More reliable DWARF debugging information
* A bug which may have manifested in segmentation faults in
out-of-memory condition (#14329)
* Support for injective type families
* clearBit of Natural no longer bottoms (#13203)
* Applicative do-notation
* A specialisation bug resulting in exponential blowup of compilation
time in some specialisation-intensive programs (#14379)
* Support for wildcards in data and type family instances
* ghc-pkg now works even in environments with misconfigured NFS mounts
(#13945)
* Strict and StrictData extensions, allowing modules to be compiled with
strict-by-default bindings
* GHC again supports production of position-independent executables
(#13702)
* The DuplicateRecordFields extensions, allowing multiple datatypes to declare
the same record field names provided they are used unambiguously
* Better error messages around kind mismatches (#11198, #12373, #13530,
#13610)
* Support for implicit parameters providing light-weight callstacks and source
locations
* User-defined error messages for type errors
* A rewritten (and greatly improved) pattern exhaustiveness checker
* GHCi can run the interpreter in a separate process, and the interpreter can
now run profiled code
* A native code generator for powerpc64 and powerpc64le architectures
* and more!
A more thorough list of the changes in the release can be found in the release
A thorough list of the changes in the release can be found in the release
notes,
http://haskell.org/ghc/docs/8.0.1/html/users_guide/release-8-0-1.html
https://haskell.org/ghc/docs/8.2.2/html/users_guide/8.2.2-notes.html
How to get it
~~~~~~~~~~~~~
The easy way is to go to the web page, which should be self-explanatory:
This release can be downloaded from
https://www.haskell.org/ghc/download_ghc_8_2_2.html
http://www.haskell.org/ghc/
For older versions see
We supply binary builds in the native package format for many
platforms, and the source distribution is available from the same
place.
https://www.haskell.org/ghc/
Packages will appear as they are built - if the package for your
system isn't available yet, please try again later.
We supply binary builds in the native package format for many platforms, and the
source distribution is available from the same place.
Background
~~~~~~~~~~
Haskell is a standard lazy functional programming language.
Haskell is a standardized lazy functional programming language.
GHC is a state-of-the-art programming suite for Haskell. Included is
an optimising compiler generating efficient code for a variety of
platforms, together with an interactive system for convenient, quick
development. The distribution includes space and time profiling
facilities, a large collection of libraries, and support for various
language extensions, including concurrency, exceptions, and foreign
language interfaces. GHC is distributed under a BSD-style open source license.
GHC is a state-of-the-art programming suite for Haskell. Included is an
optimising compiler generating efficient code for a variety of platforms,
together with an interactive system for convenient, quick development. The
distribution includes space and time profiling facilities, a large collection of
libraries, and support for various language extensions, including concurrency,
exceptions, and foreign language interfaces. GHC is distributed under a
BSD-style open source license.
A wide variety of Haskell related resources (tutorials, libraries,
specifications, documentation, compilers, interpreters, references,
contact information, links to research groups) are available from the
Haskell home page (see below).
specifications, documentation, compilers, interpreters, references, contact
information, links to research groups) are available from the Haskell home page
(see below).
On-line GHC-related resources
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Relevant URLs on the World-Wide Web:
Relevant URLs:
GHC home page http://www.haskell.org/ghc/
GHC developers' home page http://ghc.haskell.org/trac/ghc/
Haskell home page http://www.haskell.org/
GHC home page https://www.haskell.org/ghc/
GHC developers' home page https://ghc.haskell.org/trac/ghc/
Haskell home page https://www.haskell.org/
Supported Platforms
~~~~~~~~~~~~~~~~~~~
The list of platforms we support, and the people responsible for them,
is here:
The list of platforms we support, and the people responsible for them, is here:
http://ghc.haskell.org/trac/ghc/wiki/Contributors
https://ghc.haskell.org/trac/ghc/wiki/TeamGHC
Ports to other platforms are possible with varying degrees of
difficulty. The Building Guide describes how to go about porting to a
new platform:
Ports to other platforms are possible with varying degrees of difficulty. The
Building Guide describes how to go about porting to a new platform:
http://ghc.haskell.org/trac/ghc/wiki/Building
https://ghc.haskell.org/trac/ghc/wiki/Building
Developers
~~~~~~~~~~
We welcome new contributors. Instructions on accessing our source
code repository, and getting started with hacking on GHC, are
available from the GHC's developer's site run by Trac:
We welcome new contributors. Instructions on accessing our source code
repository, and getting started with hacking on GHC, are available from the
GHC's developer's site:
http://ghc.haskell.org/trac/ghc/
https://ghc.haskell.org/trac/ghc/
Mailing lists
~~~~~~~~~~~~~
We run mailing lists for GHC users and bug reports; to subscribe, use
the web interfaces at
We run mailing lists for GHC users and bug reports; to subscribe, use the web
interfaces at
http://mail.haskell.org/cgi-bin/mailman/listinfo/glasgow-haskell-users
http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-tickets
https://mail.haskell.org/cgi-bin/mailman/listinfo/glasgow-haskell-users
https://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-tickets
There are several other haskell and ghc-related mailing lists on
www.haskell.org; for the full list, see
https://mail.haskell.org/cgi-bin/mailman/listinfo
Some GHC developers hang out on #haskell on IRC, too:
Many GHC developers hang out on #haskell on IRC:
http://www.haskell.org/haskellwiki/IRC_channel
https://www.haskell.org/haskellwiki/IRC_channel
Please report bugs using our bug tracking system. Instructions on
reporting bugs can be found here:
Please report bugs using our bug tracking system. Instructions on reporting bugs
can be found here:
http://www.haskell.org/ghc/reportabug
https://www.haskell.org/ghc/reportabug
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