[Haskell] [ANNOUNCE] GHC 9.2.7 released

Zubin Duggal zubin at well-typed.com
Mon Feb 27 14:37:11 UTC 2023

The GHC developers are happy to announce the availability of GHC 9.2.7. Binary
distributions, source distributions, and documentation are available at

Download Page: https://www.haskell.org/ghc/download_ghc_9_2_7.html
Blog Post: https://www.haskell.org/ghc/blog/20230227-ghc-9.2.7-released.html

This release is primarily a bugfix release addressing a few issues
found in 9.2.6. These include:

  * A fix for a bug with the RTS linker being unable to resolve the `setKeepCafs`
    symbol which started being used by the GHC library in 9.2.6, resulting in
    code depending on this symbol failing to load in GHCi or via a compile time
    splice when using a statically linked GHC, such as on Windows (#22961).
  * A fix a bug with the alignment of RTS data structures that could result in
    segfaults when compiled with high optimisation settings on certain platforms
    (#22975 , #22965).
  * A fix for a bug in the simplifier related to placeholder values (rubbish
    literals) emitted by the worker/wrapper optimisation leading to -dcore-lint
    errors and compiler panics in certain cases (#19882, #22914, #23000).
  * Easier installation of binary distribution on MacOS platforms by changing the
    installation Makefile to remove the quarantine attribute when installing.
  * ... and a few more. See the [release notes] for a full accounting.

As some of the fixed issues do affect correctness users are encouraged to
upgrade promptly.

We would like to thank Microsoft Azure, GitHub, IOG, the Zw3rk stake pool,
Well-Typed, Tweag I/O, Serokell, Equinix, SimSpace, 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,

- Zubin

[ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new
[release notes]: https://downloads.haskell.org/~ghc/9.2.7/docs/html/users_guide/9.2.7-notes.html
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