Rust Versions
#
- Stable: 1.90.0
- Beta: 1.91.0 (30 October, 2025, 22 days left)
- Nightly: 1.92.0 (11 December, 2025, 64 days left)
Ongoing Stabilization PRs
#
Stabilise rotate_left and rotate_right in [_] as const fn items. (17 days old)
- T-libs-api - Relevant to the library API team, which will review and decide on the PR/issue.
- 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 #146841
Stabilize stack-protector (29 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 (37 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.
- T-libs - Relevant to the library team, which will review and decide on the PR/issue.
Open PR #146099
Stabilize vec_deque_pop_if (40 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.
Open PR #145992
Stabilize -Zno-jump-tables into -Cjump-tables=bool (40 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.
- 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.
- needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
- S-waiting-on-t-compiler - Status: Awaiting decision from T-compiler
Open PR #145974
stabilize extern_system_varargs (41 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.
- 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.
- I-lang-radar - Items that are on lang’s radar and will need eventual work or consideration.
Open PR #145954
Stabilize 29 RISC-V target features (riscv_ratified_v2) (41 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.
- 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.
- O-riscv - Target: RISC-V architecture
- I-lang-nominated - Nominated for discussion during a lang team meeting.
- 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
Open PR #145948
Stabilize fmt::from_fn (42 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-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 #145915
Stabilize s390x vector target feature and is_s390x_feature_detected! macro (49 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.
- 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.
- O-SystemZ - Target: SystemZ processors (s390x)
- 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.
- 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
Open PR #145656
Stabilize char_max_len (50 days old)
- 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.
- 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.
Open PR #145610
Stabilize rwlock_downgrade library feature (101 days old)
- 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.
- disposition-merge - This issue / PR is in PFCP or FCP with a disposition to merge it.
- S-waiting-on-fcp - Status: PR is in FCP and is awaiting for FCP to complete.
Open PR #143191
Stabilize -Cmin-function-alignment (109 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 (119 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) (128 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 #[cfg(version(...))], take 2 (131 days old)
- T-lang - Relevant to the language team
- 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.
- needs-fcp - This change is insta-stable, or significant enough to need a team FCP to proceed.
- 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 #141766
Stabilize if let guards (feature(if_let_guard)) (141 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
- T-lang - Relevant to the language team
- T-bootstrap - Relevant to the bootstrap subteam: Rust’s build system (x.py and src/bootstrap)
- S-waiting-on-author - Status: This is awaiting some action (such as code changes or more information) from the author.
- T-infra - Relevant to the infrastructure 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.
- 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.
- 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
- WG-trait-system-refactor - The Rustc Trait System Refactor Initiative (-Znext-solver)
- A-tidy - Area: The tidy tool
- S-waiting-on-documentation - Status: Waiting on approved PRs to documentation before merging
- 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.
- S-waiting-on-t-lang - Status: Awaiting decision from T-lang
Open PR #141295
Stabilize substr_range and related methods (141 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 (167 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 (180 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 return type notation (RFC 3654) (209 days old)
- T-lang - Relevant to the language team
- 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.
- 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.
Open PR #138424
Stabilize assert_matches and move it to core::macros (227 days old)
- T-libs-api - Relevant to the library API 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 #137487
Stabilize derive(CoercePointee) (308 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) (610 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
#