Rust Versions

Rust Versions #

  • Stable: 1.93.0
  • Beta: 1.94.0 (5 March, 2026, 32 days left)
  • Nightly: 1.95.0 (16 April, 2026, 74 days left)

Ongoing Stabilization PRs #

Stabilize str_as_str (8 days old)
  • S-waiting-on-author - Status: This is awaiting some action (such as code changes or more information) from the author.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.

Open PR #151603

Stabilize core::hint::cold_path (8 days old)
  • T-lang - Relevant to the language team
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • final-comment-period - In the final comment period and will be merged soon unless new substantive objections are raised.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.

Open PR #151576

Stabilize VecDeque::truncate_front (13 days old)
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • S-waiting-on-fcp - Status: PR is in FCP and is awaiting for FCP to complete.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.

Open PR #151379

Stabilize -Zdebuginfo-compression as -Cdebuginfo-compression (30 days old)
  • A-LLVM - Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • A-run-make - Area: port run-make Makefiles to rmake.rs
  • A-rust-for-linux - Relevant for the Rust-for-Linux project

Open PR #150625

Stabilize new inclusive range type and iterator type (33 days old)
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-waiting-on-author - Status: This is awaiting some action (such as code changes or more information) from the author.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.

Open PR #150522

Stabilize doc_cfg feature (47 days old)
  • T-rustdoc - Relevant to the rustdoc team, which will review and decide on the PR/issue.
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • S-blocked - Status: Blocked on something else such as an RFC or other implementation work.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.
  • F-doc_cfg - #![feature(doc_cfg)]
  • T-rustdoc-frontend - Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

Open PR #150055

stabilize cfg_select! (55 days old)
  • A-attributes - Area: Attributes (#[…], #![…])
  • T-lang - Relevant to the language team
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.
  • I-lang-nominated - Nominated for discussion during a lang team meeting.
  • A-run-make - Area: port run-make Makefiles to rmake.rs
  • S-waiting-on-concerns - Status: Awaiting concerns to be addressed by the author
  • P-lang-drag-1 - Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang
  • F-cfg_select - #![feature(cfg_select)]

Open PR #149783

Stabilize the supertrait_item_shadowing feature (87 days old)
  • T-lang - Relevant to the language team
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • proposed-final-comment-period - Proposed to merge/close by relevant subteam, see T- label. Will enter FCP once signed off.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • I-lang-nominated - Nominated for discussion during a lang team meeting.
  • T-types - Relevant to the types team, which will review and decide on the PR/issue.
  • S-waiting-on-documentation - Status: Waiting on approved PRs to documentation before merging
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.
  • P-lang-drag-1 - Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang
  • A-compiler-builtins - Area: compiler-builtins (https://github.com/rust-lang/compiler-builtins)
  • S-waiting-on-t-lang - Status: Awaiting decision from T-lang

Open PR #148605

Stabilize atomic_try_updateand deprecate fetch_update starting 1.99.0 (87 days old)
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.

Open PR #148590

Stabilize Frontmatter (101 days old)
  • T-lang - Relevant to the language team
  • final-comment-period - In the final comment period and will be merged soon unless new substantive objections are raised.
  • relnotes - Marks issues that should be documented in the release notes of the next release.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • T-style - Relevant to the style team, which will review and decide on the PR/issue.
  • S-waiting-on-documentation - Status: Waiting on approved PRs to documentation before merging
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.
  • F-frontmatter - #![feature(frontmatter)]

Open PR #148051

Stabilize stack-protector (145 days old)
  • A-LLVM - Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • T-bootstrap - Relevant to the bootstrap subteam: Rust’s build system (x.py and src/bootstrap)
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • proposed-final-comment-period - Proposed to merge/close by relevant subteam, see T- label. Will enter FCP once signed off.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • PG-exploit-mitigations - Project group: Exploit mitigations

Open PR #146369

Stabilize debug_closure_helpers (153 days old)
  • T-rustdoc - Relevant to the rustdoc team, which will review and decide on the PR/issue.
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-blocked - Status: Blocked on something else such as an RFC or other implementation work.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.

