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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.

proposed-final-comment-periodProposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off.Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off.

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

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