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Tracking issue for release notes of #144066: stabilize c-style varargs for sysv64, win64, efiapi, aapcs #145167
Description
This issue tracks the release notes text for #144066.
cc @RalfJung, @workingjubilee -- original issue/PR authors and assignees for drafting text
See the forge.rust-lang.org chapter about release notes for an overview of how the release team makes use of these tracking issues.
Release notes text
This section should be edited to specify the correct category(s) for the change, with succinct description(s) of what changed. Some things worth considering:
- Does this need an additional compat notes section?
- Was this a libs stabilization that should have additional headers to list new APIs under
Stabilized APIsandConst Stabilized APIs?
# Language
- [Stabilize declaration of c-style variadic functions for sysv64, win64, efiapi, and aapcs ABIs](https://github.com/rust-lang/rust/pull/144066). This brings these ABIs in line with the C ABI: variadic functions can be declared in extern blocks but not defined.Tip
Use the previous releases for inspiration on how to write the release notes text and which categories to pick.
Release blog section
If this change is notable enough for inclusion in the blog post then this section should be edited to contain a draft for the blog post. Otherwise leave it empty.
Note
If a blog post section is required the release-blog-post label should be added (@rustbot label +release-blog-post) to this issue as otherwise it may be missed by the release team.
Activity
lolbinarycat commentedon Aug 18, 2025
Unsure if this goes under language or compiler.
RalfJung commentedon Aug 18, 2025
We did a t-lang FCP so I think it's Language.
[-]Tracking issue for release notes of #144066: stabilize c-style varargs for system, sysv64, win64, efiapi, aapcs[/-][+]Tracking issue for release notes of #144066: stabilize c-style varargs for sysv64, win64, efiapi, aapcs[/+]