Open PR #146099

Stabilize -Cmin-function-alignment (225 days old)
  • A-LLVM - Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
  • A-attributes - Area: Attributes (#[…], #![…])
  • T-lang - Relevant to the language team
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-blocked - Status: Blocked on something else such as an RFC or other implementation work.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • S-waiting-on-concerns - Status: Awaiting concerns to be addressed by the author
  • S-waiting-on-documentation - Status: Waiting on approved PRs to documentation before merging

Open PR #142824

Stabilize the breakpoint function (235 days old)
  • T-lang - Relevant to the language team
  • proposed-final-comment-period - Proposed to merge/close by relevant subteam, see T- label. Will enter FCP once signed off.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • I-lang-nominated - Nominated for discussion during a lang team meeting.
  • P-lang-drag-4 - Lang team prioritization drag level 4. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang
  • S-waiting-on-t-lang - Status: Awaiting decision from T-lang

Open PR #142325

Stabilize feature(more_qualified_paths) (244 days old)
  • T-lang - Relevant to the language team
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-blocked - Status: Blocked on something else such as an RFC or other implementation work.

Open PR #141922

Stabilize if let guards (feature(if_let_guard)) (257 days old)
  • A-LLVM - Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
  • A-testsuite - Area: The testsuite used to check the correctness of rustc
  • A-attributes - Area: Attributes (#[…], #![…])
  • T-lang - Relevant to the language team
  • final-comment-period - In the final comment period and will be merged soon unless new substantive objections are raised.
  • T-bootstrap - Relevant to the bootstrap subteam: Rust’s build system (x.py and src/bootstrap)
  • T-infra - Relevant to the infrastructure team, which will review and decide on the PR/issue.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • A-meta - Area: Issues & PRs about the rust-lang/rust repository itself
  • I-lang-nominated - Nominated for discussion during a lang team meeting.
  • WG-trait-system-refactor - The Rustc Trait System Refactor Initiative (-Znext-solver)
  • A-tidy - Area: The tidy tool
  • A-rustc-dev-guide - Area: rustc-dev-guide
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.
  • P-lang-drag-1 - Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang
  • T-clippy - Relevant to the Clippy team.

Open PR #141295

Stabilize substr_range and related methods (257 days old)
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • T-libs - Relevant to the library team, which will review and decide on the PR/issue.

Open PR #141266

Stabilize fn_align: #[align(N)] on functions (283 days old)
  • A-LLVM - Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
  • A-attributes - Area: Attributes (#[…], #![…])
  • T-lang - Relevant to the language team
  • T-compiler - Relevant to the compiler team, which will review and decide on the PR/issue.
  • S-blocked - Status: Blocked on something else such as an RFC or other implementation work.
  • F-fn_align - #![feature(fn_align)]
  • S-waiting-on-documentation - Status: Waiting on approved PRs to documentation before merging
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.

Open PR #140261

Stabilize offset_of_slice (296 days old)
  • T-lang - Relevant to the language team
  • S-waiting-on-author - Status: This is awaiting some action (such as code changes or more information) from the author.
  • needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.

Open PR #139673

Stabilize assert_matches (343 days old)
  • A-LLVM - Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
  • T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
  • final-comment-period - In the final comment period and will be merged soon unless new substantive objections are raised.
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • A-query-system - Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html)
  • WG-trait-system-refactor - The Rustc Trait System Refactor Initiative (-Znext-solver)
  • T-clippy - Relevant to the Clippy team.

Open PR #137487

Stabilize derive(CoercePointee) (425 days old)
  • T-lang - Relevant to the language team
  • S-waiting-on-review - Status: Awaiting review from the assignee but also interested parties.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • finished-final-comment-period - The final comment period is finished for this PR / Issue.
  • I-types-nominated - Nominated for discussion during a types team meeting.
  • T-types - Relevant to the types team, which will review and decide on the PR/issue.
  • F-derive_coerce_pointee - Feature: RFC 3621’s oft-renamed implementation
  • I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.

Open PR #133820

Stabilize associated type position impl Trait (ATPIT) (726 days old)
  • T-lang - Relevant to the language team
  • A-impl-trait - Area: impl Trait. Universally / existentially quantified anonymous types with static dispatch.
  • proposed-final-comment-period - Proposed to merge/close by relevant subteam, see T- label. Will enter FCP once signed off.
  • S-blocked - Status: Blocked on something else such as an RFC or other implementation work.
  • disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
  • T-types - Relevant to the types team, which will review and decide on the PR/issue.
  • F-impl_trait_in_assoc_type - #![feature(impl_trait_in_assoc_type)]
  • S-waiting-on-concerns - Status: Awaiting concerns to be addressed by the author

Open PR #120700

About releases.rs #