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Tracking Issue for <code>str::trim_prefix</code>, <code>str::trim_suffix</code>, <code>slice::trim_prefix</code> and <code>slice::trim_suffix</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-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and 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.

#142312 In rust-lang/rust;

· deven opened on Jun 10, 2025

Tracking Issue for const {OsString, PathBuf}::new

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

disposition-mergeThis issue / PR is in PFCP or FCP with a disposition to merge it.This issue / PR is in PFCP or FCP with a disposition to merge it.

final-comment-periodIn the final comment period and will be merged soon unless new substantive objections are raised.In the final comment period and will be merged soon unless new substantive objections are raised.

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and 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.

#141520 In rust-lang/rust;

· cyrgani opened on May 24, 2025

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

A-exhaustiveness-checkingRelating to exhaustiveness / usefulness checking of patternsRelating to exhaustiveness / usefulness checking of patterns

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.

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

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

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#89554 In rust-lang/rust;

· Nadrieril opened on Oct 5, 2021

Tracking Issue for <code>#[track_caller]</code> on closures

A-closuresArea: Closures (`|…| { … }`)Area: Closures (`|…| { … }`)

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

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

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#87417 In rust-lang/rust;

· Aaron1011 opened on Jul 23, 2021

Tracking Issue for "More Qualified Paths"

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

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

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

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#86935 In rust-lang/rust;

· rylev opened on Jul 7, 2021

Tracking issue for deprecation lint <code>legacy_derive_helpers</code>

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-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

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-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

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.

#79202 In rust-lang/rust;

· petrochenkov opened on Nov 19, 2020

Tracking issue for target_feature 1.1 RFC

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

B-RFC-implementedBlocker: Approved by a merged RFC and implemented but not stabilized.Blocker: Approved by a merged RFC and implemented but not stabilized.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

F-target_feature_11target feature 1.1 RFCtarget feature 1.1 RFC

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#69098 In rust-lang/rust;

· nikomatsakis opened on Feb 12, 2020

Tracking issue for RFC 2523, <code>#[cfg(accessible(::path::to::thing))]</code>

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

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

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

S-tracking-impl-incompleteStatus: The implementation is incomplete.Status: The implementation is incomplete.

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#64797 In rust-lang/rust;

· Centril opened on Sep 26, 2019

Tracking issue for RFC 2137: Support defining C-compatible variadic functions in Rust (c_variadic)

A-FFIArea: Foreign function interface (FFI)Area: Foreign function interface (FFI)

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

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

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#44930 In rust-lang/rust;

· aturon opened on Sep 29, 2017

Tracking issue for oom=panic (RFC 2116)

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

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

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

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

S-tracking-ready-to-stabilizeStatus: This is ready to stabilize; it may need a stabilization report and a PRStatus: This is ready to stabilize; it may need a stabilization report and a PR

T-langRelevant to the language teamRelevant to the language team

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.

#43596 In rust-lang/rust;

· Gankra opened on Aug 1, 2017