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Tracking issue for release notes of #163572: Update the minimum external LLVM to 22 #163620

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Tracking issue for release notes of #163572: Update the minimum external LLVM to 22#163620
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A-CIArea: Our Github Actions CIA-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.A-testsuiteArea: The testsuite used to check the correctness of rustcF-explicit_tail_calls`#![feature(explicit_tail_calls)]`T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.relnotesMarks issues that should be documented in the release notes of the next release.relnotes-tracking-issueMarks issues tracking what text to put in release notes.
Milestone
1.101.0

Description

@rustbot
rustbot
opened on Oct 1, 2026

This issue tracks the release notes text for #163572.

cc @cuviper, @nikic -- 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 APIs and Const Stabilized APIs?
# Compatibility Notes
- [Update the minimum external LLVM to 22](https://github.com/rust-lang/rust/pull/163572)

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
  1. rustbot
    added 
    A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
     
    A-testsuiteArea: The testsuite used to check the correctness of rustc
     
    T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.
     
    relnotesMarks issues that should be documented in the release notes of the next release.
     
    T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
     
    T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.
     
    F-explicit_tail_calls`#![feature(explicit_tail_calls)]`
     
    A-CIArea: Our Github Actions CI
     
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
     
    relnotes-tracking-issueMarks issues tracking what text to put in release notes.
     
    relnotes-needs-reviewMarks release notes tracking issues which have not had their contents updated by a maintainer.
     on Oct 1, 2026
  2. cuviper
    removed 
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
     
    relnotes-needs-reviewMarks release notes tracking issues which have not had their contents updated by a maintainer.
     on Oct 1, 2026
  3. rustbot
    added this to the  1.101.0 milestone on Oct 3, 2026
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    A-CIArea: Our Github Actions CIA-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.A-testsuiteArea: The testsuite used to check the correctness of rustcF-explicit_tail_calls`#![feature(explicit_tail_calls)]`T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.relnotesMarks issues that should be documented in the release notes of the next release.relnotes-tracking-issueMarks issues tracking what text to put in release notes.
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