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Tracking issue for release notes of #75027: Tracking Issue for slice::array_windows

A-arrayArea: `[T; N]`Area: `[T; N]`

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-sliceArea: `[T]`Area: `[T]`

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

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.

#148386 In rust-lang/rust;

· rustbot opened on Nov 2, 2025

·  

1.94.0

Tracking issue for release notes of #63569: Tracking issue for <code>#![feature(maybe_uninit_slice)]</code>

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

A-sliceArea: `[T]`Area: `[T]`

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.

#148385 In rust-lang/rust;

· rustbot opened on Nov 2, 2025

Compiler doesn’t allow creating u8 slices when using const generics

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-repr-packedArea: the naughtiest reprArea: the naughtiest repr

A-sliceArea: `[T]`Area: `[T]`

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.

Status: Open.

#145376 In rust-lang/rust;

· gralpli opened on Aug 14, 2025

Conditional <code>char</code> counter not recognized as never-overflowing

A-sliceArea: `[T]`Area: `[T]`

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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.

Status: Open.

#143959 In rust-lang/rust;

· Rudxain opened on Jul 15, 2025

<code>RawVec</code> sets capacity incorrectly, causing potentially many bugs

A-allocatorsArea: Custom and system allocatorsArea: Custom and system allocators

A-collectionsArea: `std::collections`Area: `std::collections`

A-sliceArea: `[T]`Area: `[T]`

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

Status: Open.

#116580 In rust-lang/rust;

· jmaargh opened on Oct 9, 2023

Diagnostic for const with slice type should suggest converting to array type

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-sliceArea: `[T]`Area: `[T]`

D-lack-of-suggestionDiagnostics: Adding a (structured) suggestion would increase the quality of the diagnostic.Diagnostics: Adding a (structured) suggestion would increase the quality of the diagnostic.

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.

Status: Open.

#102390 In rust-lang/rust;

· jruderman opened on Sep 28, 2022

request: lint when raw pointer slicing implicitly creates a temporary reference

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

A-sliceArea: `[T]`Area: `[T]`

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

T-opsemRelevant to the opsem teamRelevant to the opsem team

Status: Open.

#99437 In rust-lang/rust;

· RalfJung opened on Jul 18, 2022

Tracking Issue for <code>*mut [T]::split_at_mut</code>

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

A-sliceArea: `[T]`Area: `[T]`

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.

#95595 In rust-lang/rust;

· the8472 opened on Apr 2, 2022

The assembly code generated by calling <code>&lt;[T]&gt;::sort_unstable_by</code> contains bounds checking code

A-codegenArea: Code generationArea: Code generation

A-sliceArea: `[T]`Area: `[T]`

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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

Status: Open.

#92958 In rust-lang/rust;

· EFanZh opened on Jan 16, 2022

MaybeUninit::fill_slice

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

A-sliceArea: `[T]`Area: `[T]`

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

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.

#91053 In rust-lang/rust;

· stepancheg opened on Nov 19, 2021

slice docs could use example functions, clear header

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

A-sliceArea: `[T]`Area: `[T]`

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

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.

#85950 In rust-lang/rust;

· workingjubilee opened on Jun 3, 2021

Use sort_unstable to sort primitive types

A-sliceArea: `[T]`Area: `[T]`

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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

Status: Open.

#80483 In rust-lang/rust;

· ChrisJefferson opened on Dec 29, 2020