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Issues: rust-lang/rust

Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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Issues list

Lang proposal: Allow #[cfg(...)] within asm! A-inline-assembly Area: Inline assembly (`asm!(…)`) C-feature-request Category: A feature request, i.e: not implemented / a PR. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#140279 opened Apr 25, 2025 by tgross35
19
Allow while let chains on all editions disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. needs-fcp This change is insta-stable, so needs a completed FCP to proceed. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-fcp Status: PR is in FCP and is awaiting for FCP to complete. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#140204 opened Apr 23, 2025 by est31 Loading…
@BoxyUwU
13
#[target_feature] mismatch on unsafe trait fn vs its impl causes sneaky UB C-bug Category: This is a bug. F-target_feature_11 target feature 1.1 RFC I-lang-radar Items that are on lang's radar and will need eventual work or consideration. I-prioritize Issue: Indicates that prioritization has been requested for this issue. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#139368 opened Apr 4, 2025 by obi1kenobi
20
Fallback {float} to f32 when f32: From<{float}> and add impl From<f16> for f32 disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. F-f16_and_f128 `#![feature(f16)]`, `#![feature(f128)]` 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. needs-fcp This change is insta-stable, so needs a completed FCP to proceed. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#139087 opened Mar 28, 2025 by beetrees Loading…
1
@lcnr
50
Add #[loop_match] for improved DFA codegen A-attributes Area: Attributes (`#[…]`, `#![…]`) I-lang-radar Items that are on lang's radar and will need eventual work or consideration. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138780 opened Mar 21, 2025 by folkertdev Loading…
@traviscross @Nadrieril
102
Original pin!() macro behavior cannot be expressed in Rust 2024 A-edition-2024 Area: The 2024 edition C-bug Category: This is a bug. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#138718 opened Mar 19, 2025 by m-ou-se
4
Stabilize return type notation (RFC 3654) disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-documentation Status: Waiting on approved PRs to documentation before merging S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#138424 opened Mar 12, 2025 by compiler-errors Loading…
1 of 4 tasks
40
Decide what we want about macro_metavar_expr C-discussion Category: Discussion or questions that doesn't represent real issues. F-macro_metavar_expr `#![feature(macro_metavar_expr)]` I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#137581 opened Feb 25, 2025 by traviscross
1
[WIP] Forbid object lifetime changing pointer casts I-lang-radar Items that are on lang's radar and will need eventual work or consideration. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#136776 opened Feb 9, 2025 by BoxyUwU • Draft
1
55
Arbitrary self types v2: stabilize A-rustdoc-json Area: Rustdoc JSON backend A-rustdoc-search Area: Rustdoc's search feature disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. PG-exploit-mitigations Project group: Exploit mitigations proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output. T-types Relevant to the types team, which will review and decide on the PR/issue.
#135881 opened Jan 22, 2025 by adetaylor Loading…
@wesleywiser
86
aarch64-softfloat: forbid enabling the neon target feature A-attributes Area: Attributes (`#[…]`, `#![…]`) disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. 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. S-waiting-on-team Status: Awaiting decision from the relevant subteam (see the T-<team> label). T-lang Relevant to the language team, which will review and decide on the PR/issue.
#135160 opened Jan 6, 2025 by RalfJung Loading…
1
@Noratrieb
25
Partially stabilize LoongArch target features A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. final-comment-period In the final comment period and will be merged soon unless new substantive objections are raised. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. O-loongarch Target: LoongArch (LA32R, LA32S, LA64) 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. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#135015 opened Jan 2, 2025 by heiher Loading…
@joshtriplett
32
Built-in attributes are treated differently vs prelude attributes, unstable built-in attributes can name-collide with stable macro, and built-in attributes can break back-compat A-attributes Area: Attributes (`#[…]`, `#![…]`) A-resolve Area: Name/path resolution done by `rustc_resolve` specifically A-stability Area: `#[stable]`, `#[unstable]` etc. C-discussion Category: Discussion or questions that doesn't represent real issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#134963 opened Dec 31, 2024 by jieyouxu
3
de-stabilize bench attribute 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-lang-radar Items that are on lang's radar and will need eventual work or consideration. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-lang Relevant to the language team, which will review and decide on the PR/issue. to-announce Announce this issue on triage meeting
#134273 opened Dec 13, 2024 by RalfJung Loading…
@ibraheemdev
25
Stabilize derive(CoercePointee) disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. 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. I-types-nominated Nominated for discussion during a types team meeting. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-concerns Status: Awaiting concerns to be addressed by the author S-waiting-on-fcp Status: PR is in FCP and is awaiting for FCP to complete. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#133820 opened Dec 3, 2024 by dingxiangfei2009 Loading…
@compiler-errors
69
Elided lifetime changes in rust_2018_idioms lint is very noisy and results in dramatically degraded APIs for Bevy A-edition-2018 Area: The 2018 edition A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-discussion Category: Discussion or questions that doesn't represent real issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. L-elided_lifetimes_in_paths Lint: elided_lifetimes_in_paths T-lang Relevant to the language team, which will review and decide on the PR/issue.
#131725 opened Oct 15, 2024 by alice-i-cecile
21
lexer: Treat more floats with empty exponent as valid tokens 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-lang-radar Items that are on lang's radar and will need eventual work or consideration. S-waiting-on-documentation Status: Waiting on approved PRs to documentation before merging S-waiting-on-team Status: Awaiting decision from the relevant subteam (see the T-<team> label). T-lang Relevant to the language team, which will review and decide on the PR/issue. to-announce Announce this issue on triage meeting
#131656 opened Oct 13, 2024 by richard-uk1 Loading…
@petrochenkov
78
Decide on name for Freeze C-discussion Category: Discussion or questions that doesn't represent real issues. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-bikeshed This item needs lang to commit to finishing a bikeshed. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#131401 opened Oct 8, 2024 by traviscross
25
Warn about C-style octal literals disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-team Status: Awaiting decision from the relevant subteam (see the T-<team> label). T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#131309 opened Oct 5, 2024 by GrigorenkoPV Loading…
1
@Urgau
53
Strengthen the follow-set rule for macros C-discussion Category: Discussion or questions that doesn't represent real issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#131025 opened Sep 29, 2024 by traviscross
2
Language vs. implementation threat models and implications for TypeId collision resistance C-discussion Category: Discussion or questions that doesn't represent real issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#129030 opened Aug 12, 2024 by the8472
42
Effective breakage to jiff due to ambiguous_negative_literals C-discussion Category: Discussion or questions that doesn't represent real issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#128287 opened Jul 27, 2024 by traviscross
10
Decide on path forward for attributes on expressions C-discussion Category: Discussion or questions that doesn't represent real issues. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. F-stmt_expr_attributes `#![feature(stmt_expr_attributes)]` I-lang-radar Items that are on lang's radar and will need eventual work or consideration. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#127436 opened Jul 6, 2024 by traviscross
20
Policy for lint expansions A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-discussion Category: Discussion or questions that doesn't represent real issues. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#122759 opened Mar 20, 2024 by tmandry
17
What are the guarantees around which constants (and callees) in a function get monomorphized? A-const-generics Area: const generics (parameters and arguments) C-discussion Category: Discussion or questions that doesn't represent real issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#122301 opened Mar 10, 2024 by the8472
17
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