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Pull requests list

Experimental feature gate proposal crabi S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team
#105586 opened Dec 12, 2022 by joshtriplett Loading…
@nikomatsakis
112 😕 7
Set default value deny-warnings for compiler profile to false S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#124439 opened Apr 27, 2024 by WaffleLapkin Loading…
@albertlarsan68
21 😕 3
Remove -Zoom=panic A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#147725 opened Oct 15, 2025 by bjorn3 Loading…
2
@Amanieu
16 😕 1
Update x.ps1 S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#147350 opened Oct 4, 2025 by xyrar Loading…
@Mark-Simulacrum
3 😕 1
Opportunistically split != to successfully parse never type 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. needs-fcp This change is insta-stable, or significant enough to need a team FCP to proceed. P-lang-drag-1 Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang relnotes Marks issues that should be documented in the release notes of the next release. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-lang Relevant to the language team to-announce Announce this issue on triage meeting
#145536 opened Aug 17, 2025 by fmease Loading…
@petrochenkov
15 😕 1
Track diagnostic attributes pre proc macro expansion, prepend post expansion. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-clippy Relevant to the Clippy team. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#145914 opened Aug 27, 2025 by 2asoft • Draft
@petrochenkov
2 😕 1
Use multiple returns in MIR if it saves a block; still have only one in LLVM perf-regression Performance regression. 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.
#138144 opened Mar 7, 2025 by scottmcm • Draft
6
[experiment] dont init anything except x86 perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#136861 opened Feb 11, 2025 by klensy Loading…
9
turn creating 8dot3 names off for windows for speed A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. 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.
#133033 opened Nov 14, 2024 by klensy Loading…
92
[DO NOT MERGE] build Enzyme as archive A-testsuite Area: The testsuite used to check the correctness of rustc F-autodiff `#![feature(autodiff)]` perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue.
#140799 opened May 8, 2025 by ZuseZ4 Loading…
21
Crater 2024 edition C-crater Category: Issue for tracking crater runs S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132712 opened Nov 6, 2024 by ehuss Loading…
@ehuss
26
[experimental, do not merge!] a faster implementation of Polonius and a more compact DenseBitSet implementation A-compiletest Area: The compiletest test runner A-testsuite Area: The testsuite used to check the correctness of rustc perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141583 opened May 26, 2025 by tage64 • Draft
12
Lazy-chunk Symbol interner perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#136401 opened Feb 1, 2025 by Mark-Simulacrum • Draft
45
rustdoc: Also run lint unused_doc_comments perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#141000 opened May 14, 2025 by fmease • Draft
@notriddle
9
[perf] Fast path for coercions of TY == TY T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#142973 opened Jun 24, 2025 by compiler-errors • Draft
18
arbitrary_self_type: insert implied Receiver bound on Deref F-arbitrary_self_types `#![feature(arbitrary_self_types)]` S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#138952 opened Mar 25, 2025 by dingxiangfei2009 Loading…
@nikomatsakis
18
Swap Lru from std::sync::Arc to triomphe::Arc A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-testsuite Area: The testsuite used to check the correctness of rustc perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#131629 opened Oct 12, 2024 by GnomedDev • Draft
8
Restrict parse_maybe_literal_minus S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#129289 opened Aug 20, 2024 by nnethercote Loading…
@petrochenkov
15
Vec::resize for bytes should be a single memset perf-regression Performance regression. 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.
#120050 opened Jan 17, 2024 by scottmcm • Draft
@m-ou-se
29
Check for occupied niches perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#121174 opened Feb 16, 2024 by saethlin • Draft
34
Attempt to use the high part of the size_hint in collect (again) S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#137908 opened Mar 3, 2025 by scottmcm Loading…
@cuviper
18
[crater] Only consider predicate non-global if binder vars are in PREDICATE binder perf-regression Performance regression. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140209 opened Apr 23, 2025 by compiler-errors • Draft
@lcnr
43
[CRATER] probe fallout of dyn overlap S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#140824 opened May 8, 2025 by compiler-errors • Draft
@lcnr
13
change unsatisfiable trivial bounds detection needs-fcp This change is insta-stable, or significant enough to need a team FCP to proceed. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140313 opened Apr 25, 2025 by lcnr Loading…
1
@compiler-errors
10
Move coercion hack from coerce_unsized to check_cast S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138542 opened Mar 15, 2025 by compiler-errors Loading…
@lcnr
13
ProTip! What’s not been updated in a month: updated:<2025-09-16.