[Haskell-cafe] [ANNOUNCE] GHC 9.6.5 is now available

Zubin Duggal zubin at well-typed.com
Tue Apr 16 06:41:51 UTC 2024

The GHC developers are happy to announce the availability of GHC 9.6.5. Binary
distributions, source distributions, and documentation are available on the
[release page](https://www.haskell.org/ghc/download_ghc_9_6_5.html).

GHC Blog Post: 

This release is primarily a bugfix release addressing some issues
found in the 9.6 series. These include:

* Bumping the bundled `process` library to to avoid a potential
   [command injection vulnerability] on Windows for clients of this library. This isn't
   known to affect GHC itself, but allows users who depend on the installed
   version of the `process` to avoid the issue.
* Fixing a bug resulting in the distributed ``hsc2hs`` wrapper using flags from the
   compiler build environment (#24050).
* Disabling the `-fasm-shortcutting` optimisation with `-O2` as it is known
   to result in unsoundess and incorrect runtime results in some cases (#24507).
* Ensuring we take ``LDFLAGS`` into account when configuring a linker (#24565).
* Fixing a bug arising from incorrect parsing of paths containing spaces in the
   settings file (#24265).
* And many more fixes

A full accounting of changes can be found in the [release notes]. 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.



[ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new
[release notes]: https://downloads.haskell.org/~ghc/9.6.5/docs/users_guide/9.6.5-notes.html
[command injection vulnerability]: https://github.com/haskell/security-advisories/blob/main/advisories/hackage/process/HSEC-2024-0003.md
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