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f*::min/max do not behave as documented for signaling NaN on aarch64

A-floating-pointArea: Floating point numbers and arithmeticArea: Floating point numbers and arithmetic

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

C-bugCategory: This is a bug.Category: This is a bug.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149537 In rust-lang/rust;

· RalfJung opened on Dec 2, 2025

Tracking issue for release notes of #146792: Implement <code>TryFrom&lt;char&gt;</code> for <code>usize</code>.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

relnotesMarks issues that should be documented in the release notes of the next release.Marks 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.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149491 In rust-lang/rust;

· rustbot opened on Nov 30, 2025

Edition 2027: Consider replacing <code>std::sync::Mutex</code> and other locks with <code>std::sync::nonpoison</code> versions

A-maybe-future-editionSomething we may consider for a future edition.Something we may consider for a future edition.

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

I-libs-api-nominatedNominated for discussion during a libs-api team meeting.Nominated for discussion during a libs-api team meeting.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149359 In rust-lang/rust;

· tgross35 opened on Nov 26, 2025

Tracking Issue for constifying x86 intrinsics in stdarch

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149298 In rust-lang/rust;

· sayantn opened on Nov 25, 2025

<code>impl Deref for &amp;Extern</code> shouldn't be allowed

C-bugCategory: This is a bug.Category: This is a bug.

F-extern_types`#![feature(extern_types)]``#![feature(extern_types)]`

F-sized_hierarchy`#![feature(sized_hierarchy)]``#![feature(sized_hierarchy)]`

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

Status: Open.

#149231 In rust-lang/rust;

· theemathas opened on Nov 23, 2025

Tracking Issue for <code>option_reference_flattening</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149221 In rust-lang/rust;

· Coca162 opened on Nov 22, 2025

Tracking Issue for <code>#![feature(ptr_cast_slice)]</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149103 In rust-lang/rust;

· Paladynee opened on Nov 19, 2025

Tracking Issue for <code>clone_from_ref</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149075 In rust-lang/rust;

· zachs18 opened on Nov 19, 2025

Introduce a interfaces to expose the current <code>Command</code> captured env var logic

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149070 In rust-lang/rust;

· schneems opened on Nov 18, 2025

Tracking Issue for <code>uint_gather_scatter_bits</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149069 In rust-lang/rust;

· okaneco opened on Nov 18, 2025

Tracking Issue for <code>SystemTime::MIN</code> and <code>SystemTime::MAX</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149067 In rust-lang/rust;

· cvengler opened on Nov 18, 2025

Tracking Issue for adding <code>partial_sort_unstable</code> to <code>[T]</code>

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#149046 In rust-lang/rust;

· tisonkun opened on Nov 18, 2025