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Draft release notes for 1.88.0
#141598 opened May 26, 2025 by Mark-Simulacrum
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Issues list

Tracking issue for release notes of #124141: Remove Nonterminal and TokenKind::Interpolated (part 2) A-attributes Area: Attributes (`#[…]`, `#![…]`) A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) relnotes Marks issues that should be documented in the release notes of the next release. relnotes-tracking-issue Marks issues tracking what text to put in release notes. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140488 opened Apr 29, 2025 by rustbot 1.88.0
1
Group dep nodes by chunks with sequential indices and only store the first index at the start of the chunk A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#140319 opened Apr 26, 2025 by Zoxc • Draft
@nnethercote
12
Try to integrate fork of Chili parallel rutime A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#140206 opened Apr 23, 2025 by zetanumbers • Draft
@fee1-dead
8
[perf] Decouple directly accessing a HIR owner from ast lowering A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#138705 opened Mar 19, 2025 by oli-obk • Draft
33
Test out a more lock-free hash map A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#138419 opened Mar 12, 2025 by Zoxc • Draft
@Nadrieril
12
Unnecessary references lint A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) needs-fcp This change is insta-stable, or significant enough to need a team FCP to proceed. O-windows Operating system: Windows 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, which will review and decide on the PR/issue.
#138230 opened Mar 8, 2025 by obeis Loading…
1
@Urgau
32
compiler: Stop manually extending the stack A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#134153 opened Dec 10, 2024 by workingjubilee • Draft
11
[DO NOT MERGE] bootstrap with -Znext-solver=globally 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-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
277
Add parallel front end robustness test to ui tests A-compiletest Area: The compiletest test runner A-parallel-compiler Area: parallel compiler A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-test-infra Area: test infrastructure (may span bootstrap/compiletest/more) 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#132051 opened Oct 23, 2024 by SparrowLii Loading…
@jieyouxu
43
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
Experimental: Add Derive Proc-Macro Caching A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#129102 opened Aug 14, 2024 by futile Loading…
3 tasks
@petrochenkov
100
unstable error message order A-diagnostics Area: Messages for errors, warnings, and lints A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) C-bug Category: This is a bug. D-diagnostic-infra Diagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#128532 opened Aug 2, 2024 by folkertdev
ICE: query 'hir_crate' not cached due to poisoning query 'hir_attrs' not cached due to poisoning A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#121882 opened Mar 2, 2024 by snyball
2
Move TLS to rustc_query_system A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#119966 opened Jan 14, 2024 by cjgillot • Draft
18
query cycles could be handled more like ICEs A-diagnostics Area: Messages for errors, warnings, and lints A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) metabug Issues about issues themselves ("bugs about bugs") T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#119321 opened Dec 26, 2023 by matthiaskrgr
5
Investigate feeding def_span in the resolver A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-help-wanted Call for participation: Help is requested to fix this issue. E-medium Call for participation: Medium difficulty. Experience needed to fix: Intermediate. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118552 opened Dec 2, 2023 by cjgillot
1
Create the previous dep graph index on a background thread A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#116375 opened Oct 3, 2023 by Zoxc • Draft
@cjgillot
32
Make create_def a side effect instead of marking the entire query as always red 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 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-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#115613 opened Sep 6, 2023 by oli-obk Loading…
3 tasks
@cjgillot
95
ICE: forcing query with already existing DepNode A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#114895 opened Aug 16, 2023 by Diggsey
1
[perf] test MCP510 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-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.
#113382 opened Jul 5, 2023 by lqd • Draft
342
ICE: "forcing query with already existing DepNode" with many async calls A-async-await Area: Async & Await A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-medium Medium priority S-needs-repro Status: This issue has no reproduction and needs a reproduction to make progress. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#112456 opened Jun 9, 2023 by GunnarMorrigan
1
ICE: type_op_normalize_ty: forcing query with already existing DepNode A-async-await Area: Async & Await A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#112054 opened May 29, 2023 by TimKotowski
[do not merge] CI experiments 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-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic 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. S-waiting-on-perf Status: Waiting on a perf run to be completed. 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
@Kobzol
1052
ICE: Unwrap none in rustc_query_system/src/query/plumbing.rs A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#110048 opened Apr 7, 2023 by Darksonn
2
Only use the new DepNode hashmap for anonymous nodes. A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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.
#109050 opened Mar 12, 2023 by cjgillot Loading…
5
52
ProTip! What’s not been updated in a month: updated:<2025-04-27.