[Haskell-cafe] [ANNOUNCE] GHC 8.2.2 released

[Ben Gamari]

           ===============================================
            The Glasgow Haskell Compiler -- version 8.2.2
           ===============================================

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.

Notable bug-fixes include

 * A correctness issue resulting in segmentation faults in some
   FFI-users (#13707, #14346)

 * A correctness issue resulting in undefined behavior in some programs
   using STM (#14171)

 * A bug which may have manifested in segmentation faults in
   out-of-memory condition (#14329)

 * clearBit of Natural no longer bottoms (#13203)

 * A specialisation bug resulting in exponential blowup of compilation
   time in some specialisation-intensive programs (#14379)

 * ghc-pkg now works even in environments with misconfigured NFS mounts
   (#13945)

 * GHC again supports production of position-independent executables
   (#13702)

 * Better error messages around kind mismatches (#11198, #12373, #13530,
   #13610)

A thorough list of the changes in the release can be found in the release
notes,

    https://haskell.org/ghc/docs/8.2.2/html/users_guide/release-8-2-2.html


How to get it
~~~~~~~~~~~~~

This release can be downloaded from

    https://www.haskell.org/ghc/download_ghc_8_2_2.html

For older versions see

    https://www.haskell.org/ghc/

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 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.

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).


On-line GHC-related resources
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Relevant URLs on the World-Wide Web:

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:

    https://ghc.haskell.org/trac/ghc/wiki/Contributors

Ports to other platforms are possible with varying degrees of difficulty. The
Building Guide describes how to go about porting to a new platform:

    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:

    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

    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

Many GHC developers hang out on #haskell on IRC:

    https://www.haskell.org/haskellwiki/IRC_channel

Please report bugs using our bug tracking system. Instructions on reporting bugs
can be found here:

    https://www.haskell.org/ghc/reportabug


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