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Pull requests list

[PERF] try stringdex next version A-rustdoc-search Area: Rustdoc's search feature A-tidy Area: The tidy tool 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-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-rustdoc Relevant to the rustdoc 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.
#149472 opened Nov 30, 2025 by notriddle • Draft
20
Tidying up UI tests [6/N] A-tidy Area: The tidy tool 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) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#149443 opened Nov 29, 2025 by reddevilmidzy Loading…
@Kivooeo
14
tidy: Detect outdated workspaces in workspace list A-tidy Area: The tidy tool S-waiting-on-review Status: Awaiting review from the assignee but also interested parties.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)
#149417 opened Nov 28, 2025 by clubby789 Loading…
@Mark-Simulacrum
4
[PERF] update to specific stringdex rev A-tidy Area: The tidy tool 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-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#149356 opened Nov 26, 2025 by yotamofek • Draft
6
Make Wasm target features atomics and exception-handling target modifiers A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-run-make Area: port run-make Makefiles to rmake.rs A-rustdoc-json Area: Rustdoc JSON backend A-tidy Area: The tidy tool 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#148417 opened Nov 2, 2025 by daxpedda • Draft
@alexcrichton
10
parser/lexer: bump to Unicode 17, use faster unicode-ident A-tidy Area: The tidy tool A-Unicode Area: Unicode 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. 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-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-lang Relevant to the language team
#148321 opened Oct 31, 2025 by Marcondiro Loading…
@joshtriplett
35
replace box_new with lower-level intrinsics A-tidy Area: The tidy tool perf-regression Performance regression. 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) T-clippy Relevant to the Clippy team. 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.
#148190 opened Oct 27, 2025 by RalfJung Loading…
@SparrowLii
132
Remove box_new intrinsic A-rustc-dev-guide Area: rustc-dev-guide A-tidy Area: The tidy tool 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-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-clippy Relevant to the Clippy team. 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.
#147862 opened Oct 18, 2025 by cjgillot • Draft
25
[EXPERIMENT] Test 8-bit tags for hashbrown A-tidy Area: The tidy tool 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-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-libs Relevant to the library team, which will review and decide on the PR/issue.
#146909 opened Sep 22, 2025 by Amanieu • Draft
12
remove duplicated columns from rustc_error_code::error_codes! A-tidy Area: The tidy tool 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) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#146584 opened Sep 15, 2025 by cyrgani Loading…
@GuillaumeGomez
8
Add debuginfo_transparent attribute for structs A-attributes Area: Attributes (`#[…]`, `#![…]`) A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-tidy Area: The tidy tool S-waiting-on-t-lang Status: Awaiting decision from T-lang T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-lang Relevant to the language team
#144223 opened Jul 20, 2025 by bjorn3 Loading…
@petrochenkov
19
[WIP] Structural inititalization A-tidy Area: The tidy tool 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#143625 opened Jul 8, 2025 by beepster4096 • Draft
1 of 7 tasks
4
mbe: Rework the concat metavariable expression A-tidy Area: The tidy tool rla-silenced Silences rust-log-analyzer postings to the PR it's added on. 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#142975 opened Jun 24, 2025 by tgross35 • Draft
@petrochenkov
5
Stabilize if let guards (feature(if_let_guard)) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-meta Area: Issues & PRs about the rust-lang/rust repository itself A-rustc-dev-guide Area: rustc-dev-guide A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool 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, or significant enough to need a team 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-blocked Status: Blocked on something else such as an RFC or other implementation work. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-documentation Status: Waiting on approved PRs to documentation before merging S-waiting-on-t-lang Status: Awaiting decision from T-lang T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-clippy Relevant to the Clippy team. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. T-lang Relevant to the language team WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#141295 opened May 20, 2025 by Kivooeo Loading…
6 of 8 tasks
@est31 @fee1-dead
224
[rustdoc] Add new --book-location option to add a link to associated guide and generate it if local A-run-make Area: port run-make Makefiles to rmake.rs A-tidy Area: The tidy tool 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) T-rustdoc Relevant to the rustdoc 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.
#139769 opened Apr 13, 2025 by GuillaumeGomez Loading…
@camelid
41
Use mimalloc as the global allocator on x86_64-pc-windows-msvc A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool 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-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.
#138764 opened Mar 21, 2025 by Zoxc • Draft
@Mark-Simulacrum
18
use triomphe::Arc for InternedObligationCauseCode instead of Arc A-tidy Area: The tidy tool 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137135 opened Feb 16, 2025 by klensy Loading…
@Nadrieril
12
[DO NOT MERGE] -Znext-solver=globally experiments A-attributes Area: Attributes (`#[…]`, `#![…]`) A-compiletest Area: The compiletest test runner A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-run-make Area: port run-make Makefiles to rmake.rs A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool perf-regression Performance regression. PG-exploit-mitigations Project group: Exploit mitigations 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) T-clippy Relevant to the Clippy team. T-compiler Relevant to the compiler 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#133502 opened Nov 26, 2024 by lcnr • Draft
336
Implement consecutive type-relative paths A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool needs-fcp This change is insta-stable, or significant enough to need a team FCP to proceed. rla-silenced Silences rust-log-analyzer postings to the PR it's added on. 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-types Relevant to the types team, which will review and decide on the PR/issue.
#126651 opened Jun 19, 2024 by fmease • Draft
1 of 6 tasks
1
@compiler-errors @lcnr
22
Split elided_lifetime_in_paths into finer-grained lints A-tidy Area: The tidy tool A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic 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. L-elided_lifetimes_in_paths Lint: elided_lifetimes_in_paths 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-clippy Relevant to the Clippy team. T-lang Relevant to the language team
#120808 opened Feb 8, 2024 by shepmaster Loading…
@oli-obk
147
tidy watcher A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool O-unix Operating system: Unix-like 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-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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#114209 opened Jul 29, 2023 by klensy Loading…
@wesleywiser
56
[perf] test MCP510 A-compiletest Area: The compiletest test runner A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-rustdoc-json Area: Rustdoc JSON backend A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool 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) 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.
#113382 opened Jul 5, 2023 by lqd • Draft
475
[do not merge] CI experiments A-CI Area: Our Github Actions CI A-compiletest Area: The compiletest test runner A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-meta Area: Issues & PRs about the rust-lang/rust repository itself 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 A-tidy Area: The tidy tool A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic 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-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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#112049 opened May 28, 2023 by Kobzol • Draft
1871
[WIP] Add support for custom allocator for String A-tidy Area: The tidy tool S-blocked Status: Blocked on something else such as an RFC or other implementation work. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. T-release Relevant to the release subteam, which will review and decide on the PR/issue.
#101551 opened Sep 7, 2022 by zachs18 • Draft
5 of 10 tasks
@Mark-Simulacrum
61
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