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December 2022

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2 discussions

Will there be a GHC 9.2.6?
by Clinton Mead 28 Dec '22

28 Dec '22

Hi All I just noticed Haskell Language Server (HLS) 1.9 has been released, which supports GHC 9.2.5. My organisation is currently using GHC 9.2.2 and I don't see any immediate need to jump to GHC 9.4, it would be good to settle on the latest most stable version of the GHC 9.2 series as it includes all the features we need at the moment. Also I understand that HLS tends to have long term(ish) support for the latest GHC in a release series. I'd rather not do this upgrade twice so I was just wondering whether it has been decided or not whether there will be a 9.2.6 release (if this is still unknown that's okay). I did notice this page: https://gitlab.haskell.org/ghc/ghc/-/milestones/385 but was unsure whether this page was autogenerated or a deliberate indication that there will be a GHC 9.2.6 at some point. (I understand one can do source builds of HLS for non-supported versions but I'd prefer to just allow developers to use an off the shelf HLS plugin for their favoured editor along with a HLS pin in Nix). Thanks, Clinton

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[ANNOUNCE] GHC 9.4.4 is now available
by Ben Gamari 25 Dec '22

25 Dec '22

The GHC developers are happy to announce the availability of GHC 9.4.4. Binary distributions, source distributions, and documentation are available at downloads.haskell.org [1]. This release is primarily a bugfix release. Bugs fixed include: * An issue where the wrong labels were used in the eventlog for events emitted when using info table profiling which was broken in 9.4.3 (#22452) * Fix a long standing bug where invalid eventlogs would be produced with long command-lines (#20221) * Fix a regression in eta-expansion which resulted in serious performance regressions in 9.4.3 (#22424) * Fix the `-fdefer-diagnostics` flag (#22391) * Fixes to several subtle compiler panics (#22491, #22416, #22549, #22475, #22039) * Add necessary write barriers to `IORef` operations, avoiding potential soundness issues on architectures with weakly-ordered memory models (#22468) Note that, as GHC 9.4 is the first release series where the release artifacts are all generated by our new Hadrian build system, it is possible that there will be packaging issues. If you enounter trouble while using a binary distribution, please open a [ticket]. Likewise, if you are a downstream packager, do consider migrating to [Hadrian] to run your build; the Hadrian build system can be built using `cabal-install`, `stack`, or the in-tree [bootstrap script]. See the accompanying [blog post] for details on migrating packaging to Hadrian. We would also like to emphasize that GHC 9.4 must be used in conjunction with Cabal-3.8 or later. This is particularly important for Windows users due to changes in GHC's Windows toolchain. 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 Haskelling, - Ben [1]: https://downloads.haskell.org/ghc/9.4.4 [ticket]: https://gitlab.haskell.org/ghc/ghc/-/issues/new [bootstrap script]: https://gitlab.haskell.org/ghc/ghc/-/blob/e2520df3fffa0cf22fb19c5fb872832d1… [Hadrian]: https://gitlab.haskell.org/ghc/ghc/-/blob/e2520df3fffa0cf22fb19c5fb872832d1… [blog post]: https://www.haskell.org/ghc/blog/20220805-make-to-hadrian.html

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