9.14 progress update

[Matthew Pickering]

Hi,

Thanks for the update Ben. Can you clarify the timeline now?

It seems that there is a plan to merge !10479 into the 9.14 branch.

https://gitlab.haskell.org/ghc/ghc/-/merge_requests/10479

!10479 appears to be a very significant patch which touches many
sensitive areas of the compiler. I believe regressions will be
reported due to this patch.

It also will be merged two months after the merge deadline for the
branch and the release schedule seems to have already slipped
significantly.

Therefore, I believe it would be prudent to delay merging this one
until the 9.16 release so that regressions can be discovered and fixed
before it is released to users.

Cheers,

Matt

On Tue, Aug 12, 2025 at 12:25 PM Andreas Klebinger via ghc-devs
<ghc-devs at haskell.org> wrote:
>
> I'm merely forwarding this from ghc-releases for those not following there:
>
> Hi all,
>
> A brief update on the GHC 9.14 release status. As noted last time, the
> release process has been held up by a few significant bodies of on-going
> work:
>
> - the upgrade of the Windows toolchain which has revealed a number of
>   linking issues,
>
> - enabling support for LLVM 20 (#26267), along with the resolution of
>   a few correctness issues which were uncovered in the process (#26109)
>
> - the resolution to #23109, a rather invasive correctness fix which we
>   want to ensure is adequately tested prior to the release,
>
> At this point we have resolved, or are close to resolving, all of these
> issues. We expect that #23109 will land today, with the resolution to
> #26109 hopefully landing shortly thereafter.
>
> One wrinkle here is a late request for a boot library bump (#26268)
> which has had a number of knock-on effects. We are still trying to
> land this in `master`; we tentatively plan to backport but given how
> the state of the release process we will not delay the release if things
> do not go smoothly.
>
> Once the above has happened we will backport to `ghc-9.14` and begin
> preparation of the first alpha release. This may happen as soon as
> Thursday.
>
> Cheers,
>
> - Ben
>
>
> _______________________________________________
> ghc-devs mailing list
> ghc-devs at haskell.org
> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs